wavio.py 文件源码

def read_wave_file(filename, use_numpy=False):
    try:
        w = wave.open(filename)
        a = numpy.fromstring(w.readframes(9999999999), dtype=NUMPY_DTYPE)
        if use_numpy:
            return numpy.reshape(a, (w.getnchannels(), -1), 'F')
        else:
            return [
                a[i::w.getnchannels()]
                for i in xrange(w.getnchannels())
            ]
    except wave.Error:
        print "Could not open %s" % filename
        raise