[vorbis] Re: mp3PRO encoder/decoder demo available

[Paulo Rebêlo]

>Since Vorbis currently sounds better then MP3 at 128kbps even though
>it's not using joint-stereo I think that with JS, Vorbis at 96kbps will
>sound just as good as 128kbps MP3. I bet that the low-bitrate optimized
>Vorbis will sound as good as mp3PRO at any bitrate (or damn near at
-- xx --

Hi,

I tried to get in touch with Vorbis creators- without success. I'm writing 
a piece about Vorbis and I know this is a dumb question but, please, could 
anyone explain me:

What practical difference does joint-stereo in a music file?

Thanks and sorry for my ignorance,
Rebêlo.

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