[mythtv-users] How to get sound out via HDMI

[John P Poet]

On Wed, Mar 8, 2017 at 9:58 AM Ashu Desai <ashu.desai at gmail.com> wrote:

> On Wed, Mar 8, 2017 at 10:42 AM, John P Poet <jppoet at gmail.com> wrote:
>
> On Wed, Mar 8, 2017 at 9:30 AM Ashu Desai <ashu.desai at gmail.com> wrote:
>
> On Wed, Mar 8, 2017 at 9:47 AM, Karl Newman <newmank1 at asme.org> wrote:
>
> On Wed, Mar 8, 2017 at 6:50 AM, Ashu Desai <ashu.desai at gmail.com> wrote:
>
>
> On Wed, Mar 8, 2017 at 7:09 AM, Daryl McDonald <darylangela at gmail.com>
> wrote:
>
>
> On Mar 7, 2017 11:23 PM, "Ashu Desai" <ashu.desai at gmail.com> wrote:
>
>
> On Tue, Mar 7, 2017 at 7:43 PM, Karl Newman <newmank1 at asme.org> wrote:
>
> On Tue, Mar 7, 2017 at 5:16 PM, Ashu Desai <ashu.desai at gmail.com> wrote:
>
>
> So I checked and there is partial success. The audio now does come out via
> HDMI. However, the 5.1 doesn't work.
>
> It somehow thinks only 3 speakers are attached. And so F-L plays on F-L
> speaker. Center plays on F-L speaker. F-R plays on F-R speaker. Rear-L
> plays on F-L speaker and Rear-R plays on F-R speaker.
>
> Pls help...!
>
>
> In the screen shot you showed it also had a selector for the number of
> channels, which was set to 2 channels. Try toggling that and see if it
> improves. Also, there is a command-line tool for alsa called speaker-test
> which can help test your setup independent of MythTV. Try it with
> "speaker-test -c 6" (the 6 is to indicate 6 channels). You may also have to
> specify the device with -D.
>
> Karl
>
>
> Sorry - but that didn't do anything.
>
> the speake-test did the exact same thing. The sound comes out of center
> channel only when it thinks it's trying to go to rear and LFE.
>
> No sound comes at all via the rear speakers
>
>
> I think the speaker test was not supposed to be a solution in itself but a
> way to quickly test wether a change that you've just made in sound settings
> is better or worse.
>
>
>
>
>
> Yep - I meant that showed the same thing. No change there.
>
> So as it stands - the sound isn't coming out of any back speakers and not
> coming out right from the front speakers.
>
>
> Are your receiver/amplifier settings correct *for that input*? Is there
> any way to see how many channels your receiver thinks it is getting from
> the HDMI? (Mine shows a diagram with the active speaker channels lit up).
>
> Karl
>
>
> My receiver is set for HDMI - and the input shows all the channels. the
> output diagram only shows the front ones - F-L, Center, F-R lit up
>
> And like I said - the center sound comes off the F-L, R-L comes off
> center, LFE comes off F-R, etc
>
> Is there any setting in alsa where it's supposed to be changed? Anywhere
> in drivers?
>
>
> I have not been following this discussion so I apologize if this has
> already been covered, but in mythfrontend you have gone into "Setup ->
> Setup Wizard -> Next ...", right?
>
> John
>
>
>
>
> John
> That's just a one stop shop I believe. You can go directly to Audio part
> if that's all you want to set up. I don't need changing my Video portion.
> But I tried that as well. It's the same thing.
>

I find the Setup Wizard to be easier to use when configuring audio.  It
readily shows you if the audio device you are testing is even capable of
doing Dolby Digital, or DTS.  But, if you have already tried it, than it is
a moot point anyway.

John
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