23 lines
492 B
Python
23 lines
492 B
Python
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import pyaudio
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import numpy as np
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from matplotlib import pyplot as plt
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CHUNKSIZE = 1024 # fixed chunk size
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# initialize portaudio
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p = pyaudio.PyAudio()
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stream = p.open(format=pyaudio.paInt16, channels=1, rate=44100, input=True, frames_per_buffer=CHUNKSIZE)
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# do this as long as you want fresh samples
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data = stream.read(CHUNKSIZE)
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numpydata = np.fromstring(data, dtype=np.int16)
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# plot data
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plt.plot(numpydata)
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plt.show()
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# close stream
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stream.stop_stream()
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stream.close()
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p.terminate()
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