Generates simple polyphonic tones and melodies
A pure-python module for generating simple tones as audio samples, which can optionally be written directly to a .wav audio file. Supports pitch-bending, vibrato, polyphony, several waveform types (sine, square, triangle, sawtooth), and several other waveform-shaping options.
Install from the PyPi repository:
pip install tones
from tones import SINE_WAVE, SAWTOOTH_WAVE from tones.mixer import Mixer # Create mixer, set sample rate and amplitude mixer = Mixer(44100, 0.5) # Create two monophonic tracks that will play simultaneously, and set # initial values for note attack, decay and vibrato frequency (these can # be changed again at any time, see documentation for tones.Mixer mixer.create_track(0, SAWTOOTH_WAVE, vibrato_frequency=7.0, vibrato_variance=30.0, attack=0.01, decay=0.1) mixer.create_track(1, SINE_WAVE, attack=0.01, decay=0.1) # Add a 1-second tone on track 0, slide pitch from c# to f#) mixer.add_note(0, note='c#', octave=5, duration=1.0, endnote='f#') # Add a 1-second tone on track 1, slide pitch from f# to g#) mixer.add_note(1, note='f#', octave=5, duration=1.0, endnote='g#') # Mix all tracks into a single list of samples and write to .wav file mixer.write_wav('tones.wav') # Mix all tracks into a single list of samples scaled from 0.0 to 1.0, and # return the sample list samples = mixer.mix()
Full API documention is here: https://tones.readthedocs.io
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