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A simple virtual analog synthesizer.

Project description

Python synthesizer Build Status Documentation Status

  • Virtual analog synthesizer.

Installation

$ pip install synthesizer

Install dependencies

Ubuntu

$ apt install portaudio19-dev
$ pip install pyaudio

macOS

$ brew install portaudio
$ pip install pyaudio

Basic usage

Play 440Hz sine wave

>>> from synthesizer import Player, Synthesizer, Waveform


>>> player = Player()
>>> player.open_stream()
>>> synthesizer = Synthesizer(osc1_waveform=Waveform.sine, osc1_volume=1.0, use_osc2=False)
# Play A4
>>> player.play_wave(synthesizer.generate_constant_wave(440.0, 3.0))

Play chord

# Play C major
>>> chord = ["C3", "E3", "G3"]
>>> player.play_wave(synthesizer.generate_chord(chord, 3.0))

# You can also specify frequencies to play just intonation
>>> chord = [440.0, 550.0, 660.0]
>>> player.play_wave(synthesizer.generate_chord(chord, 3.0))

Specify audio device

>>> player.enumerate_device()
# index: 00, name: "Built-in Microphone", rate: 44100
# index: 01, name: "Built-in Output", rate: 44100
# index: 02, name: "UA-25EX 44.1kHz", rate: 44100
>>> player.open_stream(device_name="UA-25EX")

Write wav file

>>> from synthesizer import Writer
>>> writer = Writer()

>>> chord = ["C4", "E4", "G4"]
>>> wave = synthesizer.generate_chord(chord, 3.0)
>>> writer.write_wave("path/to/your.wav", wave)

Supported OS

  • macOS 10.12 and above
  • Ubuntu 16.04

Supported versions

  • Python 2.7
  • Python 3.4 and above

Author

License

  • GPL v3 License

Links

Project details


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