tem. They come directly from the MIDI standards. These are the
reasons why MIDI is not used for any professional animation con-
trol systems.
Just for some contrast, at the typical thirty frames per second
that a Gilderfluke Animation Control System operates at, there is
no limitation to the number of digital functions that turn on or off
at one time. With 2048 digitals controls, there can be 2048 on
and off events per frame, or 61,440 on and off events per sec-
ond. If there is any error in the data stream, the outputs will not
be updated with this bad data and the corrected data will be out-
put on the next frame (typically 1/30th of a second later).
Recommended wire length without any additional hardware is
one mile.
k) Voice, Press Velocity, and Release Velocity:
This is a MIDI Mode
specific command. This command is used to set which of sixteen
possible MIDI ‘instruments’ the key commands are sent to, and the
‘speed’ that is used for the MIDI ‘key down’ and ‘key up’ com-
mands. The default MIDI ‘speed’ is 64. A value of one is the slow-
est possible key up or down speed. A value of 127 gives the
fastest possible key speed. A ‘speed’ value of zero will turn off a
note, even on a MIDI ‘key down’ message.
l)
String Trigger Channel:
This command is used to set the address
of the eight bit channel that is used to trigger the strings which
are entered using the next command. Setting this value to
255/0FFh will disable this feature.
Any eight bit channel of animation data can be used to trig-
ger the sending of the strings which are entered using the next
command. There are a total of sixteen strings available. Each bit
triggers one string to be sent on the rising edge, and a second
completely different string on the falling edge. This feature is typi-
cally used to send strings that need to be sent too regularly for
using the ‘Monitor Channel’ feature.
m) Edit Strings.....:
This command brings up the following menu. It is
used to enter the strings that are sent when using the ‘String
Trigger’ feature. There are sixteen possible strings. Each string can
be up to eighteen characters long. One is sent on the rising, and
a different one is sent on the falling edge of each of the eight bits
in the String Trigger channel.
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