MODARTT ORGANTEQ - User Manual

Welcome

Congratulations on your purchase of Organteq - the starting point of a new generation of pipe organs, created by the MODARTT team.

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 - www.modartt.com/support

Table of contents

• 1. Introduction
  • 1.1. Physically modelled Virtual Pipe Organ (VPO)
  • 1.2. What makes Organteq outstanding
  • 1.3. Features in short
• 2. Installing and starting Organteq
  • 2.1. Installer package download
  • 2.2. Installation for Windows
    • 2.2.1. Optimization
  • 2.3. Installation for macOS
  • 2.4. Using Organteq standalone
  • 2.5. Using the VST/VST3/AU/AAX plug-in
  • 2.6. Hardware requirements
  • 2.7. Adapt Organteq to your hardware (standalone version)
  • 2.8. Adapt Organteq to your MIDI setup
    • 2.8.1. MIDI Action mapping
    • 2.8.2. MIDI Keyboard mapping
    • 2.8.3. MIDI learn
      • 2.8.3.1. MIDI Action mapping setup
      • 2.8.3.2. MIDI Keyboard mapping setup
  • 2.9. Quickly loading fxp (settings) and MIDI files
  • 2.10. MIDI file player (standalone version)
    • 2.10.1. Organteq MIDI file & built-in MIDI Mapping
    • 2.10.2. Playback speed
    • 2.10.3. Record and Save your performance
    • 2.10.4. Brilliant performance lost?
    • 2.10.5. Step by step in your MIDI file
  • 2.11. Interface magnification
• 3. Parameter edition & preset
  • 3.1. Preset
  • 3.2. Parameter modification
  • 3.3. General commands
  • 3.4. Preset manager
    • 3.4.1. Assigning a parameter to a MIDI controller
• 4. Organteq console overview
  • 4.1. Stop
  • 4.2. Keyboards & stop divisions
  • 4.3. Stop drawknobs
  • 4.4. Couplers
  • 4.5. Combinations
    • 4.5.1. Combination snaphot
    • 4.5.2. Combination stepper
    • 4.5.3. Combination advanced settings
  • 4.6. Expression pedal
  • 4.7. Crescendo pedal
  • 4.8. Tremulant
  • 4.9. Tutti & General Cancel
• 5. Other parameters
  • 5.1. Diapason
  • 5.2. Temperament
    • 5.2.1. Stereo settings
    • 5.2.2. Multi-channels output
  • 5.3. Reverberation
• 6. Edit your own organ console (advanced user)
  • 6.1. Keyboard and stop slot (advanced user)
  • 6.2. Stop edit window (advanced user)
  • 6.3. Stop type
  • 6.4. Flue stops
  • 6.5. Reed stops
  • 6.6. Stop height (pitch) & mutations
  • 6.7. Mixture stops
  • 6.8. Organteq Flue stops
  • 6.9. Organteq Mixture stops
  • 6.10. Organteq Reed stops
• 7. Special acknowledgements
  • 7.1. Instrument providers
  • 7.2. Company
• 8. Intellectual property

1. Introduction

1.1. Physically modelled Virtual Pipe Organ (VPO)

Organteq is the first physically modelled organ reproducing the heart of the complex flue and reed pipes physics. The sound is generated in real time from scratch, reproducing the typical and variable pipe attack transients chiff as well as the 3D configuration, where pipes are located in space according to their keyboards. Even the action noises from keys, stops and couplers are modelled.

1.2. What makes Organteq outstanding

By being physically modelled, Organteq offers several advantages over sample based variants:

• It installs and loads quickly on any modern laptop.
• It hardly takes up any space at all as the file size is just 15 MB (megabytes).
• It feels like playing a real organ, with superior playability.
• It is vivid, bringing more realistic variability in attack and sustain.

1.3. Features in short

Organteq offers over a thousand pipes, inspired from Cavaillé-Coll's organs, assigned to three manual keyboards with a five-octave range, and a pedal keyboard with thirty-two notes. Each keyboard can be assigned to a selection of stops with adjustable parameters.

