Sorry for arriving late, Mr. ael. The email of Mr. McCoy was sent my Gmailbox. The last one wasn't. Mr. McCoy didn't return. So I thought that that Laptop User group had dropped the issue. My bad. Your directions: All data regarding outputs on commands are in the given Debian Forum Post mentioned earlier, in the post: https://lists.debian.org/debian-laptop/2021/03/msg00011.html You could relocate/find it from https://lists.debian.org/debian-laptop/2021/03/threads.html#00019 /proc/asound$ ls -lR .: total 0 dr-xr-xr-x 7 root root 0 Mar 25 18:37 card0 -r--r--r-- 1 root root 0 Mar 25 18:37 cards -r--r--r-- 1 root root 0 Mar 25 18:37 devices -r--r--r-- 1 root root 0 Mar 25 18:37 hwdep -r--r--r-- 1 root root 0 Mar 25 18:37 modules dr-xr-xr-x 2 root root 0 Mar 25 18:37 oss lrwxrwxrwx 1 root root 5 Mar 25 18:37 PCH -> card0 -r--r--r-- 1 root root 0 Mar 25 18:37 pcm dr-xr-xr-x 2 root root 0 Mar 25 18:37 seq -r--r--r-- 1 root root 0 Mar 25 18:37 timers -r--r--r-- 1 root root 0 Mar 25 18:37 version ./card0: total 0 -r--r--r-- 1 root root 0 Mar 25 18:37 codec#0 -r--r--r-- 1 root root 0 Mar 25 18:37 codec#2 -rw-r--r-- 1 root root 0 Mar 25 18:37 eld#2.0 -rw-r--r-- 1 root root 0 Mar 25 18:37 eld#2.1 -rw-r--r-- 1 root root 0 Mar 25 18:37 eld#2.2 -r--r--r-- 1 root root 0 Mar 25 18:37 id dr-xr-xr-x 3 root root 0 Mar 25 18:37 pcm0c dr-xr-xr-x 3 root root 0 Mar 25 18:37 pcm0p dr-xr-xr-x 3 root root 0 Mar 25 18:37 pcm3p dr-xr-xr-x 3 root root 0 Mar 25 18:37 pcm7p dr-xr-xr-x 3 root root 0 Mar 25 18:37 pcm8p ./card0/pcm0c: total 0 -r--r--r-- 1 root root 0 Mar 25 18:37 info dr-xr-xr-x 2 root root 0 Mar 25 18:37 sub0 ./card0/pcm0c/sub0: total 0 -r--r--r-- 1 root root 0 Mar 25 18:37 hw_params -r--r--r-- 1 root root 0 Mar 25 18:37 info -rw-r--r-- 1 root root 0 Mar 25 18:37 prealloc -r--r--r-- 1 root root 0 Mar 25 18:37 prealloc_max -r--r--r-- 1 root root 0 Mar 25 18:37 status -r--r--r-- 1 root root 0 Mar 25 18:37 sw_params ./card0/pcm0p: total 0 -r--r--r-- 1 root root 0 Mar 25 18:37 info dr-xr-xr-x 2 root root 0 Mar 25 18:37 sub0 ./card0/pcm0p/sub0: total 0 -r--r--r-- 1 root root 0 Mar 25 18:37 hw_params -r--r--r-- 1 root root 0 Mar 25 18:37 info -rw-r--r-- 1 root root 0 Mar 25 18:37 prealloc -r--r--r-- 1 root root 0 Mar 25 18:37 prealloc_max -r--r--r-- 1 root root 0 Mar 25 18:37 status -r--r--r-- 1 root root 0 Mar 25 18:37 sw_params ./card0/pcm3p: total 0 -r--r--r-- 1 root root 0 Mar 25 18:37 info dr-xr-xr-x 2 root root 0 Mar 25 18:37 sub0 ./card0/pcm3p/sub0: total 0 -r--r--r-- 1 root root 0 Mar 25 18:37 hw_params -r--r--r-- 1 root root 0 Mar 25 18:37 info -rw-r--r-- 1 root root 0 Mar 25 18:37 prealloc -r--r--r-- 1 root root 0 Mar 25 18:37 prealloc_max -r--r--r-- 1 root root 0 Mar 25 18:37 status -r--r--r-- 1 root root 0 Mar 25 18:37 sw_params ./card0/pcm7p: total 0 -r--r--r-- 1 root root 0 Mar 25 18:37 info dr-xr-xr-x 2 root root 0 Mar 25 18:37 sub0 ./card0/pcm7p/sub0: total 0 -r--r--r-- 1 root root 0 Mar 25 18:37 hw_params -r--r--r-- 1 root root 0 Mar 25 18:37 info -rw-r--r-- 1 root root 0 Mar 25 18:37 prealloc -r--r--r-- 1 root root 0 Mar 25 18:37 prealloc_max -r--r--r-- 1 root root 0 Mar 25 18:37 status -r--r--r-- 1 root root 0 Mar 25 18:37 sw_params ./card0/pcm8p: total 0 -r--r--r-- 1 root root 0 Mar 25 18:37 info dr-xr-xr-x 2 root root 0 Mar 25 18:37 sub0 ./card0/pcm8p/sub0: total 0 -r--r--r-- 1 root root 0 Mar 25 18:37 hw_params -r--r--r-- 1 root root 0 Mar 25 18:37 info -rw-r--r-- 1 root root 0 Mar 25 18:37 prealloc -r--r--r-- 1 root root 0 Mar 25 18:37 prealloc_max -r--r--r-- 1 root root 0 Mar 25 18:37 status -r--r--r-- 1 root root 0 Mar 25 18:37 sw_params ./oss: total 0 -r--r--r-- 1 root root 0 Mar 25 18:37 devices -r--r--r-- 1 root root 0 Mar 25 18:37 sndstat ./seq: total 0 Were you talking of card0 while talking about cardn? While files do you want to peruse more? Just inform and I shall upload them. The alsa-info file is attached herewith for your kind perusal. I am not sure if attachments are allowed. I shall post the file on Google drive folder separately: https://drive.google.com/drive/folders/1RbbUFAl-vSMDuLjUCY_EaBjlhzWfujvO/ I had also posted a query at: https://www.mail-archive.com/alsa-user@lists.sourceforge.net/msg33005.html I got a code I received from Mr. Alan Corey privately for recording sound. I didn't understand the last line, so I didn't use the script yet. sox -t alsa plughw:2,0,0 --norm=0 -r 44100 -b 16 -c 2 -V1 -e signed \ au_$adate.wav trim 0 4:50 I have no reservations regarding uninstalling pulseaudio, if you want me to. But pulseaudio is an extraordinary tool. I would like to rectify the system so that I could use it, rather than not Thank you for taking up my issue. Regards. Rajib
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