[MEncoder-users] low quality decrypt

Phil Ehrens phil at slug.org
Wed Sep 21 20:20:42 CEST 2005


Pete Davis wrote:
> > 
> > You may for example do -oac mp3lame -lameopts vbr=3:aq=9 on first pass
> > to reduce the amount of time sucked up by the mp3 encoding.
> > 
> > 
> 
> Guillame, I don't know about the inner workings of mencoder, but almost
> EVERY encoding I've done for the past several months has had -oac copy for
> the first pass and -oac mp3lame ... for the second pass. This includes
> mpeg-2 to mpeg-4 conversion from my hauppauage capture card, DVD to mpeg-4
> encodings, as well as mpeg-4/AC3 to mpeg-4/MP3 encodings.
> 
> I have never once experienced audio-video desync with any of my conversions
> using this method.
> 
> That's not to say it's not possible. I'm sure you know better than I. But I
> have never experienced it over a pretty wide range of encodings.

Same here. I have done this with all sorts of material and
never had sync issues... and I usually scale, change the
frame rate, and hardsub when I encode. Perhaps there are
some filters that are troublesome?




More information about the MEncoder-users mailing list