PIANOTEQ 6 - User Manual

Pianoteq software family

Welcome

Congratulations on your purchase of Pianoteq.

Pianoteq is the starting point of a new generation of physically modelled virtual instruments, developed from mathematical research made at the Institute of Mathematics of Toulouse at INSA Toulouse, France.

Do not hesitate contacting us if you need any assistance on how to install and use the software. You are also welcome to provide feedback and suggestions - https://www.modartt.com/support

Table of Contents

1. Introduction

1.1. The fourth generation of pianos

The first generation of pianos, starting in 1698 with Cristofori’s pianoforte, came to maturity at the end of the XIX century with the acoustic grand concert piano. It was followed in the XX century by electro-acoustic pianos, and then by digital sampled pianos.

Pianoteq introduces the fourth generation of pianos, based on physical modelling. It offers extraordinary playability and unique physical parameters that model the behaviour of real acoustic pianos.

With Pianoteq, you can adapt the piano sound to your own taste. Unique parameters that model the behaviour of real pianos result in great realism, until now only to be experienced on real acoustic pianos.

Using 32-bit internal computation, the calculated piano sound is free from quantization noise. True dynamic timbre results, from the faintest pianissimo to the strongest fortissimo, for all 127 standard MIDI velocities (and even more with high resolution MIDI).

Everything that characterizes a real piano is there: the mechanical noises, the complex sound of pedals and strings in interaction, the percussive impact on staccato play (short notes), and of course, most importantly, the beauty of the piano sound.

The second generation brought innovative sounds (such as the Fender Rhodes, Wurlitzer, Yamaha CP 80, and others), whereas the third generation only reproduced recorded samples. Based on an effective physical model, Pianoteq allows you to adjust and stretch parameters, resulting in new sounds and performance styles. Pianoteq is both away to emulate existing pianos and an innovative tool for music creation.

Pianoteq is in fact the first virtual piano factory: it can produce new brands as well as copies of existing instruments, from historical instruments such as harpsichords and pianofortes to contemporary grand pianos or the more recent electro-acoustic pianos.

Other instruments of the idiophones family are regularly added to the Pianoteq collection. Visit our website www.modartt.com and discover our latest creations.

1.2. What makes Pianoteq outstanding

1.3. Pianoteq versions

Pianoteq is available in three versions:

All versions offer the same sound, instruments and playability but differ in the range of features and settings. The table below summarizes the main differences between the three versions.

PIANOTEQ STAGE PIANOTEQ STANDARD PIANOTEQ PRO
Included instrument packs1 2 3 4
Included KIViR historical instruments
VST, AU, AAX, NKS, Standalone
EQ, velocity curve, reverb unit
Preset (fxp) loading2
Piano model tweaking
Advanced tuning
Microphones setting
Loads external reverb impulses
Thousands of editable overtones
Note-per-note edit3
Supports up to 192 kHz audio4

[1] Concerns new purchases from 2019 onward. During registration, you can choose two instrument packs with the Stage version, three with the Standard version and four with the PRO version. These instrument packs are fully working whereas remaining instrument packs are available in demo mode for your evaluation. You can purchase additional instrument packs at any time.

[2] In PIANOTEQ Stage, preset loading is limited to parameters that are present in the interface. Presets built with PIANOTEQ PRO can be loaded in PIANOTEQ Standard without limitation.

[3] PIANOTEQ PRO lets you edit 30 parameters for each note on your keyboard. In PIANOTEQ Standard, you can explore this feature with the volume and the detune parameter.

[4] PIANOTEQ PRO offers an internal sample rate of up to 192 kHz. Up to 48 kHz in PIANOTEQ Stage and Standard.

This manual describes the general features that can be found in Pianoteq. Depending on your version, some of them may or may not be present.

1.4. Features in short

Pianoteq is equipped with many exciting features:

[5] If your piano supports a fine enough MIDI progression (up to 127 values) for the sustain pedal.

2. Installing and starting Pianoteq

Pianoteq works on computers equipped with Windows, macOS or Linux. You can use Pianoteq in standalone mode or as a plug-in instrument in a VST, VST3, Audio Units or AAX host. Pianoteq runs in 64-bit mode. We recommend visiting www.modartt.com where you will find the latest information, a detailed FAQ page and a tutorial on how to connect your hardware.

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2.1. Installation for Windows

Execute the installation program file pianoteq_setup.exe. Activation is required when launching Pianoteq for the first time. Just follow the on-screen instructions. ASIO drivers are necessary for obtaining a low latency. If using a soundcard that is not distributed with its own ASIO drivers, you can download ASIO drivers at www.asio4all.com.

2.1.1. Optimization

If you experience pops and cracks when playing, watch the audio load and CPU frequency in Options ► Perf:

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Red bars in the graphic indicate an overload. In that case, look at the displayed CPU frequency. If this frequency varies or stays below the normal frequency of your CPU, it comes from the Power Management setting of your computer which should be set to “High Performance”.

2.2. Installation for macOS

Click on the Pianoteq package and follow the instructions. Activation is required when launching Pianoteq for the first time. Just follow the on-screen instructions.

2.3. Installation of new instrument pack

To install a new instrument pack that you purchased, make sure you have the latest update installed. Log in to the user area on our website to download. After updating to the latest Pianoteq version, update your licence as follows: click on Options, then on About, then on Update licence. There, leave the serial number as it is and click on Quick Activation. If your computer has no internet connection, you need to click on the Manual Activation button and follow the instructions given.

2.4. Using Pianoteq standalone

Using Pianoteq standalone is very simple. Launch Pianoteq and specify your audio and MIDI Devices settings in the dialogue box: you are ready to play.

2.5. Using the VST/VST3/AU/AAX plug-in

Pianoteq can be loaded by any VST, VST3, Audio Units or AAX host. You will need to specify, inside the host, your MIDI device and the driver you are using.

Warning
Most hosts save your modifications and reload them when you restart. If you hear some strange sounds, make sure that all parameters are at their default values. Check, for example, that the velocity and equalizer curves are correctly defined.

2.6. Hardware requirements

Pianoteq can be used with any MIDI compatible keyboard. We recommend a touch sensitive keyboard, such as one with full weighted keys simulating the hammer response of a real piano. See tutorial section 13.4 for adapting Pianoteq to your keyboard in the best way. For partial pedalling, a progressive sustain pedal is required.

The requirements for using Pianoteq successfully are:

2.7. Adapt Pianoteq to your hardware

When you click on the Options button, a window containing the following sections appears:

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The Devices section (in standalone mode only) lets you select your keyboard, audio device and related driver (Audio device type), output channels, sample rate and audio buffer size.

In the MIDI section you can:

Pianoteq computes all notes dynamically (that is, in real time). Thus a modern CPU is required. Bass notes contain more overtones and thus require more computations. The Perf section allows you to select from among the following features:

2.8. Quickly loading fxp, ptq and MIDI files

You can load fxp and ptq files (and MIDI files with the standalone version) quickly by dragging each file at a time, from the file manager, email client or web browser, onto the Pianoteq interface.

