Poking around the soundcards with a stick

my_soundcards_1.log

user@pc:~$ cd /proc/asound/
user@pc:/proc/asound$ ls -alh
total 0
dr-xr-xr-x  23 root root 0 мар 25 10:03 .
dr-xr-xr-x 371 root root 0 мар 25 10:03 ..
lrwxrwxrwx   1 root root 5 апр  7 01:29 C920 -> card3
dr-xr-xr-x   9 root root 0 апр  7 01:28 card0
dr-xr-xr-x  22 root root 0 апр  7 01:29 card1
dr-xr-xr-x   9 root root 0 апр  6 23:04 card2
dr-xr-xr-x   8 root root 0 апр  7 01:29 card3
-r--r--r--   1 root root 0 апр  7 01:29 cards
-r--r--r--   1 root root 0 апр  7 01:29 devices
-r--r--r--   1 root root 0 апр  7 01:29 hwdep
lrwxrwxrwx   1 root root 5 апр  7 01:29 Intel -> card0
-r--r--r--   1 root root 0 апр  7 01:29 modules
lrwxrwxrwx   1 root root 5 апр  7 01:29 NVidia -> card1
dr-xr-xr-x   4 root root 0 апр  7 01:29 oss
-r--r--r--   1 root root 0 апр  7 01:29 pcm
dr-xr-xr-x   6 root root 0 апр  7 01:29 seq
-r--r--r--   1 root root 0 апр  7 01:29 timers
lrwxrwxrwx   1 root root 5 апр  7 01:29 USB -> card2
-r--r--r--   1 root root 0 апр  7 01:29 version
user@pc:/proc/asound$ cat cards
 0 [Intel          ]: HDA-Intel - HDA Intel
                      HDA Intel at 0xf9ff8000 irq 30
 1 [NVidia         ]: HDA-Intel - HDA NVidia
                      HDA NVidia at 0xfbcfc000 irq 17
 2 [USB            ]: USB-Audio - E-MU Tracker Pre | USB
                      E-MU Systems, Inc. E-MU Tracker Pre | USB at usb-0000:00:1d.7-4.1.1, high speed
 3 [C920           ]: USB-Audio - HD Pro Webcam C920
                      HD Pro Webcam C920 at usb-0000:00:1d.7-4.1.2, high speed
user@pc:/proc/asound$ cat /proc/asound/card0/codec#0 | grep rates
    rates [0x7ff]: 8000 11025 16000 22050 32000 44100 48000 88200 96000 176400 192000
    rates [0x7e0]: 44100 48000 88200 96000 176400 192000
    rates [0x7e0]: 44100 48000 88200 96000 176400 192000
user@pc:/proc/asound$ cat /proc/asound/card1/codec#0 | grep rates
    rates [0x0]:
    rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
    rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
    rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
    rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
user@pc:/proc/asound$ cat /proc/asound/card2/codec#0
cat: /proc/asound/card2/codec#0: No such file or directory
user@pc:/proc/asound$ cat /proc/asound/card3/codec#0
cat: /proc/asound/card3/codec#0: No such file or directory
user@pc:/proc/asound$