No, I don't think so. Was: [vorbis] Vorbis 1.0 binary - Beta4 still the best?

Monty xiphmont at xiph.org
Sun Jul 28 14:01:05 PDT 2002



On Mon, Jul 15, 2002 at 11:59:15PM +0200, Zvezdan Dimitrijevic wrote:
> >> Using a graph to illustrate that rc3/1.0 discards phase
> >> information is not conclusive proof.
> 
> Of course you are right. But, that graphs inspired me to modify some
> numbers in RC3 source code. I changed cutoff frequency for phase
> information from 6 (q2 & q3) to 16 kHz, and after compiling I got the
> RC3 version with I cannot detect a mentioned problem.
> 
> Total length of my samples after -q3 compression is about 20% bigger
> then length of files generated by v1.0 with -q3. It is same as length of
> 1.0 files with -q4,999, but on that quality with that version I can hear
> mentioned phase distortion.

For what it's worth, the option you want *will* be implemented very
soon.  Dual-stereo is easy to turn on in the encoder right now, but
lossless coupling will require some more work in the modes that
currently can't support it at all.

Monty

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