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scottlawsonbc / audio-reactive-led-strip

:musical_note: :rainbow: Real-time LED strip music visualization using Python and the ESP8266 or Raspberry Pi
MIT License
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audio-reactive-led-strip #382

Open SuperFFFly opened 5 months ago

SuperFFFly commented 5 months ago

Hello, I get the following error when I run visualization.py, can you tell me how to set it up? *Raspbery 4,USB Sound-Audio is Focusrite 2i2.

zero@BlueBerry:~/rpi_ws281x/python/examples $ sudo python audio-reactive-led-strip/python/visualization.py Expression 'GetExactSampleRate( hwParams, &defaultSr )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 895 Expression 'GetExactSampleRate( hwParams, &defaultSr )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 895 Expression 'GetExactSampleRate( hwParams, &defaultSr )' failed in 'src/hostapi/alsa/pa_linux_alsa.c', line: 895 ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.vc4-hdmi.pcm.front.0:CARD=1' ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM front ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.vc4-hdmi.pcm.surround51.0:CARD=1' ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM surround21 ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.vc4-hdmi.pcm.surround51.0:CARD=1' ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM surround21 ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.vc4-hdmi.pcm.surround40.0:CARD=1' ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM surround40 ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.vc4-hdmi.pcm.surround51.0:CARD=1' ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM surround41 ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.vc4-hdmi.pcm.surround51.0:CARD=1' ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM surround50 ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.vc4-hdmi.pcm.surround51.0:CARD=1' ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM surround51 ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.vc4-hdmi.pcm.surround71.0:CARD=1' ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM surround71 ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.vc4-hdmi.pcm.iec958.0:CARD=1,AES0=4,AES1=130,AES2=0,AES3=2' ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM iec958 ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.vc4-hdmi.pcm.iec958.0:CARD=1,AES0=4,AES1=130,AES2=0,AES3=2' ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM spdif ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.vc4-hdmi.pcm.iec958.0:CARD=1,AES0=4,AES1=130,AES2=0,AES3=2' ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM spdif ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline ALSA lib pcm_oss.c:377:(_snd_pcm_oss_open) Unknown field port ALSA lib pcm_oss.c:377:(_snd_pcm_oss_open) Unknown field port ALSA lib pulse.c:242:(pulse_connect) PulseAudio: Unable to connect: Connection refused

ALSA lib pulse.c:242:(pulse_connect) PulseAudio: Unable to connect: Connection refused

ALSA lib pcm_a52.c:823:(_snd_pcm_a52_open) a52 is only for playback ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.vc4-hdmi.pcm.iec958.0:CARD=1,AES0=6,AES1=130,AES2=0,AES3=2' ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM iec958:{AES0 0x6 AES1 0x82 AES2 0x0 AES3 0x2 CARD 1} ALSA lib pcm_usb_stream.c:486:(_snd_pcm_usb_stream_open) Invalid type for card ALSA lib pcm_usb_stream.c:486:(_snd_pcm_usb_stream_open) Invalid type for card ALSA lib pcm_dmix.c:1075:(snd_pcm_dmix_open) unable to open slave Input device not found! Traceback (most recent call last): File "/home/zero/rpi_ws281x/python/examples/audio-reactive-led-strip/python/visualization.py", line 33, in microphone.start_stream(microphone_update, input_device_index) NameError: name 'microphone_update' is not defined