With its MIDI learn feature and convenient MIDI mapping, Organteq provides quick and easy connection with your MIDI compatible keyboard and other devices.

The reverb module offers parameters to vary the ambience, from a pure anechoic dry sound to a giant space wet sound.

2. Installing and starting Organteq

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

2.1. Installer package download

Once registered as a user on the modartt.com/user_area, you will be able to log in and download the binary archive located in the Download section.

2.2. Installation for Windows

Execute the installation program file organteq_setup.exe. Activation is required when launching Organteq 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 free third-party ASIO drivers at www.asio4all.com.

2.2.1. Optimization

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

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.

2.3. Installation for macOS

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

2.4. Using Organteq standalone

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

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

Organteq 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.

2.6. Hardware requirements

Organteq can be used with any MIDI compatible keyboard. To simulate a real organ more closer, you can use multiple MIDI compatible keyboards and an organ pedal board.

The requirements for using Organteq successfully are:

• Recent CPU (Intel i7, i9, Xeon, AMD Ryzen or equivalent is recommended)
• 512 MB RAM
• ASIO compatible sound card and drivers (concerns Windows users only)
• Internet connection (if activating the software using quick online method, otherwise see modartt.com/pianoteq/faq)
• Windows 7 (64-bit) or later, macOS X 10.7 or later, Linux (x86).

2.7. Adapt Organteq to your hardware (standalone version)

When running in standalone version, click on the Options button, a window containing the following sections appears: Devices, Perf, General and About.

The Devices section lets you select your hardware keyboards, audio device and related driver (Audio device type), output channels, sample rate and audio buffer size.

If running Windows, you should select an ASIO driver. If intending to play on a MIDI compatible keyboard, you should select an audio buffer size which generates a latency of less than 8ms to simulate the response of real organ keyboards.

The audio load graph lets you check how your computer performs. If you encounter performance issues, you will need to lower the sample rate.

2.8. Adapt Organteq to your MIDI setup

In Organteq, the MIDI mapping is made of two parts:

• the MIDI Action mapping: internal actions triggered by MIDI events
• the MIDI Keyboard mapping: routing between MIDI channels and virtual keyboards

Click on the left part of the MIDI mapping button to open the MIDI mapping window. From there you can either set a MIDI Action mapping or a MIDI Keyboard mapping.

Clicking on the upper right button opens a menu where you can:

• select an other MIDI mapping
• Save or Save as... your MIDI mapping configuration (both Action and Keyboard)
• Set as default one MIDI mapping
• Attach a MIDI mapping to a preset (it will be selected each time the preset is loaded)

2.8.1. MIDI Action mapping

The MIDI Action mapping is made of several Action mapping items. Each item assign a MIDI event (Note On, Note Off, CC, Program Change, etc...) to an Organteq internal action, with MIDI channel filtering and bounds resctrictions options.

2.8.2. MIDI Keyboard mapping

Organteq comes with four virtual keyboards: Pédale, Positif, Grand Orgue and Récit. A Keyboard mapping item allows one to route a MIDI channel to a given virtual keyboard with input range and transposition options.

Example 1: a basic Keyboard mapping

A basic Keyboard mapping is made of four Keyboard mapping items, one per virtual keyboard, routing the 1 to 4 MIDI channels as follow:

Example 2: a "keyboard split" for pianist

If you have only one hardware keyboard and you still want to use several virtual keyboards, here is an example of a "keyboard split" setup:

2.8.3. MIDI learn

The easiest way to set your MIDI setup is to use the MIDI learn mode.

2.8.3.1. MIDI Action mapping setup

• ctrl + click (Windows) or ⌘ + click (macOS) on the on-screen UI item: MIDI learn mode is triggered
• touch any controller you want to link with

2.8.3.2. MIDI Keyboard mapping setup

• ensure that each keyboard emits on a unique MIDI channel
• right-click on the on-screen keyboard: MIDI learn mode is triggered
• press any key on the MIDI keyboard you want to link with

All conflicts will be removed: all other Keyboard mapping items involving the on-screen keyboard, or the MIDI channel, will be removed.

