test_stream.py 文件源码

def test_filtfilt():
    sr = 1000
    freq = 100
    b, a = butter(3, freq / (sr / 2), 'high')
    for data in (data2, data3, data4):
        x = filtfilt(b, a, data, axis=0)
        y = Stream(data, chunksize=211, sr=sr).filtfilt(b, a).call()
        assert eq(x, y)