[vorbis] Ogg Voxpop

Firelight Multimedia support at fmod.org
Tue Feb 13 11:50:05 PST 2001



thanks ill use this as a test to try and remove any glitches..

-------------------------
Brett Paterson
Firelight Multimedia
http://www.fmod.org
-------------------------

----- Original Message -----
From: "Gregory Maxwell" <greg at linuxpower.cx>
To: <vorbis at xiph.org>
Sent: Tuesday, February 13, 2001 12:57 PM
Subject: Re: [vorbis] Ogg Voxpop

> On Mon, Feb 12, 2001 at 11:04:41PM -0800, Monty wrote:
> > On Mon, Feb 12, 2001 at 10:13:14PM -0500, Gregory Maxwell wrote:
> >
> > > Vorbis can happily take in a 8.8KHz (or just about any other) sampling
rate
> > > file and act accordingly. If you like to vorbis (make it think it's
> > > chipmunks) you will get HORRIBLE results because the psycoacustic
masking is
> > > highly frequency dependant and vorbis will get the masking all wrong.
> >
> > The masking engine (and the vorbis tools) already know about other
> > sampling rates and behave correctly.  The only thing not tuned for
> > lower sampling rate is preecho control.
>
> Yes, but he suggested lieing to the codec so that it hears the sound at 5x
> speed. I was simply pointing out that you should let the codec know the
> truth so it can do it's job. :)
>
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