Theatre Design & Technology - Winter 1987 - 48

NEW PRODUCTS

AURORA PRESET
LIGHTING CONTROL

Lutron Electronics Co., Inc. has expanded the capability of its Aurora
Lighting Scene Control Center to
handle up to 12 independent lighting
zones la zone is one or more light
fixtures controlled simultaneously!.
Wi th Aurora, four different lighting
scens lor moodsl can be preset. Any
scene can then be recalled at the
tOuch of a button. The Aurora control is self-teaching and easy to operate: Simply slide each graphic level
indicatOr to the intensity level desired for each lighting zone. Visual
feedback is instantaneous. Once the
intensity levels are set for each of the
four preset lighting scens, these
scens can be recalled by pressing the
four corresponding tOuch-buttons.
No digital codes or computer knowlege is required for operation. A
latched cover made of brushed aluminum, with a translucent smoked
SOUND
continued from p. 7

atre will be limited to a programmable source of previously edited
material with a somewhat finite cueing time.
This is not to say that R-DAT is
useless, but it has never had the potential of the format that will soon
render it obsolete. That format is
currently described by the electronics industry as "MagnetO-optic
disks" and practically every major
Japanese manufacturer is hard at
work developing their own version.
These disks are still in the development stage and no standard formulation has yet been established, but the
goal is crystal clear: reliable erasablelrecordable disks with the densi ty of current CDs able to be read by
standard CD players. The CD data
format has been completely defined
for audio, text, computer, and still
video frame stOrage and is currently
being utilized in the CD-ROM mode
for mass data stOrage in microfilmtype applications.
An experimental magnetO-optic
disk system configured as a video
stOrage system is currently being
demonstrated by the laboratOries of
Japan's THK public broadcast network. It uses a dual film disk, one for
writing and the other for reading, al.+6

TD&T . WI:\"TER 19'7

plexiglass window, protects the
sliders from unauthorized use.
An Aurora system consists of the
Aurora Lighting Scene Control Center and a dimmer panel containing
modules for control of incandescent,
incandescent low voltage, fluorescent, H.LD. neon, and cold cathode
light sources. The Aurora Lighting
Scene Control Center comes with its
own special wall box and connects to
the dimmer panel using low voltage

Class II wiring. Optional accessories
include a wireless remote control, a
wall-mounted lighting scene activatOr, and an interface for use with auxiliary equipment. The Aurora system is U.L. listed.
For further iniormation contact:
Lutron Electronics Co., Inc., Suter
Road, Box 205, Coopersburg,
PA 18036; 12151282-3800; TWX
510-651-3755 LUTRON CPBG;
telex 847475 LUTRO_ CPBG.

lowing easy erasure, recording, and
playback of color video action and
sound. Any frame may be called up
in less than 112 s; forward and reverse
slow motion, high speed search and
editing, plus computer graphics processing stOrage are all possible. All
this is even more impressive considering that the system works with the
digi tal representation of a high bandwidth video signal in real-time, making digital audio look tame by comparison. For example, data transfer
rate is 108Mbit/s compared to
R-DAT's 2.46Mbit/s; sampling rate
is 13.5MHz vs -1-8kHz for R-DAT.
Similar comparisons may also be
made wi th current CD technology,
plus data stOrage densities on the
magnetO-optic disk are already approaching CD densities with bit diameters less than I micron. As a final
frosting on this technological cake,
production versions could be on the
market in two to three years.
We know more about this experimental system than potential commercial audio magnetO-optic disk
systems simply because the publicly
funded laboratOry that developed it
has no competitOrs from which to
hide the information. It also has no
maior commitment to selling a less
than ideal product such as R-DAT,
developed at great cost. I recall al-

