Crestron QM-FTCC Operations & Installation Manual page 46

FlipTop Computer Center
Visual Representation of Gating Level, Clipping Level, Attack Time, and Decay Time
SIGNAL LEVEL
MICROPHONE
INPUT
SIGNAL
SIGNAL LEVEL
42 • FlipTop Computer Center: QM-FTCC
Gain
An adjustable amplification to accommodate varying input signal levels.
Gating
Gating is a function that mutes a microphone signal when the input sound level
is below a user-set threshold (gating level).
The following diagram demonstrates clipping, attack time, decay time, and
gating level.
Mic On
Attack Time
QM
OUTPUT
SIGNAL
Gating Level
Reached
Attack Time
Setting Microphone Gain
The QM-FTCC provides variable gain on the microphone inputs. The following
procedure is used to set the optimal gain for a microphone input.
Clipping Level
Decay Time
Gating Level Reached
Mic On
Decay Time
Operations & Installation Guide - DOC. 6313A
Crestron QM-FTCC
Gating Level
Mic Off
TIME
Mic Off
TIME