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我有一個pyaudio問題。只有當我將頻道號設置爲1時,才能播放非阻塞流的聲音。當我將其設置爲2時,我聽不到任何聲音,腳本無法退出。即使數據是單聲道的,它不應該正常播放嗎?這裏是我的代碼片段:使用Python播放雙聲道聲音PyAudio
pa = pyaudio.PyAudio()
out_stream = pa.open(format = pyaudio.paFloat32,
channels = 2,
rate = 44100,
output = True,
stream_callback = self._output_callback(out_data),
frames_per_buffer=100)
out_stream.start_stream()
while(out_stream.is_active()):
time.sleep(0.1)
out_stream.stop_stream()
pa.terminate()
@staticmethod
def _output_callback(wav_data):
def callback(in_data, frame_count, time_info, status):
pos = callback.pos
callback.pos += frame_count
out_data = wav_data[pos:pos+frame_count]
return (out_data, pyaudio.paContinue)
callback.pos = 0
return callback
OUT_DATA是numpy.float32格式numpy的陣列