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Professional Audio Distribution Processor
18 • Professional Audio Distribution Processor: CNX-BIPAD8
CNX-BIPAD8 Symbol Input Signal Functional Descriptions
INPUT NAME/RANGE
mute1 to mute8
room-1-on to room-8-on
loudness1 to loudness8
mono-mode-1 to mono-mode-8
src for rm1 to src for rm8
volume1 to volume8
balance1 to balance8
bass1 to bass8
treble1 to treble8
max vol1 to max vol8
min vol1 to min vol8
comp-src1 to comp-src24
*
Analog or Digital
1.
The <src for rm> analogs select the audio source for the specified room. For example, to distribute
audio from input 3 to room 2, <src for rm2> must be set to 3 (typically via an Analog Initialize
symbol). If <src for rm> equals 0, then no audio will be sent and the room is electronically mute.
Valid ranges for the <src for rm>analogs are:
RCA
CAT5
2.
These inputs specify levels for the settings relative to the 50% mark. That is, a <balance> input with
a value of 50% indicates that audio is distributed evenly between the left and right speakers.
Likewise, 50% indicates a flat level for treble and bass.
3.
These inputs are scaling factors. That is, if <min vol> equals 20% and the corresponding <max vol>
equals 80%, then the distributed output will be scaled accordingly.
4.
The <comp-src> inputs are measured relative to 50%. These signals represent source gain
compensations that allow for normalization of audio levels for different sources. For example, the
volume range of a VCR can be made equal to that of a CD player.
Example Program
An example program for the CNX-BIPAD8 is available from the Crestron FTP site
Crestron FTP site (ftp://ftp.crestron.com/Examples). Search for CNX-BIPAD8.ZIP.
It contains the example program, associated files and a README.TXT file that
describes the program.
Crestron CNX-BIPAD8
TYPE
DESCRIPTION
A/D*
D
The mute inputs electronically cut sound to a room for
as long as 'mute' remains high.
D
When any of these inputs goes high, the signals close
relays enabling audio to the corresponding rooms.
When an input goes low, the corresponding relay
opens and cuts audio to the room (mechanical mute).
D
This input activates the loudness function to boost
low- and high-frequency signals at low volume settings
to compensate for natural hearing limitations at lower
volume levels.
D
A mono-mode input will change the room's audio
setting from stereo to mono. Both left and right outputs
carry the same signal.
A
Selects the audio source for the room.
A
Controls the audio level for each room.
A
This input specifies a level for the setting.
A
This input specifies a level for the setting.
A
This input specifies a level for the setting.
A
This input represents a scaling factor.
A
This input represents a scaling factor.
A
This input represents a source gain compensation.
Input
Valid <src for rm> values
in decimal format
0 - 16
0, 17 -24
Operations Guide - DOC. 8160A
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