[mythtv-users] How to get 5.1 dts spdif out from ac3 sources?
allen.p.edwards at gmail.com
Tue Jun 2 06:13:46 UTC 2009
On Mon, Jun 1, 2009 at 9:21 PM, Michael T. Dean <mtdean at thirdcontact.com> wrote:
> On 06/01/2009 11:10 PM, Allen Edwards wrote:
>> On Mon, Jun 1, 2009 at 7:33 PM, Richard Shaw wrote:
>>> On Mon, Jun 1, 2009 at 2:48 PM, Harry Coin wrote:
>>>> My second mistake was setting the 'maximum channels' to 5.1. The
>>>> choice for multichannel digital output is 'stereo'. Why that is correct
>>>> when I actually want and have 5.1 output is confusing.
>>> I'll do my best to answer this part from previous posts I've read. I
>>> this only applies to analog out channels. When using digital audio, you
>>> ever have 2 real channels, it's just that the format (AC3 or DTS)
>>> multiplexes the audio into 5.1 (6) or 6.1 (7) channels. I agree it's
>>> confusing on the surface and I'm not sure that expecting the average user
>>> understand this is a good idea. I haven't messed with it lately but I
>>> that there is often additional info on the bottom of the setup screens. I
>>> wonder if something to this affect could be added to clairify. I suppose
>>> another option would be to add the logic to Myth to have it make the
>>> choice anyway since it must be set to 2 channels for digital audio.
>> The 5.1 option is broken and should never be selected. Read my wiki.
> Better stated, the 5.1 option is meant for /analog/ output *only* as S/PDIF
> is inherently 2-channel (or non-audio) and has no support for 5.1 channels
> (AC-3 and DTS are non-audio data, so channels don't apply).
> Richard's answer is correct.
> mythtv-users mailing list
> mythtv-users at mythtv.org
I know I read in the documentation that this was a feature that was
added but the code didn't work and everyone should just set it for
Stereo. I can't, however, find a reference that states that to share.
Do you have a reference that says it works? I will change my wiki
once I see the details.
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