2.9. MIDI file player (standalone version)

The Pianoteq standalone version is equipped with a MIDI player that lets you play and record MIDI files. You can load several MIDI files via File ► Load MIDI file and even create your own MIDI Playlist via File ► Manage MIDI Playlist.

2.9.1. Playback speed

You can adjust the playback speed by clicking on x1 (“times 1”). A menu will appear where you can choose another value or enter any value between 0.1 and 10. Alternatively, click on x1 and drag the mouse to get the value you want.

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2.9.2. Record and Save your performance

Click on the record button to start recording your performance live. Save your MIDI file by opening the File menu. There you can also export your recording to a WAV, FLAC or MP3 audio file.

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2.9.3. Brilliant performance lost?

At any time, you can retrieve your recent performances via File ► Recently played on the keyboard. Particularly useful when after a brilliant performance you think “too bad I didn’t record this”! Well, Pianoteq did it for you: just load the latest Recently played on the keyboard and save/export it to a regular MIDI/AUDIO file. It’s as simple as that!

For less recent performances, a MIDI Archiver is available, access to its settings at the bottom of the Recently played on the keyboard menu.

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2.9.4. Step by step in your MIDI file

In the standalone version, for exploring your MIDI file step by step, forwards or backwards, use the computer keyboard right or left arrows to play single notes or chords.

2.10. Interface magnification

The Pianoteq interface is resizable, making it comfortable to work with any display size. Click on Options ► General and select the size in the Interface magnification menu, or simply use the handy keyboard shortcuts +/-:

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3. Overview, instruments

We come now to a brief overview of Pianoteq. Its interface is divided into two sections:

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The three Instrument section panels

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The Audio Engineering section

Adjusting any of the parameters is easy. But you can also simply choose your instrument from the instrument menu on the top left.

3.1. Instruments

Pianoteq instruments are based on physical modelling ― which simulates the way the sound is generated and how it propagates in space ― coupled to a mathematical analysis of original instruments.

The optional instruments are included in demo mode in Pianoteq for your evaluation. You can download additional free instruments from the user area at www.modartt.com.

3.1.1. Acoustic pianos and predecessors

3.1.1.1. Steinway Model D grand piano

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Authorized by Steinway & Sons, the Steinway Model D grand piano is a virtual copy of a Steinway D from Hamburg, famous for its exquisite musical expression and being featured in numerous prominent recording studios and concert halls worldwide. Each note has been carefully adjusted in its finest detail, just like in a real factory. The result is a stunningly vivid instrument created with the most demanding musician in mind.


3.1.1.2. Steinway Model B grand piano

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Authorized by Steinway & Sons, the Steinway Model B grand piano was carefully designed to reproduce the finest sound characteristics of a Steinway B instrument which was selected by Modartt for this project. This model is based on the Martha Argerich edition, and is one of the twenty-five Steinway & Sons Model B-211 grand pianos that the prestigious pianist carefully chose in 2014 for their musicality. She signed each.


3.1.1.3. C. Bechstein Digital grand piano

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In cooperation with Bechstein, Modartt has developed an accurate physical model of a C. Bechstein 282 grand piano, the Bechstein company flagship. Its sound was captured by the acclaimed Teldex Recording studio in Berlin. The Pianoteq version reproduces the outstandingly brilliant and powerful sound of the C. Bechstein D 282 with its singing, richly coloured voice, suitable for many different music genres.


3.1.1.4. Ant. Petrof 275 grand piano

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In cooperation with Petrof, Modartt has developed an accurate physical model of a Ant. Petrof 275 grand piano, the Petrof company flagship. It maintains the colourful, romantic and rounded tone which the Petrof instruments are praised for, thanks to first class materials. This physically modelled piano captures the characteristic Petrof sound with a range of presets offering a beautiful palette of timbres suitable for all kinds of music.


3.1.1.5. Steingraeber E-272 grand piano

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In cooperation with Steingraeber, Modartt has developed an accurate physical model of a Steingraeber E-272 grand piano. Steingraeber has reduced the surface of the treble soundboard; hence strings have 27% less wood weight to set in motion, and even when softer intonation is called for, the player is rewarded with an immediate, singing resonance. For more delicate playing, Steingraeber E-272 is also equipped with the Sordino (Celeste pedal) and the Mozart Rail (Mozart Rail pedal).


3.1.1.6. Grotrian Concert Royal grand piano

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In cooperation with Grotrian, Modartt has developed an accurate physical model of a Grotrian Concert Royal grand piano, rightly considered to be one of the best grand pianos in the world. In order to reproduce the characteristic clarity and warmth of the original instrument, every detail of the Pianoteq model ahs been fine-tuned, resulting in an authentic and joyful instrument. Timbre and complex resonances are breathtaking.


3.1.1.7. Blüthner Model 1 grand piano

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In cooperation with Blüthner, Modartt has developed an accurate physical model of Blüthner Model 1 grand piano for Pianoteq. A unique feature in Blüthner’s grand pianos is the fourth string for each key in the treble, called the Aliquot system. Its purpose is to create a sympathetic vibrating string that enhances the tone. This feature is included in the Pianoteq Blüthner model.


3.1.1.8. K2 grand piano

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The grand piano K2, which was created for Pianoteq 5, has evolved by combining the best elements of several models. Its 211 cm (6' 11") cabinet offers the magnificent sound that comes from a perfect balance between warmth and brilliance.


3.1.1.9. YC5 Rock grand piano

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The YC5 Rock piano adds a lot of bite to your pop/rock recording, and fits beautifully in a mix with drums and electric instruments. Its characteristic bright timbre is also adapted for expressive playing and suitable for jazz recording sessions. YC5 is modelled from a well known Japanese grand piano, frequently seen on stages and widely appreciated by touring artists for its musical qualities and reliability. It is also a popular instrument at conservatories and other music schools.


3.1.1.10. U4 upright piano

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The U4 upright piano offers 21 exciting presets emphasizing the characteristics of upright pianos. Besides the beautiful timbre of well-built acoustic pianos, there is higher inharmonicity and increased imperfections in presets such as Blues, Honky Tonk, Vintage, Detuned, Ruined, Bierkeller, Tacky, Wavy, Weathered, Club...


3.1.1.11. Karsten Collection

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Peter Karsten is an instrument collector from Braunschweig, Germany. This collection includes virtual copies of: J. Salodiensis virginal (1600), G. Giusti harpsichord (1680), Ph. Schmidt square piano (1780), J. Weimes pianoforte (1808), NY Steinway square piano (1858). The virtual copy of the NY Steinway square piano was evaluated and authorized by Steinway & Sons in New York. Peter Karsten himself participated in many steps of the development of all the instruments ― from the initial recordings for the audio analysis until the final stages of the beta tests ― together with a dedicated team of experienced musicians, ensuring the authenticity of the instruments.


