Re: [Linuxsampler-devel] Correct sustain pedal emulation (midi hold controller) ?

[<be...@ga...>]

Mark as always thanks for your explanations.
The voice buildup when hitting the same key with sustain down
is ok we can easily do that.
But as you (and others, see below) said it leads to high polyphony
consumption which might cause CPU overload or cutting of notes.

Giga seems to have a velocity dynamics problem too.
See the very useful comments (with .MID and .GIG test files that show the issue)
from Warren Trachtman, the maker of the Trachtman Piano for Giga.
He talks about the sustain polyphony problem and the piano release mode that
 does not seem to work.

http://www.wstco.net/gigaissues/

Christian take these velocity issues into account when adding
volume support to linuxsampler.

Returning to the pedal polyphony problem: we could provide both
 the unlimited voices mode and a limited one, eg you say max 4
 voices per key this means if you keep hitting the same key you
 if there are more than 4 voices active the older notes will quickly 
fade out keeping the polyphony within limits.

cheers,
Benno
http://www.linuxsampler.org


Scrive Mark Knecht <mar...@co...>:

> On Mon, 2003-10-27 at 13:05, Christian Schoenebeck wrote:
> > Maybe that is what the "Piano Release Mode" in the gig format is for.
> That's 
> > one of the few things I'm not sure about. Perhaps somebody having access to
> a 
> > Gigasampler can check it? As far as i can remember this is an instrument 
> > global parameter check box somewhere in the instrument editor. So switching
> 
> > on and off this parameter and seeing, ehm sorry, hearing it's actual output
> 
> > influence would be interesting.
> > 
> Christian,
>    The Piano Release Mode choice shows up in the same gig file
> properties screen that has the Drum check box. It is global to the whole
> gig file.
> 
>    Interestingly, it is not being used on my best piano library, the
> Bardstown Bosendorfer.
> 
>    The GigaEdit help file doesn't seem to have any information about it.
> I'll continue to look around tomorrow, either on the machine or maybe at
> Northern Sounds.
> 
> Cheers,
> Mark
> 
> 
> 
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