Re: Dc parameter?

Before we start, is there a reason why the Reply-To on your emails 
goes to [email protected]? Fortunately, I caught that. 
Otherwise my reply would not have gone to the list.

At 03:35 PM 7/4/2011, you wrote:

> > Right. "Dc" I think means Decay Control. When Dc is checked, the
> > "Time" parameter in the Group is a Note Counter, in milliseconds.
> > This measures the time between noteon and noteoff. If the Time
> > parameter is 2000ms, and there was 1000ms (1 sec) between noteon and
> > noteoff, the release sample will be 50% of the original volume. It's
> > the "correct" way to deal with RT volume. Some people prefer release
> > velocity control, but people often don't play with that in mind.
> >
> > You program the Time parameter with the actual decay of the sample in
> > mind. For example, take a piano; look at the actual decay, then put
> > the Time parameter consistent with it.
> >
>
>Are we talking about the same program here? EXS24 for Apple 
>Macintosh that comes with Logic Pro 9.1.4 and MainStage 2.1.3? ;-)

Yep! I am not in front of it at the moment but I have extensive 
experience with it. Any numerical examples are meant to illustration, 
numerical values may be wrong.

I will also say I will be checking on Logic 8, not 9, but the 
functionality should be the same (unless Logic 9 bugged it, which I doubt).

>I cannot set Time to 2000. Maximum value is 1000.

See above.

>Also, as I wrote, the amplitude and envelope of the release sample 
>is absolutely independent of the length of the note previously 
>played (the time between note on and note off).

OK, I'll check tomorrow when I'm in front of it, but I wrote from 
memory that has been burned in pretty well. Dc is the note counter 
and that's how it works.

>BTW, what does RT stand for? Release Trigger?

Right.

> > I believe that the Env2 (Amp) Decay parameter is paid attention to
> > when considering the release time of the RT. Remember the Sustain
> > level is still considered in calculating the Decay Time.
>
>I believe that the Env2 parameters are completely ignored when 
>Trigger is set to key released. At least that's what the help file 
>says (slightly hidden, under "Envelope 1 Offsets" and "Envelope 2 Offsets").

Whether the sound is looped also factors into it (strangely). The 
documentation may be completely wrong.

> > When the
> > Sustain Level is 0, the Decay Time is as-is. If (for example) the
> > Sustain Level is 50%, you cut the Decay Time in half. (EXS uses
> > "rate-based" envelopes.) This is where the Group Offsets for the Env2
> > (Amp) settings are valuable, you can create your own custom settings
> > for the RT samples.
>
>The group offsets for Env2 aren't accessible as soon as Trigger is 
>set to key released.

I'll check this Tuesday.

Garth Hjelte
Sampler User



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