[mythtv-users] Lip sync issue (audio is behind video)

John Pilkington J.Pilk at tesco.net
Sat Jan 7 16:33:17 UTC 2017


On 07/01/17 16:04, Jan Ceuleers wrote:
> Dear list,
>
> I recently added a sound bar to my TV. It is connected to the TV by
> means of an optical cable. The TV's volume is turned all the way down.
> Audio is now around half a second behind (i.e. later than) video. The
> signal comes from the frontend via HDMI.
>
> There was already a delay before I added the sound bar, but it's now
> become much more noticeable.
>
> My TV has the ability to delay audio relative to video, but of course in
> my case that just makes the problem worse rather than better.
>
> I have the same problem (although much less pronounced) when I watch
> live TV by means of the cable STB which is connected to another of the
> TV's HDMI inputs, so it seems that my problem has two components: part
> of the delay when I watch recordings is caused in the frontend, and the
> TV then makes it worse by adding a further delay when passing the audio
> through to the optical output towards the sound bar.
>
> The frontend's component is not caused by recordings already having the
> delay because the issue also occurs when I play back my ripped DVDs.
>
> I'm on Ubuntu 12.04 and mythtv 0.27-fixes. Please let me know what other
> information is needed.
>
> I'd be grateful for any hints.
>
> Cheers, Jan

When watching, hit M (menu) > Audio > Adjust audio sync

I suppose thai setting will be remembered, but I haven't checked.




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