2.9. Quickly loading fxp (settings) and MIDI files

You can load fxp (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 Organteq interface.

2.10. MIDI file player (standalone version)

The Organteq 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.

2.10.1. Organteq MIDI file & built-in MIDI Mapping

Any MIDI stream recorded by Organteq standalone is recorded as a 6-track MIDI file. Track #0 contains the original input. Tracks #1 to #4 contain the notes played on the 4 keyboards from bottom to top (1=Pédale, ..., 4=Récit). Each track from 1 to 4 is recorded on the MIDI channels 1 to 4, respectively. Track #5 contains all other real-time events (stops switches, couplers switches, tremulants swithces, expression pedal, crescendo pedal, tutti, ...) as SysEx messages, including clicks events on the GUI.

A MIDI file recorded through Organteq is recognizable by its 6 tracks structure (right-click on the white part of the Transport Bar):

When loaded back in Organteq standalone, such a MIDI file is played by overriding the current MIDI mapping and uses an internal built-in MIDI mapping.

2.10.2. 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.

2.10.3. 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.

2.10.4. 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, Organteq 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 the settings at the bottom of the Recently played on the keyboard menu.

2.10.5. 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. Using right click in the MIDI player, you can remove events placed before or after the current position.

2.11. Interface magnification

The Organteq 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 +/-:

3. Parameter edition & preset

3.1. Preset

The physical model contains a great number of parameters, but only a small proportion of them are available through the user interface. A preset gathers all the parameters that are user-editable.

3.2. Parameter modification

You can change any parameter by moving the corresponding slider with the mouse.

Moving the mouse cursor perpendicularly to the slider will make the slider move slowly.

Each time you modify parameters in Organteq, a few computations are needed to update the physical model. It might take a few seconds.

3.3. General commands

In Organteq 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.

• The edit (pen) and save buttons allow you to edit and save your new preset.
• The freeze checkbox allows you to select the parameters that you want to keep unchanged when changing preset. This is a very convenient feature for “transporting” settings from one preset to another.
• Using the undo/redo commands, you can at any time undo and redo the changes you have made: up to 100 undos are possible. A right click on the button shows you the last modification.
• The AB button allows you to switch between two presets A and B, one being in the foreground while the other is in the background. The led beside them is lit as soon as A and B are different. Clicking on the led copies the foreground preset into the background preset. A right click on the AB button lists the differences between A and B. A and B presets have their own undo/redo stack.

3.4. Preset manager

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

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

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).

Sorting

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

A bank is a set of presets that are located in a given folder, except the factory bank which contains all the built-in presets.

Filtering

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

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.

The Organteq folders

The easiest way to find the Organteq folders is to click on the little folder images to the right of All banks. The Organteq folder contains one sub-folder Presets: this is where to store the user defined banks. Each bank is itself a folder that contains presets with fxp file format.

Importing fxp files

There are two ways of importing fxp files:

• Drag and drop the file into the interface,
• Copy the file into the appropriate folder.

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).

3.4.1. Assigning a parameter to a MIDI controller

You can assign Organteq 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. Organteq will automatically assign the parameter to the controller. More sophisticated possibilities are provided in the MidiMapping 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.

4. Organteq console overview

This section gives a brief overview of the main Organteq window.

4.1. Stop

A stop is the basic unit of an organ. A stop is a set of pipes with timbral consistency along the tessitura. More than 20 stops are available in Organteq.

4.2. Keyboards & stop divisions

Organteq comes with 4 keyboards, from bottom to top: Pédale, Positif, Grand Orgue and Récit. A set of ten stops is attached to each keyboard. All the stops of a keyboard are usually put in a box called division. The keyboard divisions are set at different location, offering different sound planes for each keyboard.

4.3. Stop drawknobs

When playing on a keyboard, a stop has to be activated to be heard. This is done with the stop switch, or stop drawknob, on the side of the keyboard:

4.4. Couplers

Couplers allow one to add the registration of a keyboard to another keyboard. When Pos. / Péd. is activated, the sound of the Positif is added to the Pédale. Organteq offers 6 settable couplers, with octave transposition options. Open the couplers settings window to custom your own couplers.

