[mythtv-users] How to get 5.1 dts spdif out from ac3 sources?

[Steve Hodge]

On Tue, Jun 2, 2009 at 4:21 PM, Michael T. Dean <mtdean at thirdcontact.com>wrote:

> 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).
>

This is correct but confusing to the user. Users don't care (and often don't
know) what S/PDIF carries, they only care about what is output by their
systems and AC3 and DTS are 5.1 (or higher) as far as they are concerned. I
suspect a lot of users assume that the option causes downmixing of AC3/DTS
to stereo. It would be helpful if the option stated that it was intended for
analogue surround output only.

Why does that option interfere with passthrough? From a users point of view
I don't understand why setting it to 5.1 disables passthrough.

Regards,
Steve
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