Re: [Audacity-quality] ERB scale

[Paul L. <pau...@gm...>]

Federico Miyara wrot this to me:

The ERB, properly abreviated ERBS (since ERB stands for the bandwidth) is
is another psychoacoustic scale but it is somewhat more restrictive and
idealized than the bark scale. It is expressed in Hz. See
https://ccrma.stanford.edu/~jos/bbt/bbt.pdf

Maybe I misunderstood.

PRL


On Mon, Aug 31, 2015 at 11:00 AM, Peter Sampson <pet...@ya...>
wrote:

> Hi Paul,
>
> I've been doing my best to update the page in the 2.1.2 Manual
> for Spectrograms Preferences:
> http://manual.audacityteam.org/man/Spectrograms_Preferences
>
> I got fairly stuck on the various Scale and Algorithm settings, but
> ploughed
> ahead with Wikipedia as "my friend" - so it *will* need a fair bit of
> editing
> in those two sections.
>
> In particular I note that Wikipedia refers to:
>  "equivalent rectangular bandwidth or ERB"
>
> On this basis it seems to me that perhaps your nomenclature for ERBS
> is tautologous in its use of the final S for scale - i.e. a scale which is
> ERB
> Scale. And thus the  name for this scale might be better as simply "ERB".
>
> And this is an allowably fixable item under semi-freddo.
>
> Peter.
>
> Peter Sampson Tel: +44 (0)1625 524 780
>