PortAudioError: Error querying device -1

sounddevice 라는 python package를 사용하면서 발생하는 문제

 

원인: 소리 재생 장치가 연결이 안 되어있음

 

해결: 이어폰이나 소리가 나오는 모니터를 연결하면 끝!

 

File d:\virtualenv\vision_tts\lib\site-packages\sounddevice.py:179, in play(data, samplerate, mapping, blocking, loop, **kwargs)
    176     ctx.write_outdata(outdata)
    177     ctx.callback_exit()
--> 179 ctx.start_stream(OutputStream, samplerate, ctx.output_channels,
    180                  ctx.output_dtype, callback, blocking,
    181                  prime_output_buffers_using_stream_callback=False,
    182                  **kwargs)

File d:\virtualenv\vision_tts\lib\site-packages\sounddevice.py:2542, in _CallbackContext.start_stream(self, StreamClass, samplerate, channels, dtype, callback, blocking, **kwargs)
   2539 def start_stream(self, StreamClass, samplerate, channels, dtype, callback,
   2540                  blocking, **kwargs):
   2541     stop()  # Stop previous playback/recording
-> 2542     self.stream = StreamClass(samplerate=samplerate,
...
--> 569     raise PortAudioError('Error querying device {}'.format(device))
    570 assert info.structVersion == 2
    571 name_bytes = _ffi.string(info.name)

PortAudioError: Error querying device -1