On Thu, Sep 07, 2006 at 08:57:02PM +0100, Richard Melville wrote:
Please can somebody help. I've reached the stage of desperation. I've
compiled the via drivers and alsa into the kernel and installed the alsa
library, plug-ins, utilities and alsa oss. I've run the speaker-test and
played a wav file and everything on the terminal screen looks good. I
have not been able to get any failures, but I still cannot get any sound
from the speakers. I've tested the speakers and cable on another box
and they are good. Does anybody know what the problem could be? It must
be something simple that's eluding me.
Sound is like that, I'm afraid. If you try to play through a
driver for which the hardware is not present, I'm not sure if they
all report errors, so perhaps you have the wrong driver - has sound
ever worked on this hardware ?
Non-software possibilities - input on amp not connected or not
selected, speaker cables fell out of amp (I've had both of those),
amp turned down too far.
Alsa possibilities - a 'hidden' control which is muted (some
drivers have more controls than fit on the screen, and everything
defaults to off and muted). For testing, it can help to set
everything to unmuted and fairly high level, but it depends how
sensitive your amp is - you may need to be ready to turn down a
physical volume control.
There can also be 64/32 or endian issues with obscure combinations
of hardware and sound cards, but those usually lead to either error
messages or aplay taking a persistent 100% cpu.
--
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