[mythtv-users] Transcoding SD MPEG2 to H.264---recommendations?

[James Courtier-Dutton]

On 30 November 2010 00:43, Nick Rout <nick.rout at gmail.com> wrote:
> On Tue, Nov 30, 2010 at 1:37 PM, D. R. Newman
> <d.r.newman at e-consultation.org> wrote:
>> On 29/11/10 18:54, f-myth-users at media.mit.edu wrote:
>>> I considered that, but c'mon.  It was just a normal PVR-250 recording
>>> from an STB.  It plays just fine.  It seems unlikely that every other
>>> frame (on average) has an error in it.
>>
>> It is unlikely to get that many errors. In my experience, ProjectX
>> normally picks up half a dozen errors in a 30-min DTV programme recorded
>> from a digital terrestrial (Freeview). Some of those errors were in the
>> transmitted programme, some come from the reception.
>>
>> Most digital video players are written to tolerate lots of errors, but
>> still keep on playing. Encoders are not. Indeed, I started passing
>> everything through ProjectX when a particular version of Avidemux
>> stopped on the first error it found.
>>
>> Dave Newman
>
> +1 for ProjectX. I often had problems with audio sync when transcoding
> files with avidemux, but running through ProjectX first then avidemux
> makes a good file very time.

Yes, me too. Why is it that avidemux messes with the audio sync, even
when I am using the "copy" options for audio and video?