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Design Guide for the Polycom SoundStructure C16, C12, C8, and SR12
A - 36
Matrix Parameters
matrix_balance Matrix Crosspoint Balance
Description
The matrix_balance parameter is available at crosspoints where stereo virtual
channels are mixed to mono or stereo virtual channels. The matrix_balance
parameter provides a way to control the amount of gain going to the left and
right channels.
Examples
Argument Argument value
Channel Type Matrix
Value Type Floating-Point
Read/Write Mode Read/Write
Row Phys Chans Conferencing Mic/Line Input, Sound Reinforcement Mic/Line
Input, Submix, ConferenceLink Aux Input, ConferenceLink
Raw Input
Row Virt Chans Stereo
Col Phys Chans Conferencing Line Output, Sound Reinforcement Line
Output, Submix, ConferenceLink Aux Output
Col Virt Chans Mono, Stereo
System Limits Minimum: -1.0, Maximum: 1.0, Resolution: 0.01
Default 0.0
User Limits
Supported
No
Command Response Description
set matrix_balance
"Program Audio" "HDX
Line Mix Out" 1
val matrix_balance
"Program Audio" "HDX
Line Mix Out" 1.000
Sends only the right channel of the stereo program audio
"Program Audio" source to both stereo audio outputs
"HDX Line Mix Out"
set matrix_balance
"Program Audio"
"Amplifier" 0
val matrix_balance
"Program Audio"
"Amplifier" 0.000
Sets the balance so that left is sent to left and right is sent
to right on the stereo virtual channel input and output.
This ensures the stereo program audio "Program Audio"
left and right channels are sent to the stereo audio output
"Amplifier" left and right channels, respectively.