OK, I see your point.
Original Message:
-----------------
From: Mike Berry mberry@xxxxxxxxx
Date: Mon, 29 Dec 2003 15:54:57 -0700
To: gmpi@xxxxxxxxxxxxx
Subject: [gmpi] Re: Reqs 3.8 Events - gesture start/end
I never meant that one gesture could not affect multiple parameters. In
fact it should be able to. However, what I meant by there not being
gesture polyphony was that one parameter could not be simultaneously
part of multiple gestures. I cannot see a good argument for trying to
support that.
Mike
gogins@xxxxxxxxxxxx wrote:
> 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
>
--
Mike Berry
Adobe Systems
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