3.1.1.12. Kremsegg Collection

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This collection of beautiful historical pianos, ranging from the 18th Century to the late 19th Century, has been created in collaboration with Kremsegg Schloss Museum (Austria). It includes virtual copies of pianofortes J. Dohnal (1795), J. Broadwood (1796), and grand pianos I. Besendorfer (1829), I. Pleyel (1835), J. Frenzel (1841), S. Erard (1849), J.B. Streicher (1852), C. Bechstein (1899). Incomparable for rendering the music of the Classical period, these instruments can also be used for more recent compositions. The late-19th Century pianos, particularly, with a design approaching that of a modern piano, illuminate jazz and other modern music.


3.1.1.13. Hans Ruckers harpsichord

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The physical model is based on a copy by Matthias Griewisch of a Hans Ruckers II le Jeune harpsichord (1624). This virtual instrument offers an extension of the original instrument, from 4½ to 6½ octaves, and is equipped with three registers — lower 8', upper 8', and 4', which can be combined in ways not even possible in the real world (see the L8', U8' and 4' buttons above the interface keyboard). A local MIDI mapping allows you to change the registration directly via the 3 lower notes of your keyboard. Besides sustain and soft pedals, this harpsichord is equipped with a Buff stop pedal and a Rattle pedal (cf. Section 11.1).


3.1.2. KIViR collection

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This collection is the result of the Keyboard Instrument Virtual Restoration project. It can be downloaded from our website at www.modartt.com. It includes the free instruments clavichord, cimbalom, harpsichords, pianofortes and acoustic and electro-acoustic pianos. Some of them are presented in their current state. Their age has caused imperfections, such as some voicing irregularities, which we have kept intact. We regularly enrich this collection with new instruments.


3.1.3. Keyboard range

3.1.3.1. Keyboard range extension

The grand pianos Steinway Model D and K2 benefit from an unprecedented keyboard range extension from 88 to 105 notes (8⅔ octaves):

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3.1.3.2. Original/extended range

Most historical instruments included in the KIViR collection have a reduced range. For some of them, it was possible to extend this range slightly. The extended range has been set to the default range. If for some reason you want to use the original range (as for example using the original sympathetic resonances range), just click on the minus sign to the left of the virtual keyboard. Clicking on the plus sign will allow you later to come back to the extended range.

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3.1.4. Harp

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The Harp pack includes a concert harp physically modelled after a Salvi concert grand harp, and a celtic harp equipped with nylon strings. Both include the ability to play pinch harmonics (flageolets) and glissandos. A diatonic mode offers a closer experience to the reality of the instrument where seven pedals allow to change the pitch of the strings and play in all keys.


3.1.4.1. Chromatic versus diatonic mode

By default, the keyboard is set to chromatic mode (except for the diatonic harp preset):

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If you click on the little D to the left of the keyboard, you enter the diatonic mode where only white keys produce a sound. As in a real concert harp, the key signature is specified by seven pedals, from left to right D, C, B, E, F, G, A, each pedal being controlled by a group of three black keys:

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For example, clicking on left black key below E will produce an E♭ alteration whereas clicking on the right black key will produce an E# alteration.

Clicking on the little C to the left of the keyboard brings you back to chromatic mode.

Warning
if you play a MIDI file in diatonic mode, each black key encountered in the MIDI file will produce the relative change of the key signature... you might be surprised!

3.1.5. Electric pianos

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The Electric pianos pack offers three amazing electro-acoustic pianos from the seventies. Each Electric Piano (Vintage Tines MKI, Vintage Tines MKII and Vintage Reeds W1) is provided with several variants. Using the rich interface features, you can customize them to your own taste.


3.1.6. Hohner Collection

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The Hohner6 Collection, authorized by Hohner, includes four famous instruments manufactured from the early sixties until the early eighties: Electra-piano, Pianet N, Pianet T and Clavinet D6. The virtual copies for Pianoteq benefit from its physical modelling: addition of a sustain pedal, range extended to seven octaves and possibility to adjust physical properties.


[6] Hohner is a registered trademark of Matth. Hohner GmbH

3.1.7. Vibraphones

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The Vibes pack offers two beautiful vibraphones. V-M is a virtual copy of a Musser vibraphone that belongs to the famous French vibraphonist Dany Doriz. V-B is a virtual copy of a Bergerault vibraphone that belongs to the Condorcet studio in Toulouse (France). The bars are made of metal.


3.1.8. Xylophone and Marimba

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The Xylo pack includes a xylophone and a marimba. The xylophone virtual copy is modelled after a modern 3½-octave French brand and the marimba virtual copy is modelled after a modern five-octave French brand. In contrast with the vibraphone, the bars are made of wood instead of metal.


3.1.9. Toy piano, Celesta and Glockenspiel

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The Celeste pack includes a toy piano, a celesta and a glockenspiel. The sound of the toy piano is produced by small hammers striking metal rods. The virtual toy piano is modelled after a two octaves Michelsonne instrument and is extened to 4 octaves. The celesta resembles an acoustic upright piano but houses metal plates struck by felt hammers resembling piano hammers. The virtual celesta is modelled after a modern five-octave German brand. The glockenspiel also has metal plates but they are struck by hard metal mallets held by the musician. The virtual glockenspiel, modelled after a modern French brand, has been extended to cover four octaves.


3.1.10. Steelpans

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The Pianoteq physical model has been enriched to produce the characteristic timbre of steelpans, with their "blooming" overtones that are due to the mechanical properties of thin steel sheets. Steel drums were originally built from empty oil barrels as the popular drums were forbidden by the Trinidad government.

The Steelpans pack includes 4 instruments: Steel Drum, Spacedrum, Hand Pan and Tank Drum. Each instrument is provided with one preset faithful to the original instrument modelled and several variants.

The Steel Drum instrument is a combination of the known types, the "double second", the "tenor", the "double guitar", the "triple cello", and covers 4 octaves.

The Spacedrum is a recent variant of the Hand Pan. Both instruments offer presets for hand playing and mallet playing, and are extended to 4 octaves. The blooming effect is a bit less pronounced than in the Steel Drum.

The Tank drum is made of thicker metal from a gas tank. Several tongues are cut into the bottom of the tank for producing the notes. Due to its shape and thickness, there is almost no blooming effect. The instrument is extended to 3½ octaves.


3.1.11. Other instruments

Other instruments such as church bells and tubular bells, are available for download on our website at www.modartt.com. Subscribe to our newsletter for the latest information.

3.2. Managing instruments and presets

You can load and save instruments from the instruments menu:

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This menu lets you choose from a list of built-in instruments and presets, extra instruments (files with extension .ptq) or presets (extension .fxp) that you have saved in your Pianoteq folders. More details are provided in section 3.4.2.

3.2.1. Difference between "instrument" and "preset"

The physical model contains a great number of parameters, but only a small proportion of them are available through the user interface. When only the user interface parameters are changed, then we say that it is still the same instrument but a different preset. Hence presets are understood as variations of a given instrument.

For example, Steinway Model D Prelude and Steinway Model D Classical are the same instrument, as the difference lies in the microphone position which can be defined by the user himself. On the contrary, Steinway Model D Prelude and K2 Prelude are two different instruments because it is impossible to obtain one of them by modifying the user interface parameters of the other.

