[mythtv] [mythtv-commits] Ticket #1608: Proper Handling of Alsa AC3-PassThru

Steven Adeff adeffs.mythtv at gmail.com
Wed Apr 5 02:21:57 UTC 2006


On 4/4/06, Richard Dale <richard at interlink.com.au> wrote:
> What would be nice as a future feature is allow transcoding of say an AC3
> 2.0 Dolby Prologic (Surround) encoded audio stream into an AC3 5.1 Dolby
> Digital stream/DTS 5.1stream.
>
> Why:
> In Australia, most of the DVB-T is broadcast as AC3 2.0 - a complete waste
> of my 5.1 system when the stream includes rear effect speaker, and requires
> lots of extra button pushing to workaround.
>
> When I watch a normal TV recording, I have to change my Amplifier to a Dolby
> Prologic mode.
> When I watch a normal TV music-related recording, I have to change my
> Amplifier to Stereo (or Automatic mode)
> When I listen to music I have to set my Amplifier to Stereo (or Automatic
> mode)
> When I watch a DVD I have to my Amplifier to Stereo (or Automatic mode)
> When I watch a Video (Mythvideo) I have to change my Amplifier to a Dolby
> Prologic mode.
>
> What would be nice:
> Sound is automatically transcoded (hopefully real-time) to the way I want to
> listen to it.
>
> A closed-source resource in this area is:
> http://hypercube.is.dreaming.org/
>
> Cheers,
> Richard.

the fellow that wrote the code that allows timstretch to work with AC3
said that doing this should not be an issue with the code he wrote,
its just a matter of putting it all together for this. It just takes a
dev to put a patch together.

--
Steve


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