Linear Acoustic LQ-1000 User Guide
Applications and Use
19
Figure 3-5
Comfort Zone (from Riedmiller, et. al.)
The Comfort Zone is asymmetrical, where audio can get about twice as quiet as it can get
loud before a consumer will likely need to adjust the volume up or down. Likewise, the
colors of the LQ-1000 vary from green through yellow to red (too loud) more quickly than
they fall from green to blue (too quiet).
3.3
Scaling with the LQ-1000
A digital multichannel gain control is provided to scale content quickly and easily. Up to
24dB of cut or boost can be applied to the audio prior to metering and output. This can
be done manually by watching the meter and adjusting the gain once content has been
measured for a representative length of time (i.e. 20 seconds of a 30 second spot).
Automatic calculation of the gain correction value can be accomplished by selecting “Ap-
ply Loudness Measurement” under the “Meter Options” menu, then pressing the Right
(Next) button. The difference between the Target value and the LKFS “D” measurement
will be entered into the Input Gain field. To Reset the meter and the Input Gain filed, sim-
ply press the front panel F3 Reset button (with GPI enabled).
Summary of Contents for LQ-1000
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