[music-dsp] BBE signal processing code?
t.hogers at home.nl
Mon Nov 26 17:18:24 EST 2001
On second thought, think this is the BBE 'big bottom' processing.
The 'normal' BBE effect (sonic maximizer?) is more like
a enhancer of some sort (more highs).
Maybe a high boost depending on high/hi-mid signal levels.
Just guessing though.
From: Theo <t.hogers at home.nl>
> Think 'BBE processing is more common in the music studio than in
> From what I remember from a description of a in a test magazine
> 10 years ago...(also ''unter forbehalt")
> The BBE system boost the bass frequencies IF present.
> In other words; a expander that works on the bass and
> probably low mid (>200hz), but is triggered only by the bass.
> If you just crank up the bass (and low mids) the mix would become "muddy".
> By only boosting the bass when the bass signal exceeds a threshold,
> you make the bass more dynamic and you also keep the mud out.
> As I said, it was a long time ago, I might remember it all wrong.
> Hope this helps,
> From: Matthew Xavier Mora <mxmora at apple.com>
> > My Alpine car audio deck has a magic BBE signal processing button on
> > it and when BBE on the audio sounds much better than when it is off.
> > The manual say something like " BBE signal processing improves the
> > phase response problems that are normally present in car audio
> > environments" or something like that. Does any one know what BBE
> > signal processing does to the signal? Is it really just a bunch of
> > narrow comb filters? Does anyone have any code to a version of this
> > signal processing function?
> > It would be nice to try it on my iMac and my Powerbook.
> > Thanks,
> > Matt
> > dupswapdrop -- the music-dsp mailing list and website: subscription
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> > http://shoko.calarts.edu/musicdsp/
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