[MEncoder-users] AV sync issues with seperate audio and video encodeing

[Andrew Berg]

ilya kramer wrote:
> and one more simple question , do I need to mention the frame rate to
> MP4Box if I set the same framerate at the audio and at the video
> capture?
Yes. That information is not stored in raw streams. If you don't specify
it, MP4Box defaults to 25 fps for all raw streams (if the stream is
already in a container, MP4Box will use the info in that container).