Alsa audio Connection refused

[oskar18j]

HI i just keep getting this error

ALSA lib pcm_dmix.c:1075:(snd_pcm_dmix_open) unable to open slave
connect(2) call to /dev/shm/jack-0/default/jack_0 failed (err=No such file or directory)
attempt to connect to server failed
connect(2) call to /dev/shm/jack-0/default/jack_0 failed (err=No such file or directory)
attempt to connect to server failed
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 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
connect(2) call to /dev/shm/jack-0/default/jack_0 failed (err=No such file or directory)
attempt to connect to server failed

Edit:
also sometimes i get this one

sudo python3 visualization.py scroll
ALSA lib pcm_dsnoop.c:638:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_dmix.c:1075:(snd_pcm_dmix_open) unable to open slave
connect(2) call to /dev/shm/jack-0/default/jack_0 failed (err=No such file or directory)
attempt to connect to server failed
connect(2) call to /dev/shm/jack-0/default/jack_0 failed (err=No such file or directory)
attempt to connect to server failed
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 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
connect(2) call to /dev/shm/jack-0/default/jack_0 failed (err=No such file or directory)
attempt to connect to server failed
Traceback (most recent call last):
File "/home/pi3b/dancyPi-audio-reactive-led/python/visualization.py", line 368, in
microphone.start_stream(microphone_update)
File "/home/pi3b/dancyPi-audio-reactive-led/python/microphone.py", line 10, in start_stream
stream = p.open(format=pyaudio.paInt16,
File "/usr/lib/python3/dist-packages/pyaudio.py", line 750, in open
stream = Stream(self, *args, **kwargs)
File "/usr/lib/python3/dist-packages/pyaudio.py", line 441, in init
self._stream = pa.open(**arguments)
OSError: [Errno -9996] Invalid input device (no default output device)

[ulugeyik]

I have the same problem in "bullseye". I believe it is because bullseye uses "pulse audio" instead of ALSA and there are some comments that appear to indicate it should work in the standard branch but no luck for me.