Subject: MAX Digest - 30 Oct 1998 to 31 Oct 1998 (#1998-55)
Date: Sun, 1 Nov 1998 00:00:02 -0500
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Reply-To: MAX - Interactive Music/Multimedia Standard Environments
     
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There is one message totalling 43 lines in this issue.

Topics of the day:

  1. Want advice for outdoor installation

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Date:    Sat, 31 Oct 1998 19:43:25 +0200
From:    Eirik Lie 
Subject: Want advice for outdoor installation

Asking for a bit of advice:

I am about to make sound and/or music for a permanent outdoor installation
here in Oslo, Norway. We are a little in doubt what equipment to use for
the project. Different sounds should be generated by movements of the
installation. I'd say this is a typical "Max and a sampler" project, but
for the reliability. This installation will be left unattended for 24 hours
a day, 365 days a year, hopefully for many years. Temperatures will vary
between minus 30 and plus 40 degrees centigrade, and it has to auto-boot
after power failures. To get this reliability, we are advised to use a PLC
and an Electrosonic ESTA audio replay module. However, the PLC must be
programmed at almost machine-code level to send play instructions via
RS-232 to the audio module. The ESTA is sort of a primitive sampler, with
the sound files burnt into PCMCIA cards. It will play back any one of 240
sounds, but only one at a time, and with no control over dynamics,
filtering, or pitch. Not many possibilities, but this system is reported to
be dead stable. A similar system has been running on the North Cape for two
years.
However, I would rather like to use a Mac running Max and/or a sampler for
this project. Does anyone here have experiences with Max installations with
these demands on reliability? The Mac harddisk could be a problem, but I
seem to recall having heard of solid state "hard disks"? And if we  go for
a PLC/sampler combination, we need either a sampler that understands
RS-232, or an RS-232-to-MIDI interface. There exists some interfaces for
DOS/Windows machines, I believe, but don't they require software drivers
running on the PC? As for the sampler, there are some having a flash EPROM
memory option. Anyone having experiences with these? Will it be possible to
set it up to autoboot after a power failure?

Kind regards,

Eirik Lie, Bjornerabben 9, N-0383 Oslo, Norway
Email: eirikli@notam.uio.no   -   Tel +47 22 50 23 14
Check out my CD "12 Bilder": http://home.sol.no/home/eiriklie/Visual.html

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End of MAX Digest - 30 Oct 1998 to 31 Oct 1998 (#1998-55)
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