[vorbis] Congratulations and a question

Michael Smith msmith at labyrinth.net.au
Wed Jul 24 18:54:45 PDT 2002



At 05:30 PM 7/24/02 -0500, you wrote:
>Congratulations on inclusion in the Real Helix thing. :-)
>
>I do have a question, however.  While I am very impressed by Vorbis 1.0's  
>quality even down to "-1", vorbis seems very much a VBR format, which is 
>great if the file lives on your hard drive, but a mixed bag for streaming 
>over a modem connection.  How well does Vorbis compare to existing streaming 
>formats, including Real's native ones?

Pretty much every psychoacoustic audio format in existence is natively VBR,
like vorbis. They just fake it so they appear to be CBR sometimes :-)
Vorbis can do this too - the encoder can (though it won't by default) use
constrained bitrates (you can make it CBR - but more usefully for streaming,
you can also do things like setting a maximum bitrate for the encoder to
use).

Michael

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