[mythtv-users] Judder free playback with mythtv

[Christopher Kerr]

On Sat, Jun 12, 2010 at 6:58 AM, belcampo <belcampo at zonnet.nl> wrote:
>> On a side note, do people often encounter A/V sync issues doing this?
>> Presumably because the TV is now doing the scaling I get a constant
>> lag of about 40ms of video behind audio.
>
> How are you able to determine if sound is 40ms, 1-frame at 25fps, earlier than
> video ?

Presumably by noticing that it seems wrong, adjusting the sync until
it seems right, and noting that he's adjusted it to 40ms?

I'm not sure WHY it's so obvious, but in my experience 70ms is horrid,
50ms is bad and 40ms is noticeable.

- Chris