3.2.2. Instrument modifications

You can change any parameter of the current instrument or preset by moving the corresponding slider with the mouse. Moving the mouse cursor perpendicularly to the slider will make the slider move slowly.

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Each time you modify parameters in Pianoteq, a few computations are needed to update the instrument (physical model).

Once you are done, the edit and save buttons to the right of the instruments menu allow you to edit and save your new preset.

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Also have fun trying the Random button, which changes all settings randomly!

3.3. Hints

3.3.1. Creating your own instrument

Generally speaking, you will find it more interesting to make adjustments, large and small, in several parameters instead of making a single large adjustment. Moving a single slider to the left may throw the weight of the sound onto other parameters that you may want to adjust. Moving a slider to the far right may obscure the contribution other parameters make to the sound, or make their small contribution seem too strong. Moreover, the parameters that interact may be in separate panels, since each panel has controls that modify the way in which a single physical component of a piano contributes to the sound, instead of controlling the sound in general. This manual often touches on these adjustments. Further experimentation will let you experience the ways in which the parameters interact. Make a small adjustment in one parameter and a large one in another. Make large and small adjustments everywhere. You can create almost any sound that a piano can create, and more.

3.3.2. Brilliance

Brilliance is an important sound quality for achieving good realism. You may want to adjust it whether you are staying close to the loudspeakers, or listening at low volume levels, or using headphones. You can for example change the hammer hardness from the Voicing panel, or use the EQ from the lower panel.

The keyboard velocity itself plays a crucial role in the sense of brilliance. Visit the Pianoteq user forum www.forum-pianoteq.com where users provide velocity curves for many types of keyboards. See also the tutorial in section 13.4.

3.3.3. Using reverberation

Listening through loudspeakers usually requires significantly less reverberation than through headphones. The reason is simple: when using loudspeakers, the sound is naturally reverberated by the room in which they sit. We thus recommend that you reduce the reverberation mix when using loudspeakers.

Moreover, it is worth mentioning that bypassing reverberation in Pianoteq does not have the same effect as bypassing reverberation in a sample-based instrument. In the latter case, unless recording was made in an anechoic chamber, there is a natural reverberation present in the recorded samples which may not be perceived as reverberation because the note release cuts the reverb tail itself, whereas in Pianoteq, there is no reverberation whatsoever when you switch it off. In that case, the sound loses an important part of its natural quality and may sound strange or synthetic, particularly with headphones, because in the real world we never hear sounds without some reverberation. Hence, we recommend bypassing reverberation only when using an external — or natural — reverberation.

3.4. General commands

3.4.1. Playing with the parameters

In Pianoteq you can modify and create your own presets, save them and share them with other users. The following commands are located at the top of the interface.

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3.4.2. Managing and sorting presets

When you click on the edit button, the following presets manager appears:

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It lets you manage the instruments and presets from the instruments menu. You can edit the presets information, sort or filter them (see some part of them), rename them, etc.

3.4.2.1. Edit

Information on each preset is displayed at the bottom of the presets manager, as well as a small demo excerpt (mini-player to the left of the edit button). There you can edit the information related to your own presets, and record yourself your own demo excerpt (left and right clicks on the mini-player).

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3.4.2.2. Sorting

The way presets are sorted can be chosen by clicking in the appropriate column: Preset name, Instrument or Bank.

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A bank is a set of presets that are located in a given folder, except the factory bank which contains all built-in instruments and extra instruments provided as ptq files and located in the Addons folder.

3.4.2.3. Filtering

You can select the instruments and presets that are visible in the instruments menu through three different filters located on the right side of managing window: search, All instruments, All banks. You can also click on individual instruments or banks.

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3.4.2.4. Renaming presets

A double click on a user preset name allows you to rename it. You can also open the contextual menu by clicking on the small arrows in the MIDI column.

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3.4.2.5. The Pianoteq folders

The easiest way to find the Pianoteq folders is to click on the little folder images to the right of All instruments and All banks. The Pianoteq folder contains two sub-folders:

3.4.2.6. Importing fxp files

There are two ways of importing fxp files:

3.4.2.7. Saving presets

After you have created your new preset, you can save it by simply clicking on the save button; a popup window will ask you for a preset name and a bank name (default bank is My Presets). Each time you click again on the save button, you will save the new values with the same preset name. You can access backup copies with a right click on the preset name (if there are some).

3.4.3. Assigning a parameter to a MIDI controller

You can assign Pianoteq parameters to MIDI controllers such as those that may be on your keyboard. Select the parameter slider that you want to assign (right click on the slider and click on MIDI ► Assign MIDI Control) and move the knob of the MIDI controller that you have chosen for this parameter. Pianoteq will automatically assign the parameter to the controller. More sophisticated possibilities are provided in the Options/MIDI section.

Any MIDI control may be assigned except the following ones: MIDI controls 6, 38, 96-101 which are used for RPN and NRPN MIDI parameters; controls 120 to 127 are reserved for various reset operations ("all notes off" etc.); controls 32 to 63 are reserved for 14-bit precision controllers.

3.4.4. Instrument controls

The following table summarizes Pianoteq main controls that are associated with instrument features and will be discussed in the next sections.

Feature Controls Action
Pitch Diapason Changes A (above middle C) frequency
Tuning Temperament Chooses among standard temperaments
" Unison width Frequency variation within each unison (group of three strings)
" Octave stretching Stretches octaves
Sound length Direct sound duration Modifies the direct sound duration
" Soundboard mechanical impedance Modifies the global sound duration: raising impedance yields longer sounds
Timbre Spectrum profile Modifies individual intensity of the first eight overtones
" Hammer noise Modifies the hammer noise level
" Strike point Changes the overtones level
" Soundboard cut-off frequency Raising cut-off frequency enriches high frequencies of each tone
" Soundboard Q factor Raising Q factor shortens high frequencies duration
" String length Controls sound “acidity” (inharmonicity)
Brilliance Hammer hardness Enriches the high frequencies: the harder the hammer, the brighter the sound
Resonance Sympathetic resonance Controls the amount of sympathetic resonances (strings, soundboard, cabinet)
" Duplex scale resonance Controls the amount of Duplex scale resonances (undamped string parts)
Warning
when adjusting the parameters to extreme values, one may create instruments having unusual or even unrealistic properties. Hence one can create sounds that do not correspond to known instruments.

Finally, the Condition slider lets you modify the state of the instrument, from freshly-tuned to completely worn-out. Right-clicking on this slider and changing the Random seed parameter allows you to enjoy thousands of broken instrument variations.

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4. Tuning panel

Pianoteq allows you to perform all of the tuning operations usually made by a piano tuner. The Tuning panel contains the following controls:

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4.1. Diapason

The standard diapason (A above middle C) frequency7 is 440 Hz, but you can change it to other values by clicking in the Diapason menu.

[7] Frequency is the number of oscillations per second.

4.2. Temperament

The temperament defines the way the scale is tuned. By clicking in the Temperament menu, you can choose from among the following temperaments (see appendix):

The Detune entry in both Diapason and Temperament menus gives you access to the Note Edit - Detune panel where you can detune your instrument note per note.

