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Python2.7의 Alsa 문제-슬레이브를 열 수 없습니다
소리를 처리하기 위해 파이썬 모듈 pyaudio를 사용하고 있지만 ALSA는 다음을 반환합니다. ALSA lib pcm_dsnoop.c:618:(snd_pcm_dsnoop_open) unable to open slave ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side bt_audio_service_open: connect() failed: Connection refused (111) bt_audio_service_open: …