[mythtv-users] Digital Pass-through Using HDMI

Nick Rout nick.rout at gmail.com
Tue Aug 20 05:39:38 UTC 2013


On Tue, Aug 20, 2013 at 3:04 PM, Jon Heizer <jheizer at gmail.com> wrote:

>
> On Mon, Aug 19, 2013 at 7:41 PM, Jean-Yves Avenard <jyavenard at gmail.com>wrote:
>
>> On 20 August 2013 10:01, Karl Newman <newmank1 at asme.org> wrote:
>>
>> >
>> > Sure there's a solution. If nothing else you could hack the EDID and
>> tell
>> > the kernel to override what's detected from the screen. May not be
>> easy, but
>> > many things are possible in Linux if you're determined enough.
>>
>> Or tell the kernel to completely ignore the ELD (which is what is
>> checked for audio characteristics, not the EDID).
>>
>> Add to etc/modprobe.d/whatever.conf the following options:
>>
>> options snd-hda-codec-hdmi static_hdmi_pcm=1
>>
>> Having said that... if you hear no audio at all, that won't fix
>> anything, this only tells alsa drivers to not restrict the output
>> capabilities.
>> You need to be able to hear something first, only then can you attempt
>> to unlock digital passthrough
>> _______________________________________________
>> mythtv-users mailing list
>> mythtv-users at mythtv.org
>> http://www.mythtv.org/mailman/listinfo/mythtv-users
>>
>
> Also sometimes the TVs can only pass certain formats and not others.  On
> my tv I had to go into the service menus to enable passing DTS for example.
>


A good solution is a USB sound card like turtle beach make. Leave the TV
out of the sound path.
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