On Tue, May 29, 2012 at 12:08 PM, Joe <[email protected]> wrote: > On Tue, 29 May 2012 17:55:22 +0100 > Lisi <[email protected]> wrote: > >> Hello, all! >> >> On a new installation of Squeeze the sound is muted. I have checked >> Alsamixer and made sure that master and PCM are not muted, as >> recommended by Claudius. But sound is still muted. >> >> A large part of the problem is that I am a total ignoramus when it >> comes to sound, so although i have launched both Alsamixer and Kmix >> (consecutively, not simultaneously!), I can see nothing wrong. But >> as I don't know what to look for, (other than, thanks to Claudius, >> the 00s in Alsamixer for Master and PCM), that is not surprising. >> >> Where do I look next? And for what do I look? >> > > Probably tutorials on Linux sound... > > Very first question: is the user in the audio group? Absolutely vital. > > Next quick question: do you have more than one sound device e.g. > motherboard and USB sound card? If so, you may be looking at the wrong > one. Start by looking in /proc/asound to see if what's there looks > right, and if there is more than one cardN directory, usually but not > always starting with card0. > > The utility called speaker-test which is in alsa-utils is useful. It > only makes noises, but it's quicker to use than locating an MP3 file > and player, and then wondering whether the player is working. Just type > speaker-test at a prompt and kill it with ctrl-C. > > -- > Joe
BTW, if using USB sound device then care must be taken cause debian always set usb device as non 1st device: /etc/modprobe.d/alsa-base.conf 16 # Keep snd-usb-audio from beeing loaded as first soundcard 17 options snd-usb-audio index=-2 -- Javier. -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/CALUrRGe6P3+8OetvJicTGac=wnxpyd7b5cxw95ptorhnma3...@mail.gmail.com
