36 lines
801 B
Python
36 lines
801 B
Python
#!/usr/bin/python3
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import numpy as np
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from lasp_rtaudio import RtAudio, SampleFormat, Format_SINT32, Format_FLOAT64
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import time
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nframes = 0
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samplerate = 48000
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omg = 2*np.pi*1000
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def mycallback(input_, nframes, streamtime):
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t = np.linspace(streamtime, streamtime + nframes/samplerate,
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nframes)[np.newaxis,:]
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outp = 0.1*np.sin(omg*t)
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return outp, 0
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if __name__ == '__main__':
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pa = RtAudio()
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count = pa.getDeviceCount()
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# dev = pa.getDeviceInfo(0)
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for i in range(count):
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dev = pa.getDeviceInfo(i)
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print(dev)
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outputparams = {'deviceid': 0, 'nchannels': 1, 'firstchannel': 0}
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pa.openStream(outputparams, None , Format_FLOAT64,samplerate, 512, mycallback)
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pa.startStream()
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input()
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pa.stopStream()
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pa.closeStream()
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