[MEncoder-users] audio sync

[Nico Sabbi]

listman wrote:

>>On Sat, 27 Jan 2007 19:04:09 -0800 (PST)
>>"listman" <listman at nerdherdclan.com> wrote:
>>
>>    
>>
>>>Is there any way to correct the sync on audio correctly?
>>>      
>>>
>>Yes.
>>    
>>
>Is there a works on all dvd's fix or is it a per dvd fix.
>I have read through the faq's and the docs and tried everything I have
>been able to find that has to do with audio sync. I have tried different
>codec and everything on syriana and have not been able to sync the audio.
>The movie sucks but it has the worst sync I have found so I use it for all
>my testing. Here is what I'm using to rip it
>
>mencoder -mc 0 -noskip -aid 128 -oac lavc -ovc lavc -of mpeg -mpegopts
>format=dvd -vf scale=720:480,harddup -srate 48000 -af lavcresample=48000
>-lavcopts
>vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=5000:keyint=18:aspect=16/9:
>acodec=ac3:abitrate=192 -ofps 30000/1001 -o MOVIENAME.mpg dvd://1
>
>What could I change to help the sync, does 2 pass do anything for audio sync?
>  
>
you are calling for disasters with that script: -mc 0 -noskip disables 
mencoder's
synchronization code.
Best results can usually be obtained without them and adding -demuxer lavf;
btw, I always recommend to use -mpegopts format=dvd:tsaf.
2-pass mode doesn't affect audio sync