[mythtv-users] Sound track overwhelmingly the dialog (HD sound)

[Michael T. Dean]

On 10/11/2007 02:58 AM, Jon Boehm wrote:
> I'm running alsa digital audio out to a 5.1 receiver.  Tonight I 
> recorded Bionic Women in HD off of NBC.  The audio track was Dolby 
> Digital but I couldn't understand 1/2 the scenes because the music sound 
> track volume totally drowned out the dialog.  Has anyone seen this 
> problem before.  ABC was fine but NBC was unwatchable.  The commercials 
> during the Bionic Women were fine but the show it self had problems.
>
> I assume this was problem with the feed but I wanted to confirm before 
> calling to complain.

The important configuration issue, here, is whether you're using AC-3
passthrough.  If so, the receiver is to blame/must be configured to
increase center-channel volume.  The /only/ way Myth could be at all to
blame is if you're not using passthrough.  In that case, Myth is
decoding the AC-3 and downmixing to 2-channel stereo.

Mike