Sergey A Kryukov, physicist, inventor, designer, author of computer technologies, creator of the Web browser-based microtonal platform for musical teaching, study, and composer's experiments
Musical Study with Isomorphic Computer Keyboard, August 16, 2017 This is the first work of the keyboard-related cycle, and it is not microtonal. However, it contains some theoretical introduction applicable to other works, which are essentially microtonal.
Microtonal Fabric is a microtonal music platform based on WebAudio API. It is a framework for building universal or customized microtonal musical keyboard instruments, microtonal experiments and computing, music study, and teaching music lessons with possible remote options.
All applications presented by this project can be played live using a Web browser. They are based on the Web Audio API and common platform developed by the author. Alternatively, the project can be downloaded from GitHub to execute the applications locally, in this case, the Internet or any other network is not required.
The applications support standard touchscreen. With a touchscreen, one can play with ten fingers, any chords, glissando (important) in any combinations. So a touchscreen is highly recommended. Without a touch screen, a user still can play with a mouse/touchpad and, in special cases, a computer keyboard.
Browsers based on V8 engine are recommended, such as Chromium, Chrome, Opera, Vivaldi, Microsoft Edge v. 80.0.361.111 or later, and more…
Live Play Applications
Sound BuilderIn addition to this Web browser-based application, there is the additional tool, Fourier.WaveFFT — it requires a one-click build (.NET Core). It can take an audio sound sample, Fourier-transform it, and embed the result in an instrument file to be open by SoundBuilder for synthesis. The user can design one's own instrument synthesizer and embed it in all musical instruments of the system listed below.
Multi-EDO Chromatic Lattice isomorphic chromatic keyboard
Specialized 29-EDO keyboards
Experimental: Microtonal Playground
Live play: Microtonal Playground
This is a new experimental application under development.
It allows anyone to define one's own frequencies, place them in a simple rectangular-grid keyboard and play with ten fingers on a touchscreen, or at least with a mouse/touchpad. For the customization, the live play won't be enough, it shows some demo, presently based on the scales presented by Dawson Berry. Presently, you need to download the entire product and modify the file “user.data”. The definition mechanism is very flexible: the frequencies can be defined as fixed values or as rational-number intervals relative to the specified base tone, the labels can be customized, automatic repetition of tones with octave transposition is available.
Later, the application will get standard controls of volume, sustain, transposition, and the Recorder. Right now, only the choice of instrument is available.
Also under development: the tonal system put forward by Kite Giedraitis, with this layout and generator system. I already make it playable, but I'm trying to design something to be practically playable.
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