[NBLUG/talk] requesting help with amixer

[E Frank Ball III]

On Wed, Feb 06, 2013 at 06:20:21PM -0800, jezra wrote:
 > I'm trying to use amixer to set the audio volume on a Raspberry Pi. If
 > I run "amixer set PCM 40%", the volume is adjusted to 40% of the
 > current volume value, and when I run "amixer set PCM 40" the volume is
 > set to 87. Does anyone have some pointers on using amixer?

syntax seems to vary between linux versions and distributions.
For Ubuntu 12.04 I'm using this:

 amixer set Master Front 2dB-
 amixer set Master Front 2dB+

-- 

  Frank Ball  frankb at frankb.us