50 lines
1.1 KiB
Python
50 lines
1.1 KiB
Python
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#!/usr/bin/env python3
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import wave
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import math
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import pyaudio
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NomFichier = "temp"
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Monson = wave.open(NomFichier, 'w')
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channels = 1 # Mono
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sample_size = 1 # Size of a sample -> 8 bits
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sampling_freq = 44100 # Sampling frequency
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freq = 440 # Note frequency
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length = 5 # Length of the note in seconds
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level = 150 # Between 0 (max < 0) and 255 (max > 0), 0 is 127
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sample_number = int(length*sampling_freq)
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parameters = (channels, sample_size, sampling_freq, sample_number, 'NONE',
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'not compressed')
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Monson.setparams(parameters) # File header
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for i in range(0, sample_number):
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value = int(128.0+level*math.sin(2.0*math.pi*freq*i/sampling_freq))
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wave.struct.pack('h', value)
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Monson.close()
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wf = open(NomFichier, 'rb')
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p = pyaudio.PyAudio()
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stream = p.open(format=p.get_format_from_width(wf.getsampwidth()),
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channels=wf.getnchannels(),
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rate=wf.getframerate(),
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output=True)
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data = wf.readframes(CHUNK)
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while data != '':
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stream.write(data)
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data = wf.readframes(CHUNK)
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stream.stop_stream()
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stream.close()
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p.terminate()
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