On Wed, 11 Sep 2002 10:29:07 -0700 (PDT) Shel Ritter
<[EMAIL PROTECTED]> wrote:

> > > The -V switch controls VBR quality from 0-9 right?  I'm wondering
> > > what technically is changed to attain the different levels of
> > > quality.
> > 
> > Algorithms.
> 
> Can you point me to what these algorithms are exactly are, and what
> they address?

You have to read the source (or the comments in the source) for this.

> > > I don't understand the -b frame size switch.  What exactly is a
> > > frame? And how does varying its size affect the quality of the
> > > compressed
> > audio?
> > 
> > VBR/ABR allows to modify the amount of kbit/sec depending on the
> > actual need of the signal. With '-b' you set a minimum bitrate. So
> > if the encoder thinks the actual part of a song can be encoded in
> > 32kbit/sec, but you use '-b 96' he will use 96kbit/sec instead of
> > 32kbit/sec for the actual part.
> 
> Ah... interesting.  I first got invloved with Lame reading the
> documentation that came with the 3.92 package that was a bit outdated
> I find now.  It set me to the r3mix site where I decided that for my

We've improved them... I think this was after 3.92, but I'm not sure...
Can you please go to
http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/lame/lame/doc/html/switchs.html?rev=1.28&content-type=text/vnd.viewcvs-markup
and have a look at actual version?

> > > And can any of the Lame switches be used to override all of the
> > > presets?
> > 
> > --alt-preset modifies some values which can't get modified with
> > other cmmand line switches, so you can't override everything.
> 
> This begs the question, has anyone compiled a list of switches that
> don't work with specific presets, and within what parameters, if some
> parameters are in fact valid considerations?

Every switch does work, but the presets modify values which aren't
accessible by other switches.

Bye,
Alexander.

-- 
      ...and that is how we know the Earth to be banana-shaped.

http://www.Leidinger.net                       Alexander @ Leidinger.net
  GPG fingerprint = C518 BC70 E67F 143F BE91  3365 79E2 9C60 B006 3FE7
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