[mythtv-users] audio - channel mixup with dolby 5.0 source

Phil Wild phil at holobyte.com.au
Sun Dec 27 08:29:49 UTC 2015


What is your playback device? Would it be an early model nvidia ION atom
based motherboard?

If so, there is a workaround... You need to remap the channels. This is my
/etc/asound.conf file.

pcm.!hdmi {

      type plug

      slave.pcm {

              type hw

              card 0

              device 3

      }

}


pcm.hdmi-remap {

       type route

       slave.pcm hdmi

       ttable.0.0 1

       ttable.1.1 1

       ttable.2.4 1

       ttable.3.5 1

       ttable.4.2 1

       ttable.5.3 1

       ttable.6.6 1

       ttable.7.7 1

}


pcm.!default {

type plug

slave.pcm hdmi-remap

}



On Sun, Dec 27, 2015 at 12:30 PM Jeremy Jones <jeremy.dwain.jones at gmail.com>
wrote:

> Hey guys,
> When I play a particular movie (not a recording) the center channel sound
> (voices) comes out the left rear speaker. I first thought it was an issue
> with the mkv file I made from the dvd (That I own), but then I tried
> playing the dvd using mythtv, and I got the same result. When I try
> playback of the dvd in my dvd player, then the audio is correct.
>
> In VLC it seems to play back correctly, though I'm not entirely certain
> that it's not just playing it back in stereo (2 channel)
>
> Also, when selecting the audio track in mythtv, it labels the track as
> 5.1ch, not as 5.0ch, which it is.
>
> What I would like to do, it rip the dvd to the video library and have the
> audio playback right. Any help would be greatly appreciated.
>
> I am running mythbuntu 14.04 with mythtv 0.27-fixes.
>
> Jeremy
>
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