[alsa-devel] [PATCH 0/4] Intel HDMI audio fixes

[Takashi Iwai]

At Wed, 11 Feb 2009 14:54:48 -0800,
Shane W wrote:
> 
> On Wed, Feb 11, 2009 at 11:42:00PM +0100, Takashi Iwai wrote:
> > At Wed, 11 Feb 2009 14:32:41 -0800,
> > Shane W wrote:
> > > missing.  The order in the wav is:
> > > front left
> > > centre
> > > front right
> > > rear left
> > > rear right
> > > sub buz
> > 
> > The order assumed here doesn't match with ALSA mapping.
> > In ALSA,
> >   front left
> >   front right
> >   rear left
> >   rear right
> >   center
> >   LFE
> 
> Sorry I meant the spoken order, I've no idea what the
> channel mapping of a 6 channel wav is.
> 
> > Better to test with speaker-test program whether the mapping is
> > correct.
> 
> Ah didn't know about this program.  Ok results with:
> speaker-test -D hw:0,3 -s n
> where n ranged from 0 to 6
> 
> -s 1 speaker-test says front left actual is front left
> likewise with -s 2 for front right
> -s 3 speaker-test says should be rear left actual is lfe
> that is the sound came from lfe
> -s 4 speaker-test says rear right actual is centre
> -s 5 speaker-test says centre actual was rear left
> and -s 6 speaker-test says lfe actual is rear right

Thanks.  Also make sure that you pass -c 6 option.


Takashi