raspberry pi sound (raspian) as well as device list

here is a site on elinux which has a list of tested peripherals for the rpi


http://elinux.org/RPi_VerifiedPeripherals

Also a site with notes on how to install and get sound going on raspian.  you need to install alsa and a driver to do so.

http://learn.adafruit.com/playing-sounds-and-using-buttons-with-raspberry-pi/install-audio

copied below for reference:

With the Pi connected to the Internet and SSH'ed in (see our previous tutorial) install the alsa audio drivers and MP3 Player

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$ sudo apt-get install alsa-utils
$ sudo apt-get install mpg321

Reboot the Pi (% reboot) and when it comes back up, load Sound Drivers and Setup for 3.5mm Jack Output

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$ sudo modprobe snd-bcm2835
$ sudo amixer cset numid=3 1