[alsa-devel] cmipci surround sound front-left plays on lfe

Clemens Ladisch clemens at ladisch.de
Fri Sep 10 09:33:25 CEST 2010

Tom Corner wrote:
>  On 09/10/10 09:10, Clemens Ladisch wrote:
>> Tom Corner wrote:
>>> The surround sound 5.1 is playing fine except channel 0 (front-left)
>>> is playing on the woofer.
>> And the software's front left channel is also playing on the front left
>> speaker?  And the subwoofer channel isn't playing on any speaker?
> No the subwoofer is playing correctly. The front-left is playing *only*
> on the subwoofer.  There is no sound at all coming out of the front-left
> speaker.

In other words, what happens is this?

speaker         output
front L         silence
front R         front R
center          center
bass            mix of front L + bass
surround L      surround L
surround R      surround R

What happens when you run speaker-test with 4 and 2 channels?


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