[linux-audio-dev] PTAF link and comments

[Steve Harris]

On Wed, Feb 05, 2003 at 01:51:03 +0200, Sami P Perttu wrote:
> > You still need WET and DRY, even if you have mixing.
> 
> True... sorry, I have confused DRY with the value (not control) that tells
> what to multiply previous output buffer contents with. The host cannot do
> that if more than two output buffers are the same. DRY, on the other
> hand, is supposed to be the input gain. WET and DRY actually have nothing
> to do with mixing in this context - wouldn't the user rather provide them?

Yes, it might be nice to hint them, but its not neccesary.

> > Linear pitch (logartihmic frequency) is just what people expect. When you
> > modulte the cutoff of a filter (for example) you expect it to modulate
> > logarithmicly.
> 
> That is no answer. What do people's expectations have to do with it? We
> are discussing a plugin API here. Or are you saying that logarithmic
> interpolation gives better sounding results than piece-wise linear
> approximation of the same with a segment length of, say, 64 samples?

Expect is too weak a word. I would regard a filter that (only) offered
linear frequency modulation as broken.

- Steve