audio device関係

root@ubuntu-17:/proc/asound# pwd
/proc/asound
root@ubuntu-17:/proc/asound# ls -ltr
合計 0
lrwxrwxrwx 1 root root 5 2010-05-30 17:54 Audigy -> card1

r--r--r-- 1 root root 0 2010-05-30 17:54 version
r--r--r-- 1 root root 0 2010-05-30 17:54 timers
dr-xr-xr-x 2 root root 0 2010-05-30 17:54 seq

r--r--r-- 1 root root 0 2010-05-30 17:54 pcm
dr-xr-xr-x 2 root root 0 2010-05-30 17:54 oss

r--r--r-- 1 root root 0 2010-05-30 17:54 modules
r--r--r-- 1 root root 0 2010-05-30 17:54 hwdep
r--r--r-- 1 root root 0 2010-05-30 17:54 devices
r--r--r-- 1 root root 0 2010-05-30 17:54 cards
dr-xr-xr-x 9 root root 0 2010-05-30 17:54 card1
dr-xr-xr-x 7 root root 0 2010-05-30 17:54 card0
lrwxrwxrwx 1 root root 5 2010-05-30 17:54 CMI8738 -> card0
root@ubuntu-17:/proc/asound# cat cards 
 0 [CMI8738        ]: CMI8738-MC6 - C-Media CMI8738
                      C-Media CMI8738 (model 55) at 0xa000, irq 21
 1 [Audigy         ]: Audigy - Audigy 1 [SB0090]
                      Audigy 1 [SB0090] (rev.3, serial:0x511102) at 0x9000, irq 17
root@ubuntu-17:/proc/asound# cat modules 
 0 snd_cmipci
 1 snd_emu10k1
root@ubuntu-17:/proc/asound# 

$asoundconf list
とか
$sudo asoundconflist set-default-card xxxx
とか
$aplay -l
とか

モジュールの読み込みの順番を変更するには
/etc/modprobe.d/soundあたり？

ま、今日はここまで

追記(20100625)
#lsmod | grep snd
#cat /proc/asound/cards
#amixer

/var/lib/alsa/asound.state < very long line file
とかとか、いろいろありますね