most two years ago when a visiting
Japanese engineer demonstrated a
small prototype magneto-optic disk
dri ve uni t designed to be interfaced
with a variety of digital devices presumably for stOrage and retrieval of
data. It was obviously a hand-built
unit and had only one control, a
switch with three positions: "Computer," "Video," and "Audio." He
explained that it was to be displayed
at the upcoming NAB convention
when an announcement of the availability of production versions would
be made. According to informed
sources, the prototype was kept
locked securely in a private hotel
room throughout the convention
and no official mention was made of
it.
Obviously it takes time to develop
new technology and it would be irresponsible to bring anything to market that was not thoroughly tested
and industry approved, although it
has certainly been done before. What
is most puzzling is that we have
heard that Hitachi, Matsushita,
NEC, and Sony are all working on
magnetO-optic CD-type recorders,
yet all remain strangely silent about
their progress. My opinion is that
commercial failure of R-DAT may
conceivably speed up the development and introduction of magnetO-



Table of Contents for the Digital Edition of Theatre Design & Technology - Winter 1987

Contents
Theatre Design & Technology - Winter 1987 - 1
Theatre Design & Technology - Winter 1987 - 2
Theatre Design & Technology - Winter 1987 - 3
Theatre Design & Technology - Winter 1987 - Contents
Theatre Design & Technology - Winter 1987 - 5
Theatre Design & Technology - Winter 1987 - 6
Theatre Design & Technology - Winter 1987 - 7
Theatre Design & Technology - Winter 1987 - 8
Theatre Design & Technology - Winter 1987 - 9
Theatre Design & Technology - Winter 1987 - 10
Theatre Design & Technology - Winter 1987 - 11
Theatre Design & Technology - Winter 1987 - 12
Theatre Design & Technology - Winter 1987 - 13
Theatre Design & Technology - Winter 1987 - 14
Theatre Design & Technology - Winter 1987 - 15
Theatre Design & Technology - Winter 1987 - 16
Theatre Design & Technology - Winter 1987 - 17
Theatre Design & Technology - Winter 1987 - 18
Theatre Design & Technology - Winter 1987 - 19
Theatre Design & Technology - Winter 1987 - 20
Theatre Design & Technology - Winter 1987 - 21
Theatre Design & Technology - Winter 1987 - 22
Theatre Design & Technology - Winter 1987 - 23
Theatre Design & Technology - Winter 1987 - 24
Theatre Design & Technology - Winter 1987 - 25
Theatre Design & Technology - Winter 1987 - 26
Theatre Design & Technology - Winter 1987 - 27
Theatre Design & Technology - Winter 1987 - 28
Theatre Design & Technology - Winter 1987 - 29
Theatre Design & Technology - Winter 1987 - 30
Theatre Design & Technology - Winter 1987 - 31
Theatre Design & Technology - Winter 1987 - 32
Theatre Design & Technology - Winter 1987 - 33
Theatre Design & Technology - Winter 1987 - 34
Theatre Design & Technology - Winter 1987 - 35
Theatre Design & Technology - Winter 1987 - 36
Theatre Design & Technology - Winter 1987 - 37
Theatre Design & Technology - Winter 1987 - 38
Theatre Design & Technology - Winter 1987 - 39
Theatre Design & Technology - Winter 1987 - 40
Theatre Design & Technology - Winter 1987 - 41
Theatre Design & Technology - Winter 1987 - 42
Theatre Design & Technology - Winter 1987 - 43
Theatre Design & Technology - Winter 1987 - 44
Theatre Design & Technology - Winter 1987 - 45
Theatre Design & Technology - Winter 1987 - 46
Theatre Design & Technology - Winter 1987 - 47
Theatre Design & Technology - Winter 1987 - 48
Theatre Design & Technology - Winter 1987 - 49
Theatre Design & Technology - Winter 1987 - 50
Theatre Design & Technology - Winter 1987 - 51
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Theatre Design & Technology - Winter 1987 - 53
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Theatre Design & Technology - Winter 1987 - 56
Theatre Design & Technology - Winter 1987 - 57
Theatre Design & Technology - Winter 1987 - 58
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Theatre Design & Technology - Winter 1987 - 60
Theatre Design & Technology - Winter 1987 - 61
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Theatre Design & Technology - Winter 1987 - 68
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