A unique feature of Pianoteq is that tuning does not follow a pre-computed frequency table (except for the flat temperament), but takes into account the inharmonicity of the strings, in the same way a piano tuner does with acoustic pianos. Hence, the consonance of the notes is improved and the chords have a fuller and richer sound.

For other temperaments, you can enter the Advanced Tuning panel by clicking on the mu button mu.png. There you can import your own scala8 files and keyboard mappings via the Temperament and Keyboard Mapping menus.

advanced_tuning.png

When retuning an instrument, you can choose among two options: String tension or Full rebuild. Changing the string tension affects the timbre of the instrument because inharmonicty increases when tension decreases, whereas full rebuild recalibrates all strings in order to provide the same timbre for a given pitch.

[8] For more information, see www.huygens-fokker.org

4.3. Unison tuning

As very few people know, the three strings of each piano unison (the strings hit by each hammer) are not tuned at exactly the same frequency. To change the timbre or colour of the sound, a skilled piano tuner introduces small tuning differences between these three strings.

Experiment yourself by gently changing

unison_balance.png

4.4. Octave stretching

It is quite usual to stretch octaves9 in a piano, but how much should they be stretched? Well… this might be a matter of taste! Adjust it to your own taste by modifying the octave stretching parameter. The main effect will be observed in the treble notes.

When the octave stretching parameter is set to 1, the stretching follows the natural inharmonicity of the strings (depending on the string length), so there still is a slight stretching. If you want no stretching at all, then use the flat temperament.

in the Advanced Tuning panel Stretch menu, you can transfer the stretching (the amount of detuning) induced by inharmonicity to the Detune parameter, which allows you to observe directly that detuning in the Note Edit - Detune panel.

[9] The musical interval between the two closest notes with the same name (e.g. A3 and A4) is called an octave. The theoretical frequency ratio between two such notes is 2, but in practice it is slightly stretched because of the inharmonicity of the strings and the property of the human ear (cf. also Design Panel).

4.5. Direct sound duration

One consequence of modifying unison frequencies is that you change the direct sound duration. The same thing happens when reshaping hammers. If you prefer, you can act directly on this duration by changing the direct sound duration.

direct_sound_duration.png

Time representation of a piano sound decay, natural scale (left) and log scale (right). Fast decay at the beginning (direct sound), slow decay after (remanent sound).

5. Voicing panel (acoustic)

The strings of a piano are struck by the hammers, small wooden pieces covered with hard felt. For a piano tuner, voicing consists in “shaping” the sound according to the pianist’s taste. This is made by working on the hammer felt, giving it the desired shape, hardness and elasticity.

Pianoteq allows you to perform this same voicing operation. The voicing panel offers you the following controls:

voicing_panel.png

5.1. Hammer hardness

Here you can choose the hammer hardness at three different velocities:

The harder the felt, the more brilliant the sound becomes. Of course, the louder you play, the harder the felt should be, unless you wish to try some original playing effects!

5.2. Spectrum profile

Here you will find small sliders that allow you to adjust the individual intensity of the first eight overtones (cf. section 8.2). Experiment with it by increasing the weights of all fundamentals (the first overtone is called the fundamental) by raising the first bar. Depending on the piano brand, the seventh, eighth or ninth overtone is usually weaker than the other overtones: the strength of the overtones is related to the hammer strike point defined by the piano manufacturer.

spectrum_profile.png

Time, frequency and time-frequency representation of a note, before and after voicing. Here, among other things, the first overtone intensity has been increased.

5.3. Hammer noise

You can adjust the hammer noise, that is, the weight of the hammer percussion sound. With a loud hammer noise, you will feel as though you are standing close to the piano.

5.4. Strike point

The strike point slider allows you to choose the position where the string — or the bar for percussion instruments — is struck by the hammer or the mallet.

A special humanization feature allows the strike point to vary as if it was played by a human musician. This feature is particularly suitable for the chromatic percussion instruments. Right click on the strike point slider and select humanize. You can adjust the range of the random variation on both sides of the mean strike point.

humanize.png

5.5. Soft pedal

Here you can control the smoothing degree of the una corda pedal, also called the soft pedal. Despite its name, the una corda pedal usually lets the hammer strike the three strings, but with a softer part of the hammer felt.

6. Voicing panel (electro-acoustic)

The tone sources (reed, tine, bar) of an electro-acoustic piano are struck by hammers or mallets whose hardness can vary, depending on the material that is used. Here again, as for acoustic pianos, Pianoteq provides a voicing panel that offers the following parameters:

voicing_elec_panel.png

Hammer hardness, spectrum profile and hammer noise work in the same way as with acoustic instruments.

6.1. Pickup symmetry

In an electro-acoustic piano, the pickup is not exactly in front of the tone source at rest. When it is exactly in front, due to the symmetry of the device, the note jumps one octave higher than the normal tone. Moving the Pickup symmetry slider from left to right makes the pickup move from an unsymmetrical position to a symmetric position, providing thus a wide range of timbres.

rhodyr.png

6.2. Pickup distance

The pickup distance slider sets the distance between the tone source and the pickup. When the pickup is moved closer to the tone source, the sound becomes more distorted and the timbre variation between soft and loud sounds increases.

7. Voicing panel (clavinet)

The clavinet works much like a clavichord. When a key is depressed, a small rubber tip strikes the string and presses it on to an anvil. It contains two sets of pickups, positioned above and below the strings, and is usually electronically amplified.

voicing_clavi_panel.png

The voicing panel of the clavinet lets you choose among the four standard pickups settings:

Even more, it lets you make any continuous change between these four settings by right-clicking on the two CD/AB buttons.

The original register switches for tone colours Brilliant (shortened to "Bright"), Treble, Medium, Soft are also available.

Hammer hardness, spectrum profile and hammer noise work in the same way as they do with acoustic instruments.

8. Design panel (acoustic)

This panel offers controls over piano design parameters such as string length or soundboard characteristics (the soundboard is the wooden plate which transmits the string vibrations to the air.)

design_panel.png

8.1. Soundboard

On a real piano, you cannot change the soundboard mechanical impedance10. With Pianoteq, it becomes very easy: it is just one of the design parameters. You can control:

[10] That is, how the soundboard resists the string vibrations, and thus amplifies the sound.

8.2. String length

Each piano note produces a complex sound, mainly composed of overtones with approximate frequencies f, 2f, 3f… where f denotes the fundamental frequency.

A parameter which greatly affects the timbre (and the tuning) is the so-called inharmonicity: the more inharmonic the strings, the more the overtone frequencies of each string are driven away from their theoretical values f, 2f, 3f… and the more the piano sound will resemble a bell.

Inharmonicity decreases very rapidly with string length. Experiment by changing the String length. The difference will be most evident in the bass range. You can choose up to a 10 meter long piano! At such a size, there is almost no inharmonicity. People say that piano manufacturers dreamed of producing pianos without inharmonicity…

8.3. Sympathetic resonance

The Sympathetic resonance parameter controls the weight of the strings’ sympathetic resonances. It is used, for example, in the famous piece Mikrokosmos by Béla Bartók. The sympathetic resonances depend on the position of each individual damper, and consequently on the position of the sustain pedal: it is longer when the sustain pedal is down, for dampers do not then touch the strings.

