SV: [speex-dev] Speex modes

Steve Underwood steveu at
Sun Oct 13 18:06:01 PDT 2002

Hi Jean-Marc,

Jean-Marc Valin wrote:

>Well, I don't know what SBR is, but there's something in the wideband
>mode that may be similar: It's possible to encode the whole 4-8 kHz band
>with just ~1-2 kbps by only encoding the (LPC) shape of the spectrum and
>then just filling that band with "something that makes sense". Quality
>is quite reasonable
Ask your new colleagues on Vorbis :-)

SBR (standard bit rate .... oops, try again.... spectral band 
replication) is the main (only?) thing that separates MP3-Pro from plain 
old MP3.


<p>--- >8 ----
List archives:
Ogg project homepage:
To unsubscribe from this list, send a message to 'speex-dev-request at'
containing only the word 'unsubscribe' in the body.  No subject is needed.
Unsubscribe messages sent to the list will be ignored/filtered.

More information about the Speex-dev mailing list