4.5. Combinations

The stop drawknobs, couplers pedals and tremulant switches manipulation can be fastidious and break the live performance workflow. Organteq comes with a hundred combination banks. Each bank offers 10 settable combinations. A combination allows to trigger a pre-recorded state of stop drawknobs, coupler pedals and tremulant switches.

4.5.1. Combination snaphot

The easiest way to set a combination is to perform a "snapshot": set the stop drawknobs, couplers and tremulants as desired, right-click on the combination button, and click on snaphost (or use the shortcut shift + click on the combination button). This records the current live state under the current bank and combination.

When playing, just click the combination button to quickly revert to the pre-recorded state.

4.5.2. Combination stepper

Stepper, Previous/Next and Previous Bank/Next Bank are used to navigate through combinations and combination banks. Thus you can prepare your own sequence of combinations that suit your project, and easily navigate through it. Note that changing a combination bank won't trigger any combination: you need to further trigger a combination of that bank with the direct switch or with the combination stepper.

4.5.3. Combination advanced settings

A combination basically turns all switches On or Off. A third action is available: let the switch untouch. This allows you to modify only a subset of switches. Open the advanced Combination settings window. There you can set stops drawknobs and other items to "Unset", "Set" or "None". Here is an example where the combination will affect all the keyboards but the Récit:

4.6. Expression pedal

Pipes are enclosed in keyboard divisions. The expression pedal allows to open the wooden blinds of the divisions, yielding a much louder and richer sound.

Assign all stops of a keyboard to the expression pedal by right-clicking on it.

Stops can be individually add to or remove from the expression pedal from the Stop edit window.

4.7. Crescendo pedal

The crescendo pedal gradually activates stops in addition to the manual registration.

The crescendo pedal is divided in 12 steps. For each step, a stop can be On or Off. Set the stop individually from the Stop edit window.

4.8. Tremulant

The tremulant is a mechanical device that modulates the upstream air flow that feeds the pipes. When the tremulant is activated, the sound production is modulated according to the tremulant settings. Note that this is not as post-effect: the modulation generated by the tremulant is used as an input of the physical model, and is fully processed by the model itself yielding a modulation of the pitch, the intensity and the harmonic content.

Organteq comes with four tremulants, one per keyboard division. The tremulant settings window allows you to set the rate, the depth and the shape of each tremulant.

4.9. Tutti & General Cancel

Two additional buttons are available. Tutti activates all stops of all keyboards. General Cancel resets all stops, couplers and tremulants.

5. Other parameters

Several parameters are available under the Settings panel (click on the Settings button).

5.1. Diapason

The standard diapason (A above middle C) frequency¹ is 440 Hz, but you can change it to other values by clicking in the Diapason menu.

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

5.2. Temperament

The temperament defines the way the scale is tuned. In the Temperament menu, you can choose from the following temperaments:

• Equal: the standard tuning
• Zarlino (circa 1558): sometimes called the “physicians scale”, based on harmonic thirds (ratio 5/4) and fifths (ratio 3/2)
• Pythagore (VIth A.C.): based on harmonic (pure) fifths except for one (the so-called “diabolus in musica”). Can you hear which one it is?
• Mesotonic, Well-tempered, Werckmeister III (XVIIth) and Valloti: unequal temperaments used in baroque music
• Flat: octaves ratio is strictly 2.

The Detune entry in the Temperament menus gives you access to a panel where you can detune the whole organ, note per note. A pipe per pipe tuning is also available.

5.2.1. Stereo settings

Two parameters can be adjusted to modify the stereo image:

• Stereo width. This parameter allows you to narrow or broaden the stereo image of the instrument.
• C/C# separation. Within each division, the pipes are located according to their pitch: C whole tone scale on the left, C# whole tone scale on the right. This parameter gradually sends the C and C# sides of each division to the right and left channels, respectively.

