Andres,

I cannot get (on WinME) diffamator to output any sound using the ASCII
keyboard. Please let me know how to do this, and what command line I should
use.

I too thought that a "repeating keyboard" might be the cause. However, I
tried varying the repeat and delay rate; no change in "stutter." I then
carefully checked the output of sensekey with various print statements for
both output variables; this allowed me to be sure I was *not* getting
"autorepeat" keystrokes.

So I think the problem is elsewhere. I'll try to put together a simple
example that illustrates the problem. It seems for me that with sensekey
actively looking for keystrokes (in an "always on" instrument) any slight
keypress makes any current sound "zipper" for a second or so - whether the
sound is sampled (using loscil) or computed.

Art Hunkins
----- Original Message ----- 
From: "Andres Cabrera" 
To: "Art Hunkins" ; "Developer discussions"

Sent: Thursday, December 07, 2006 10:03 PM
Subject: Re: [Cs-dev] sensekey


Hi Art,
Can you try to use the keyboard with diffamator? Do you get stuttering?

What I think could be happening is that the operating system does
key-repeat, and you are generating many events on a single keypress...

Cheers,
Andrés

Art Hunkins wrote:
> I've been experimenting further with sensekey (in WinME) from the
> commandline. My goal is to trigger samples with keypresses.
>
> The basic mechanism is working fine and as I expect, except for one
> exasperating (and perhaps fatal) problem: any time I strike a key, even
for
> the shortest possible duration, any audio currently sounding stutters
> ("zipper noise") for a full second. (This includes the beginning of the
> just-triggered sample.)
>
> The stuttering occurs even with keypresses that don't trigger samples, and
> indeed when I truncate code to check for a single key as trigger (the
> stutter is of the same, one-second duration).
>
> The same .csd using midi input as trigger (midiin doing the input
> processing) works flawlessly.
>
> My tentative conclusion is that sensekey, as it responds to ASCII keyboard
> strokes, is doing a lot of processing - so much so that is causes audio to
> "zipper." The effect is the same as in Csound4 when using FLTK widgets;
the
> mouse moving across the screen caused "zipper noise" on my vintage PC.
> However, it's been a *long* time (I can't recall when) since I've
> encountered this phenomenon on my current-issue machines.
>
> Is there anything to be done? (I'd attach a .csd, but I'd have to send
along
> a substantial sample as well. I don't think the problem is code I've
> written, though perhaps it's code I *haven't* written - a lack of
awareness
> of some important factor.)
>
> Thanks for any insight. I'd *really* like to be able to ASCII-trigger
> samples with sensekey. As Victor says, "just a laptop and go."
>
> Art Hunkins
>
> ----- Original Message ----- 
> From: "Victor Lazzarini" 
> To: "Art Hunkins" ; "Developer discussions"
> 
> Sent: Friday, December 01, 2006 11:59 AM
> Subject: Re: [Cs-dev] sensekey
>
>
>
>> yesterday I played with some mappings and I thought it was quite
>> interesting. I did some button-accordion mappings that created
>> a computer squeeze-box.  This would in fact help the mobility
>> of works, just a laptop and go!
>>
>> Victor
>>
>> At 16:35 01/12/2006, you wrote:
>>
>>> FWIW:
>>>
>>> Neither Winsound, nor CsoundGUI, nor Lettuce allow sensekey to respond
to
>>> ASCII input.
>>>
>>> If Rory *did* opt to add that capability to Lettuce, it would be
>>>
> something
>
>>> these other frontends couldn't (currently) do.
>>>
>>> I wonder how many realtime users out there are interested in being able
>>>
> to
>
>>> use sensekey (i.e., ASCII keyboard input) in Windows, and without FLTK -
>>>
> but
>
>>> within a front end such as Lettuce? (Perhaps I'm the only one?)
>>>
>>> Art Hunkins
>>>
>>> ----- Original Message -----
>>> From: "Victor Lazzarini" 
>>> To: "Art Hunkins" ; "Developer discussions"
>>> 
>>> Sent: Friday, December 01, 2006 11:12 AM
>>> Subject: Re: [Cs-dev] sensekey
>>>
>>>
>>> No problem really. As for Lettuce, I reckon Rory will
>>> add that very soon.
>>>
>>> Victor
>>>
>>> At 16:09 01/12/2006, you wrote:
>>>
>>>> Thanks, Victor, for stating the matter succinctly.
>>>>
>>>> Actually, I *thought* that's what I had said. Apparently, long years in
>>>> academia and a low level of technical expertise have resulted in my
>>>>
>>> clouding
>>>
>>>> the issue one more time. Sorry about that.
>>>>
>>>> I appreciate you developers bearing with me.
>>>>
>>>> Art Hunkins
>>>>
>>>> ----- Original Message -----
>>>> From: "Victor Lazzarini" 
>>>> To: "Art Hunkins" ; "Developer discussions"
>>>> 
>>>> Sent: Friday, December 01, 2006 10:15 AM
>>>> Subject: Re: [Cs-dev] sensekey
>>>>
>>>>
>>>> But it does work on Windows, with/without FLTK. It doesn't work with
>>>> Lettuce, which
>>>> is a different thing.
>>>>
>>>> Victor
>>>>
>>> ------------------------------------------------------------------------
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>>>
>> Victor Lazzarini
>> Music Technology Laboratory
>> Music Department
>> National University of Ireland, Maynooth
>>
>>
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