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我有一个pyaudio问题。只有当我将频道号设置为1时,才能播放非阻塞流的声音。当我将其设置为2时,我听不到任何声音,脚本无法退出。即使数据是单声道的,它不应该正常播放吗?这里是我的代码片段:使用Python播放双声道声音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的阵列