5.2.2. Multi-channels output

Two output configuations are available:

• 2 Channels: the sound of all the four divisions is mixed to the main stereo output,
• 8 Channels: each division has its own stereo output. Each channels pair can be routed as you want. In standalone mode you have to make sure that your audio device has enough enabled channels. When used as plug-in, make sure your host is set to receive eight channels.

5.3. Reverberation

A 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... You can even load your own reverb impulses via Load WAV impulse in the reverb menu.

The reverberation is controlled by the following parameters:

• Mix: the relative level in dB between reverberant sound and direct sound
• Duration: the length of the reverberant sound
• Room size: from 5 to 50m
• Pre-delay: the time between the direct sound and the reverberant sound
• Tone: a tilt equalizer that only affects the reflected sound, darker to the left, brighter to the right
• Tail / Early reflections: the relative level in dB between early reflections and reverberation tail.

6. Edit your own organ console (advanced user)

Organteq's console is fully editable. You can modify the stop attached to each keyboard, the couplers actions, the combinations, the expression and crescendo pedal. The following sections focus on the stop edition.

6.1. Keyboard and stop slot (advanced user)

Each keyboard offers ten slots into which you can attach a given stop.

6.2. Stop edit window (advanced user)

Open the corresponding slot stop edit window by right-clicking on the empty slot or on the stop drawknob.

In this window, you can attach a stop to a specific slot. To select a slot, use the upper left buttons or right-click on the main interface on the drawknobs (or empty slot). You can also attach a MIDI event to the drawnknob. For each stop, several parameters are adjustable such as the note-per-note volume or how the crescendo pedal affects the stop.

6.3. Stop type

Stops are categorized into two main families, depending on the exciter, i.e. how the acoustic vibration is produced:

• flue stop: the acoustic vibration is created by the interaction of an air jet with the pipe labium
• reed stop: the acoustic vibration is creating by the beating reed

In both families, the acoustic vibration is filtered by the pipe resonances. A wide variety of exciter shapes and pipe shapes yields a wide variety of timbres.

6.4. Flue stops

Flue stops are mainly made of cylindrical resonator:

• flute or wide diamater: these pipes produce a soft sound with a pronounced fundamental and less harmonics
• principal or medium diameter: the sound is balanced
• string or narrow diameter: these pipes tend to reproduce the sound of bowed string instrument, with a much richer timbre
• bourdon or closed-end pipe: half the length of open-end pipes, they produce a soft sound with a strong odd timbre (odd harmonics)

6.5. Reed stops

There is no such a clear classification for reed stops since the variabitity of pipe shapes is more important. Lets mention some important pipe shape:

• trumpet or conical: strong and powerfull sound reminding the trumpet
• clarinet or cylindrical: softer sound reminding the instrument of the same name
• voix humaine: reed stop with a very short pipe length, not matching its nominal frequency

6.6. Stop height (pitch) & mutations

In addition to the timbral variation offered by the pipe shape, the stops are also available at different pitches. It is the custom in the organ world to refer to a stop pitch using the height of the lowest C of the stop, which is approximatively 8 feet (noted 8'). Even bourdon whose length is halved is refered as a 8' stop since it sounds as a 8' open-end pipe. A stop sounding an octave lower is twice longer: 16'. A stop sounding an octave above is twice shorter: 4'. And so on.

Other pitches than octaves are available. These stops are called mutations and sound at higher pitch at specific musical interval. Here is a the most common heights including mutations:

6.7. Mixture stops

All the stops mentionned so far are single rank stops: there are as many pipes as the number of keys, one pipe per key. Mixture stops combine several flue ranks: one key activates several pipes at different heights. These pipes cannot sound separatly.

The ranks of Mixture stops might also have breaks along the tessitura. A break is a change in the pipe height that occures between two keys. The following table shows the actual height of an octave rank (4') with a break at B2/C3:

6.8. Organteq Flue stops

6.9. Organteq Mixture stops

6.10. Organteq Reed stops

7. Special acknowledgements

7.1. Instrument providers

We are grateful to Toulouse les Orgues and Bernard Thourel for their valuable contributions.

7.2. Company

MODARTT is a company that develops and provides software, hardware and consulting services for artistic and technological applications.

8. Intellectual property

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