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Nyquist is a language for sound synthesis and music composition.
Nyquist is a language for sound synthesis and music composition. It is implemented in C and C++ and runs on Win32, OSX, and Linux. Nyquist combines a powerful functional programming style with efficient signal-processing primitives. Nyquist is also embedded as a scripting language in Audacity.
phasevocoder for time scaling and pitch transposition etc.
phasevocoder: phasevocoder for time scaling and pitch transposition etc.
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An integrated suite of phasevocoder tools for conventional and experimental processing of audio sound files. Features functional control of parameters; processing controlled through UNIX shell scripts.
...There is now also a native app for iPhone, iPad and Mac — わおん — Music Transcriber: https://haidoroya.com/waon/
WaoN is a Wave-to-Notes transcriber (converts audio file into midi file) and some utility tools such as gWaoN, graphical visualization of the spectra, and phasevocoder for time-stretching and pitch-shifting.
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Sculptor is a phase-vocoder-based package with real-time capabilites. You can use it to fiddle with soundfiles in the frequency domain, changing pitch and duration independently.