[MEncoder-users] Audio sync problem

[belcampo]

Owen Williams wrote:
> Hello,
>   I'm having a problem with audio sync.  I record Freeview in the UK.  I
> want to convert everything to two formats mp4/h.264/aac formats:
> 
> o 1024x576 Main 3.1
> o 640x480 Baseline 3.0
> 
> To be played primary through a flash player but also from
> mplayer/vlc/quicktime or equivalent on a PC.
> 
> Freeview can/will have multiple aspect ratios in the recording so no
> matter what which format I'd like to have the picture centered in the
> image with appropriate black borders for that aspect ratio at that
> moment in the stream.
I don't think that is possible. AFAIK all encoders detect aspect ratio 
and use that from start till end. If you want 4:3 in 16:9 aspect you'll 
have to add blackborders explicitely.

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