RE: [Linuxsampler-devel] Roadmap (was: Latest CVS commit)

[Peter R. <pet...@de...>]

Bruce Richardson once explained on the NS forum that GigaStudio also has a
clever mechanism for releasing (I guess "old") notes whose volume is nearly
zero. That might be an interesting alternative (or addition) to a scheme of
stopping oldest notes (which might be looping at max volume).

Cheers,

Peter Roos

-----Original Message-----
From: Mark Knecht [mailto:mar...@co...] 
Sent: Monday, January 12, 2004 1:51
To: Christian Schoenebeck
Cc: Linux-Sampler
Subject: Re: [Linuxsampler-devel] Roadmap (was: Latest CVS commit)


On Sun, 2004-01-11 at 15:55, Christian Schoenebeck wrote:

> > 	* Is Delay a minimum note-off->release delay,
> > 	  the maximum duration of the sustain state,
> > 	  or what? (Both seem useful to me...)
> 
> That 2nd "D" is actually Decay2. It's an exponential fall from the last
Decay1 
> level to the first level of the Release stage. Decay2 will only become 
> applied in case this "infinite sustain" is disabled, but I'm not that
sure. 
> Maybe Mark can confirm that?

I believe this is a correct description. 

With Infinite Sustain enabled Decay 2 is not used.

With Infinite Sustain disabled, Decay 2 begins at the end of Decay 1.
This appears (in my mind) to create a first, normally faster decay
region like everyone is used to. After that first decay period, Decay 2
kicks in and GSt will then does a second decay period that takes you
down to 0 volume. I think the intention here is to ensure that all notes
eventually go to zero even if their keys are never released.

This does raise one unsolved issue I've seen with LS. To date I think LS
has no mechanism for releasing the oldest notes when it reaches its
maximum note count. Press sustain and start hitting keys. Eventually you
get messages about not being able to play notes.

LS needs to be able to release the oldest notes to that new notes can be
played. Generally it will be better to get a release or something from
very old notes going away vs. not playing the newest notes.

Cheers,
Mark





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