Experiment by pressing down a few keys very slowly so that they do not produce any sound, and then, without pressing down the sustain pedal, play a few notes staccato. You will hear the resonance introduced into the first depressed notes. If you release these notes, the sound will stop.

You can also do the “opposite” experiment. Play a note loudly and hold it, press silently another note, and release the first note: it continues resonating in the second note.

8.4. Duplex scale

The Duplex scale parameter controls the weight of the duplex scale resonance, issued from the undamped string parts located between tuning pins and frame (front scale) and between bridge and frame (rear scale). This invention was patented by Steinway (who consulted with the physicist Hermann von Helmholtz) in 1872 and enriches the harmonic content of the notes.

8.5. Blooming

The Blooming parameters, first designed for steel drums, can also be used for the other instruments, allowing to create new sounds. The “blooming” effect that characterizes the timbre of the steel drums arises from the non linearity of the mechanical response of thin steel sheets. During the attack, some energy is transferred from lower to the higher overtones, producing a “boiinng” sound. Two parameters control this effect:

blooming.png

9. Design panel (electro-acoustic)

The tines that serve as resonator in certain electro-acoustic pianos produce a typical noise when hit by the hammer during the attack, or by the damper during the release. In the Pianoteq Electric Pianos Vintage Tines MKI and Vintage Tines MKII, these two noises can be controlled separately by the Tine noise hammer and the Tine noise damper parameters.

design_elec_panel.png

Impedance and sympathetic resonance work in the same way as with acoustic instruments.

Here again, the Blooming parameters, first designed for steel drums, can be used for the electro-acoustic instruments, allowing to create new sounds. See in particular the MKI Blooming Grit preset.

blooming.png

10. Velocity panel

On the left side of the Audio Engineering section, you can find a velocity control curve, allowing you to adjust Pianoteq to your keyboard. You can add or remove control points (double click to remove) and modify the curve by moving them with the mouse. The upper menu lets you separately adjust Velocity, Note-off, Pedal and Aftertouch velocities.

A right click on the velocity graphic opens a menu where you can select and manage velocity presets.

velocity_panel.png

The calibration button opens the Keyboard calibration assistant which will help you adjust Pianoteq to your keyboard and pedal and to your own playing style. We strongly recommend that you follow that procedure at least once. See also tutorial 13.4.

The reset button resets the displayed velocity curve to the default curve.

If your digital keyboard is not equipped with Aftertouch, you still can test Pianoteq's Aftertouch by clicking with the mouse on its graphical keyboard and dragging the cursor vertically above the keys.

11. Output panel

output.png

In the middle of the Audio Engineering section you will find:

11.1. Pedals

pedals.png

The ten pedals that can be used are the following:

sostenuto_ignore_sustain.png

buff_stop_pedal.png

[11] If your piano supports a fine enough MIDI progression when using the sustain pedal.

11.2. A sound radiation physical model

The Pianoteq instruments are based on a physical model of the soundboard and its radiation. It simulates the sound field generated by the instrument, and thus allows you to place microphones anywhere around the piano, or just above the soundboard, or even below the piano if you want. The acoustic pressure and pressure gradient are measured where you place the microphone, which allows to simulate omnidirectional microphones as well as directional microphones.

micros75.png

A head model is also provided: here, an additional treatment is applied to the sound pressure registered by the ears of the listener. It can provide an increased realism when listening with headphones.

11.3. Sound recording mode

Once you have selected the recording mode, the microphone window opens (you can detach the microphone window by hovering the mouse cursor above the microphone area and dragging it with the mouse). You can then drag a microphone to any location around the instrument and choose its direction.

11.3.1. Microphones and microphones techniques

Several types of virtual microphones are available, such as omnidirectional, cardioid and figure 8, to choose from a range of well-known microphone brands: U87 (omni, cardio and fig8), DPA-4006-4007-4011-4041, C414 (omni, cardio and fig8), CMC6-MK2-MK4, SF-12-24, R84, as well as two "perfect" microphones (they capture the acoustic field generated by the model without any distortion): perfect-omni and perfect-fig8.

mic_photos.png

When Proximity effect compensation is checked, an automatic compensation algorithm is involved which avoids the increase in bass response when the microphone is close to the soundboard.

mic_list.png

To make it easier moving several microphones, you can link them together, either by the Link to command from the microphones menu, or by double-clicking in between the microphones you want to link. Then you can move them, rotate them and adjust their distance to each other.

micros_link.png

By right-clicking in the mic area, you can save your mic settings as a Mic. Preset and load those you have created.

Here are a few classic microphones techniques.

mic_config.png

11.3.2. Mix table

The mix table allows you to mix the microphones into the different output channels. For each active microphone and each active channel, you can adjust the volume, the delay and the polarity that you want to be applied by clicking in the corresponding cell (right click opens the popup). Polarity is reversed when Reversed polarity = 1. Which channels are active depend on your audio configuration.

mix_table.png

11.3.3. Compensation

When switched on, Level compensation and Delay compensation compensate respectively for the level and delay on each line connecting a microphone to a channel. When switched off, the raw sound from the microphones is heard: the volume decreases with the distance from the piano while the delay increases. In both cases, level and delay that you adjust in the mix table are relative to the chosen configuration.

compensation.png

11.3.4. Stereo width and sound speed

Two other parameters can be adjusted in the sound recording mode:

stereo_width.png

11.3.5. Lid position

The lid can be raised or lowered. Hover the mouse over the top edge of the lid and drag the lid to raise or lower it. This feature appears in the same panel as the microphone position because it is part of the acoustic radiation model and thus directly influences the sound waves captured by the microphones.

lid.png

11.3.6. Binaural mode

If you have selected the binaural mode, you can choose the position of the listener around the piano. The binaural mode involves physical modelling of a dummy head. You can rotate the head in any direction, and you can even increase its size (for big headed people only).

panel_head.png

11.3.7. About the microphones position

As is well-known among sound engineers, the microphone position has a dramatic effect on the resulting sound of the piano: for some positions, the sound is nicely balanced from low to high frequencies while other positions lead to a strongly coloured sound. There might be places where some frequencies are almost completely missing (wave nodes), and even the best position is far from rendering a purely flat response: recording always brings some additional colour, which makes sound recording a real art.

