Subject: MAX Digest - 15 Sep 1998 (#1998-2)
Date: Wed, 16 Sep 1998 00:00:02 -0400
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Reply-To: MAX - Interactive Music/Multimedia Standard Environments
     
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There is one message totalling 29 lines in this issue.

Topics of the day:

  1. movement detection->MIDI

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Date:    Wed, 16 Sep 1998 13:39:17 +1000
From:    David Rodger 
Subject: Re: movement detection->MIDI

Karlheinz Essl wrote:
>Be aware that ultrasonic sensors (such as I-Cube's FarReach) are producing
>enervating clicking noises that makes them inapprobriate for sound
>installations.

The clicking comes from the fact that you need to send tonebursts for
time-of-flight and range-finding applications (see my last post).
Nevertheless, the TDK 25kHz emitters that I used for my MIDI Corset could
only be heard when I placed my ear right next to them.

Regards, David

David Rodger:    Audio Engineering;  Pool Operations;  Aquatics Training
EMAIL:  auricle@alphalink.com.au     WEB:  www.alphalink.com.au/~auricle
RESEARCH  --  Motion Capture in Music  --  farben.latrobe.edu.au/motion/
ADZOHU  -- Music and Dance from Ghana  --  www.alphalink.com.au/~adzohu/
========================================================================
"It is always a thrill to observe music software making its descent from
the rarefied origins of a research tool, reaching its natural level as a
device to aid in the sale of alcoholic beverages."     --David Zicarelli

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End of MAX Digest - 15 Sep 1998 (#1998-2)
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