On Tue, Mar 19, 2013 at 08:15:41PM +0100, Tim Goetze wrote:
There is a much more important (in some use cases) feature of
this form: you can change 'w' (cutoff frequency c.q. settling
time) instantly without introducing transients into the signal.
Doing this with a biquad would generate a step in the output.
So it's the ideal form for a 'voltage controlled' filter.
In fact the famous 'Moog ladder' is just the same but using
four first order sections instead of two.
A world of exhaustive, reliable metadata would be an utopia.
It's also a pipe-dream, founded on self-delusion, nerd hubris
and hysterically inflated market opportunities. (Cory Doctorow)
Linux-audio-dev mailing list