The next graphic gives an idea of how “flatness” can vary with the position: the lower a point of the surface, the flatter the response becomes.

flatness.png

12. From action to effects

The lower right panel gives access to the Action, Mallet Bounce, Equalizer and Effects settings. The buttons below it provide a shortcut for enabling/disabling the selected effects and the reverb.

action2effects.png

12.1. Action

Here you can adjust several parts of the piano action:

action.png

12.2. Mallet bounce

This feature is particularly interesting for the chromatic percussion instruments, including the cimbalom.

malletbounce.png

You can adjust the way the mallet bounces on the bar (or on the cimbalom strings):

12.3. Equalizer

In its default state (Main is selected), contrarily to the Equ3 effect (cf. Section 12.4), this equalizer works in pre-processing (modifying the model before computing sound). The fact that it works in pre-processing allows automatic volume compensation: for example, when increasing the medium spectrum, it will increase the medium frequencies in each note while keeping the natural balance across the keyboard. In other words, the middle notes will not get suddenly louder than the other ones. Another advantage of pre-processing is that it allows very fine variation in the EQ curve, unlike on a standard 3 band EQ. You can add (click) or remove (double click) control points and modify the curve by dragging them with the mouse.

equalizer.png

Two other features, Res Eq and Res Dur, allow respectively to equalize the sympathetic resonances and to modify their duration.

12.4. Effects

The effects panel lets you chain three effects that can be switched if wanted.

effects.png

The effect menus allow you to select among the following effects: Tremolo, Wah, Chorus, Flanger, Phaser, Delay, Amp, Comp, Equ3. The Gain is applied after all effects. Placed here for convenience, it does the same as the Volume in the main interface.

The following controllers are shared by several effects:

sync_mono.png

In the Tremolo effect, you can control the shape of its LFO by draging the mouse horizontally and vertically over the Shape curve.

In the Wah effect, the Wah slider itself is the direct controller of the wah-wah effect (right click on it and click on MIDI to assign it to a MIDI controller). In Auto-Wah mode, the Wah is modulated by the amplitude of the sound. Specific Wah controllers:

wah_wah.png

Similarly, in the Phaser effect, the Phasing slider is the direct controller of the phaser effect. Specific Phaser controller: Intensity: the width of the frequency sweep, ranges from 0% to 100%.

phaser.png

The Amp effect simulates an amplifier equipped with the following controllers:

amp.png

The Comp effect is a standard compressor with the following controllers:

compressor.png

The Equ3 effect is a simple 3-band parametric equaliser. Dragging control points on the interface will change the cutoff-frequency and the gain of each band. Pressing the ’shift’ key while dragging will change the Q factor of each band.

eq3.png

12.5. Reverberation

A new convolution reverberation unit simulates acoustic surroundings ranging from Studio up to very long reverbs like Cathedral or Taj Mahal. It includes other types of reverbs such as Plate, Spring, Speakers, Broceliande... In PIANOTEQ STANDARD or PIANOTEQ PRO, you can even load your own reverb impulses via Load WAV impulse in the reverb menu.

The reverberation is controlled by the following parameters:

reverb.png

13. Practice

And now, a few tutorials to help you understand how Pianoteq works. We will learn how parameters influence the sound. It is important to notice that Pianoteq also lets you produce new sounds which could never be obtained from a real instrument.

13.1. Tutorial 1: tuning

What is the difference between a “normal” piano and a “honky tonk” piano? Most of the difference can be found in the unisons tuning. Each note has three strings, except in the bass range. The honky tonk sound comes from the fact that these three strings are not in tune: they do not produce the same frequencies. You can obtain this effect by moving the unison width slider to the right in the Tuning panel:

unison_tuto1.png

However, having the three strings perfectly in tune is not necessarily best. If you push the slider completely to the left, the three frequencies of each unison will match almost perfectly, but you will find that the sound becomes uninteresting. It sounds too “clean”; it lacks life. So, how should it be tuned? There is no universal truth in such an aesthetic matter. That is why Pianoteq, for the first time in a digital piano, lets you adjust the unison tuning to your own taste!

When changing unison width, you may also find it interesting to change the direct sound duration, reducing it if you have reduced unison width and vice versa. Observe that the closer the strings are to being in exact unison, the faster the direct sound will decay and the slower the remanent sound will decay.

Unison tuning is not the only feature that affects tuning: another question is how intervals, that is, the frequency ratio between two different notes, are tuned. The tuning of all the intervals within an octave is called a temperament.

Over the years, many different temperaments have evolved. The most commonly used today is the equal temperament, in which all semitones are equal. However, a few hundred years ago, people used many other temperaments, some of which you can choose in the temperament menu. Try playing them. You may find the difference not so evident when playing single notes, but much more prominent when playing chords, some of them having a nice consonant sound, whereas others having a quite harsh sound.

13.2. Tutorial 2: voicing

The main objective of piano voicing is setting the brightness of the sound by adjusting the hammer hardness. Different music may require different voicing. The Voicing panel contains three hammer hardness sliders. Try first moving the mezzo slider, which acts on the hammer hardness around MIDI velocity 64. Moving it to the left, you will obtain a softer sound, whereas moving it to the right yields a brighter sound:

voicing_normal_bright.png

Once you are familiar with these sound changes, you can try the other two sliders acting at piano level and forte level respectively. You may also want to experiment with using the hammer noise parameter in conjunction with this hammer hardness setting. You can, for example, set the hammer hardness to very soft, but increase the volume of the hammer hitting the string using the hammer noise setting. In other words, reducing the hardness of the hammer doesn’t mean that you have to lose the percussive sound of the hammer as you reduce the brightness of the sound. On the other hand, you may want to have hard hammers to make the timbre bright, but at the same time reduce the volume of the percussive knock of the hammer hitting the strings.

Another feature is timbre adjustment through the intensity of the individual overtones, which can be partially performed on a real piano by shaping or needling the hammers.

micros75.png

Voicing is not independent from tuning, for shaping the sound during tuning can be considered as voicing. Do you want to obtain longer decay? Then you can:

13.3. Tutorial 3: soundboard design

Soundboard impedance plays a crucial role in piano design. What is the soundboard mechanical impedance? When a periodic force is applied to the soundboard, the wood oscillates with a certain velocity at the same frequency as the applied force. The soundboard impedes (resists) with its inertia, elasticity and resistance: this is the mechanical impedance, which has a ratio of force / velocity.

Typically, a high impedance results in a long sound because the energy is only slowly transmitted from the strings to the soundboard, and vice versa. High impedance yields long but weak sounds whereas low impedance yields strong but short sounds. Hence piano manufacturers have to find a compromise between sound level and sound duration.

With Pianoteq’s solution, you are free to amplify the sound as much as you want. There is no more compromise. You can set the impedance, adapting it to the sound duration that you want:

soundboard1.png

The mechanical impedance depends on the frequency. The impedance is usually quite high below a certain frequency called the cut-off frequency, above which it drops down with a slope called the Q factor: the rate at which impedance is reduced and thus the rate at which the sound decreases in length. Higher frequencies decay more rapidly than lower frequencies. Hence:

Example: if you like emphasizing the sound of the strings, you can reduce the Q factor. Alternatively, you can increase the impedance or the cutoff.

13.4. Tutorial 4: adapting Pianoteq to your keyboard

For demanding pianists, it is of utmost importance to adapt Pianoteq to the keyboard in the best possible way.

calibration.png

13.4.1. Further adjustments

Some further adjustments can be made that depend on the instrument you are playing:

dynamics.png

voicing1.png

You are now ready to play. Note that steps 3 to 5 can also be used to adapt Pianoteq to a given MIDI file in the best possible way.

