[gmpi] Re: Reqs 3.8 Events - gesture start/end

Evidently we do not agree as to the meaning of the word "gesture". To me,
it means a physical performance gesture, like bowing a fiddle, or an analog
thereof, like touching a pad. Therefore, a gesture can control more than
one parameter at the same time (as a fiddle bow controls both volume and
vibrato, and even timbre depending on how near the bridge it is; or when an
x-y controller is used). Futhermore, obviously more than one gesture can
occur at the same time, as when a guitarist slams the whammy bar and steps
on a wah-wah pedal. The requirement for gestural control is to represent a
high volume of multi-parametric control data that is assigned to one or
more specific voices, unit generators, or instruments or sets of
instruments.

Original Message:
-----------------
From: Paul Davis paul@xxxxxxxxxxxxxxxxxxxxx
Date: Mon, 29 Dec 2003 16:31:59 -0500
To: gmpi@xxxxxxxxxxxxx
Subject: [gmpi] Re: Reqs 3.8 Events - gesture start/end 


>> there is no need for "gesture polyphony." It is a requirement
>> that the host send a gesture end event prior to sending a second gesture
>> start event.
>
>Hi Mike,
>Just to be clear.  Two different parameters could have independent gesture
>start/stop.
>
>e.g.  I might be automating a mixdown on a hardware control surface, and
>have one hand on chan1 volume, and the other on chan2 volume.  Both these
>gestures might overlap.

i don't believe that this is a valid example of
"gesturing". gesturing, on my understanding, refers to a situation
where you wish to set more than parameter at the same time, even
though the events/messages describing these changes are inevitably
serialized. hardware control surfaces don't generate gestures. script
files (such as a Csound score file) do.

--p

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