[Ffmpeg-devel] Questions about DVD export

Stefan Frings stefan
Wed Jul 6 00:50:35 CEST 2005

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.

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