1
Natural Language Control
as used in
TM
This essay explains the core technology used in Cognito's internal 'fade engine'
that makes DMX512 and runs the lights and the end devices at the bits and bytes
level. Reading this and understanding Natural Language Control is not necessary
to operate the console, but it will give you an appreciation of how lighting control
has advanced over the years. Using today's advanced lighting systems has never
been easier because of Natural Language Control.
1
B
ACKGROUND
............................................................................................................................................................................. 2
T
ALKING TO THE
L
IGHTS WITH
B
ITS AND
B
YTES
............................................................................................................... 4
T
ALKING TO THE
L
IGHTS WITH
N
ATURAL
L
ANGUAGE
C
ONTROL
.................................................................................... 4
P
AN AND
T
ILT
E
XAMPLE
.......................................................................................................................................................... 6
Z
OOM
E
XAMPLE
...................................................................................................................................................................... 10
S
HUTTER
C
ONTROL
E
XAMPLE
............................................................................................................................................. 11
G
OBO
C
ONTROL
...................................................................................................................................................................... 14
C
ONDITIONAL
A
BSTRACT
A
TTRIBUTES
............................................................................................................................. 18
A
TTRIBUTE
S
UBSTITUTIONS
................................................................................................................................................ 21
P
HANTOM
A
BSTRACT
A
TTRIBUTES
.................................................................................................................................... 24
C
OLOR
S
PACES
........................................................................................................................................................................ 27
C
ONCLUSION
............................................................................................................................................................................ 30
© 2015
1
Much of this document was originally published in 2005 by Horizon Control in a white paper
called The Abstract Control Model. Horizon was purchased by Acuity Brands Lighting in 2011 and
the entire team joined Pathway Connectivity when it too was acquired by Acuity.