[theora] ogg, ogm or mkv

[xiphmont at xiph.org]

On Mon, May 18, 2009 at 7:34 AM, ogg.k.ogg.k at googlemail.com
<ogg.k.ogg.k at googlemail.com> wrote:
>> Matroska has support for chapters, in-file subtitles of different formats,
>> multiple (multi-channel) [vorbis] audio tracks (with language identifiers)
>> and
>> has lower file-format overhead than ogg.
>
> Ogg has always (*) had support for multiple audio tracks (whether
> Vorbis or other), language identifiers in the LANGUAGE tag in each
> stream's Vorbis comment packet, and new support for subtitles
> (both text and image) (and multiple tracks of them too).
>
> Tool support for creation might well be suboptimal, true.
>
> (*) as a first approximation, and probably a second too, but I'm
> no Ogg historian.

The primary difference in my mind is that Ogg was always intended as a
linear-presentation container (with some seeking), whereas Matroska
was designed to be nonlinear.

Monty