[mythtv-users] Simultaneous AC3/DTS passthrough & stereo analog output
Michael T. Dean
mtdean at thirdcontact.com
Tue Oct 23 20:09:22 UTC 2007
On 10/23/2007 03:13 PM, Ryan Steffes wrote:
> On 10/23/07, Gary Dawes <gary.dawes at gmail.com> wrote:
>> I'm in a similar boat. I'd like to have analogue to the TV, as now for run
>> of the mill programmes such as the Wifey's soaps etc, and be able to have
>> AC3 piped over digital to the receiver when I'm watching a video or DVD.
>> Like you bob, I have googled extensively. I have also followed the guides on
>> knoppmythwiki and the general myth wiki, which suggest that it is possible,
>> but the examples shown do not work for me. I have a gigabyte MB with a
>> nforce2 chipset.
>> If anybody has got this working, example configs so the various solutions
>> can be compared would be very useful.
> You should be able to accomplish yours with just the built in
> functionality in MythTV, although you may need to move to SVN (Is the
> ability to add a separate audio device for AC3 pass through in the
> release builds yet?).
Yes it's in 0.20.x (including -fixes). It's:
Passthrough output device
Audio output device to use for AC3 and DTS passthrough. Default is the
same as Audio output device. This value is currently only used with ALSA
> In current SVN, you'd only need to set one
> device for regular sound, such as ALSA:analog (if you use the asoundrc
> from the wiki) and your digital device ALSA:digital for AC3 pass
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