[Ffmpeg-devel] Questions about DVD export

[Stefan Frings]

Thanks for that explanation


> DVD Spec says that one track of the possible 8 must be Dolby Digital (AC3)
> or PCM for NTSC DVDs. So considering that PCM is uncompressed "AC3 for
> NTSC" is good for compatibility. As for PAL: Mpeg-Layer2 audio OR AC3 is
> fine for any of the 8 tracks.
>
> So, yes it does make sense as for full compatibility you need an AC3 track
> for NTSC and choosing Mpeg-Layer2 for PAL is probably better as libav AC3
> _may_ not be 100% compliant.