13.5. Tutorial 5: difference between spectrum profile and equalizer

What is the difference between the spectrum profile (see tutorial 2) and the equalizer? Let’s look at an example. Open the Voicing panel and set the first two spectrum bars respectively to +6 dB and +3 dB:

profile3.png

What happens to the sound? All notes are modified: for each note, the fundamental has been increased by 6 dB and the second overtone by 3 dB. The piano sound has become globally softer because the higher overtones now have a lower amplitude relative to the fundamental and the second overtone.

Using several undo’s, put the spectrum bars back to their original values, and now adjust the equalizer curve, increasing it from 0 dB to 10 dB when going down from 200 Hz to 62 Hz:

equalizer.png

What happens to the sound now?

The resulting piano sound will have more bass, with an unchanged middle register and treble notes.

14. Pianoteq PRO

Pianoteq Pro is the advanced version of Pianoteq. It includes the following additional features:

14.1. Note Edit

The Note Edit (note per note adjustment) of parameters is a very powerful tool that lets you adjust the chosen parameter for each note.

note_edit_session.png

You access the Note Edit window by clicking on the Note Edit button or by double clicking on an “editable” slider. You can drag the Note Edit window anywhere on your screen and open several new windows, allowing you to work on several parameters at the same time as you can see in the picture above, where Unison width and Direct sound duration are being adjusted.

Observe the handles that let you perform some more global changes on the curve. These handles are located on specific control notes that you can select/unselect by a double click on the control rail below the graphic. These control notes are shared by all parameters except the special case of the spectrum profile which is described in the next section. For fine tuning, press the Shift key while moving a point of the curve.

note_edit_handles.png

Clicking outside a control note lets you modify any other note individually.

note_edit_individual.png

Convenient tools are provided that allow you to modify a given shape: random, smooth and rescale. Click and drag the mouse around the button to vary the degree of the effect (see also the tips that are provided on the interface). The reset button resets all parameters to the saved settings of the preset (contained in the fxp file on the hard drive).

14.2. Spectrum profile

The Note Edit of the Spectrum Profile works a bit differently from the other parameters, for you can adjust each overtone for each note! You can access it by a double click on any of the spectrum profile sliders.

Overtones can be modified individually, but also in different combinations called harmonic, comb, major, octave... Various draw modes named simple draw, haircut and fill only are also provided. All these features are grouped in the same menu on the right, labelled simple draw at first access.

The spectrum profile has its own set of control notes that you can select/unselect by a double click on the control rail below the graphic. They are independent of the control notes used by the other parameters.

note_edit_control_rail.png

Outside the control notes, the spectrum profile is linearly interpolated, and you can observe the intermediate values by clicking on the corresponding note on the control rail.

14.2.1. Example 1

If you set a single control note and increase its third overtone by 6 dB, all of the notes will have their third overtone increased by 6 dB:

note_edit_profile60.png

With a single control note...

note_edit_profile62.png

... all other notes are modified in the same way.

14.2.2. Example 2

Here — starting with a reset to clear everything — since we wanted only the middle C to be modified, we added 2 control notes on each side to prevent the interpolation from “propagating” to the other notes:

note_edit_profile60b.png

With three consecutive control notes...

note_edit_profile61.png

... you can alter only the middle note if you want to prevent your edit from spreading to the notes above or below it.

14.2.3. Example 3

In this last example, we modified the middle C and the C below, and we observe how the intermediate notes are interpolated:

note_edit_profile_interpolate60.png

Profiling the middle C...

note_edit_profile_interpolate48.png

... and the C below ...

note_edit_profile_interpolate53.png

... results in interpolated values for the F between.

15. Appendix: temperaments construction

MATLAB programs for some Pianoteq built-in temperaments12. Inputs are equal tempered frequencies f (which may be stretched) and corresponding MIDI numbers.

%-------------------------------------------------------------------
function f = pythagore(f,MIDI)
%-------------------------------------------------------------------
delta = 3/2/2^(7/12);
ratio = delta.^[-3 -8 -1 -6 1 -4 3 -2 -7 0 -5 2];
f = f.*ratio(rem(MIDI,12)+1);
%-------------------------------------------------------------------
function f = zarlino(f,MIDI)
%-------------------------------------------------------------------
ratio2C = [1 25/24 9/8 32/27 5/4 4/3 45/32 3/2 25/16 5/3 16/9 15/8];
ratio = ratio2C./2.^((0:11)/12);
ratio = ratio/ratio(10); % leaving A unchanged
f = f.*ratio(rem(MIDI,12)+1);
%-------------------------------------------------------------------
function f = mesotonic(f,MIDI)
%-------------------------------------------------------------------
q = 5^(1/4);
ratio2C = [1 5*q^3/16 q^2/2 4*q/5 5/4 2/q 5*q^2/8 q ...
           25/16 q^3/2 4*q^2/5 5*q/4];
ratio = ratio2C./2.^((0:11)/12);
ratio = ratio/ratio(10); % leaving A unchanged
f = f.*ratio(rem(MIDI,12)+1);
%-------------------------------------------------------------------
function f = welltempered(f,MIDI)
%-------------------------------------------------------------------
q = max(real(roots([1 0 0 2 -8]))); a = (128/q^5)^(1/7);
ratio2C = [1 a^2*q^5/16 q^2/2 a^4*q^5/32 q^4/4 2/a a*q^5/8 q ...
           a^3*q^5/16 q^3/2 4/a^2 a*q^4/4];
ratio = ratio2C./2.^((0:11)/12);
ratio = ratio/ratio(10); % leaving A unchanged
f = f.*ratio(rem(MIDI,12)+1);
%-------------------------------------------------------------------
function f = werck(f,MIDI)
%-------------------------------------------------------------------
ratio2C = [1 256/243 1.1174 32/27 1.2528 4/3 1024/729 1.4949 ...
           128/81 1.6704 16/9 1.8792];
ratio = ratio2C./2.^((0:11)/12);
ratio = ratio/ratio(10); % leaving A unchanged
f = f.*ratio(rem(MIDI,12)+1);

[12] Some of these temperament definitions derive from “Der Piano und Flügelbau, Herbert Junghanns, Verlag Das Musikinstrument Frankfurt/Main, 1979”

16. Special acknowledgements

16.1. Instrument providers

16.2. Recording engineers

Warm thanks to our beta testers, who helped us greatly in improving our instruments. Without their intensive participation, their constructive criticism and enlightening advice, Pianoteq wouldn’t have become the enjoyable instrument which you are playing.

Many thanks also to our customers and distributors for their support and all others who supply us with valuable opinions and ideas.

16.3. Company

MODARTT is a company that develops and provides software, hardware and consulting services for artistic and technological applications. MODARTT also supports the KIViR project (Keyboard Instruments Virtual Restoration), offering digital restoration of historical keyboard music instruments in museums. Please visit our website www.modartt.com for further details.

16.4. Authors

17. Intellectual property

All products names and any trademarks mentioned are used for identification purposes only and are copyrighted by their respective holders.

Copyright © 2020 MODARTT- v6.7.2/2020-05-25