[LAU] Audacity strange behavior

Folderol folderol at ukfsn.org
Sat Nov 15 13:13:43 EST 2008


On Tue, 11 Nov 2008 22:16:56 +0100
Fons Adriaensen <fons at kokkinizita.net> wrote:

> On Tue, Nov 11, 2008 at 08:39:52PM +0000, Folderol wrote:
> 
> > The default sample format is indeed 32 bit float, but is selectable as
> > 16 or 24bit integer as well.
> > 
> > Also dither can be 'None' 'Rectangle' 'Triangle' and most interestingly
> > 'Shaped'. Guess what, out-of-the box default is for 'Shaped'.
> 
> The code is based on Jack's but implemented quite differently.
>  
> > I'll do a few more tests myself, but I'm rather of the opinion that
> > I've just stirred up a non-issue.
> 
> I don't think so...
> 
> I just ripped Audacity's dither code and put it in a simple
> jack app to test it. Things seem OK... The 'shaped' spectrum
> is not entirely what I expected, but it's quite different and
> *way* lower than what I measused on you files.
> 
> There must be something else going on...
> 
> Caio,
> 
I haven't had time yet, but I will put a bug report together for
audacity with all these points included.

-- 
Will J Godfrey
http://www.musically.me.uk



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