[alsa-devel] Trying to figure out what went wrong with my HDMI.

Clemens Ladisch clemens at ladisch.de
Wed Dec 17 09:03:35 CET 2008


Mark Jenks wrote:
> On Tue, Dec 16, 2008 at 7:24 AM, Clemens Ladisch <clemens at ladisch.de> wrote:
> > Use "plughw:0,3" instead of "hw:0,3".
>
> What is the difference?

Plughw automatically converts to a sample format that the device
supports.

> And why did hw:0,3 work before?

Probably your old hardware did support mono playback.

> If I want to use it in Myth, would it be ALSA:plughw:0,3 then?

Yes.  (It is possible that Myth can do resampling and channel rerouting
by itself; in this case, hw would also work.)


HTH
Clemens


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