Re: OT: on .ogg

----- Original Message -----
From: "Tristan McLeay" <conlang@...>


> On 5 Mar 2005, at 3.36 pm, Sally Caves wrote:
>
>> "tribute money" to the .mp3 corporation to publish their work.  And
>> Vorbis
>> claims the sound is just as good.  And it's free.
>
> 'Vorbis' doesn't claim anything; Ogg Vorbis is just the codec. The
> series of Ogg file formats include Ogg Vorbis (MP3-replacement: a lossy
> audio codec, like JPEG for sound), Ogg Speex (a lossy audio codec
> optimised for speech), Ogg FLAC (lossless audio codec, like PNG for
> sound), Ogg Theora (WMV/QT etc.-replacement: a lossy video codec), Ogg
> Tarkin (another lossy video codec with a significantly different
> algorithm, IIUC) and Ogg Writ (a text codec, for subtitles in videos).
> These different formats all take the extension .ogg, but internally are
> quite different, and just because something supports Ogg Vorbis doesn't
> mean it supports Ogg FLAC (non-standard extensions like .flac or .ogm
> (Ogg media), but are not Approved of, and there's only one officially
> approved MIME type, but a huge number of MIME types are ).
>
> Vorbis and FLAC are relatively popular. Theora has only relatively
> recently been finalised (compared to Vorbis), but I imagine it'll pick
> up eventually.
>
> The people behind Ogg are Xiph.org Foundation.
>
> --
> Tristan.
Yes, Tristan.  I read the literature on it last night.  It explains all
this.
Sally