SV: [speex-dev] Speex modes

[Steve Underwood]

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.

Regards,
Steve

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