Linear Acoustic LQ-1000 User Guide
13
Chapter 3: Applications and Use
The Linear Acoustic LQ-1000 Loudness Quality Meter was designed to provide all of the
necessary metering tools to allow for proper loudness measurement and human-assisted
control. To recap and expand on the features listed in Chapter 1:
•
Loudness Speedometer™ for display of Target Loudness, Maximum Loudness, Max-
imum Peak, and four speeds of Current Loudness
•
Triple ITU-R BS.1770 loudness bargraph meters with individual integration time ad-
justments (i.e. Slow, Medium and Fast) with numeric and logical color graphic indica-
tion of results:
•
Blue = too quiet
•
Green/Yellow = good (spans the ~15dB comfort zone)
•
Red = too loud
•
NEW:
EBU R128 metering with relative gating and Loudness Range (LRA)
•
Quad meter engines for simultaneous measurement of 5.1+2 ITU and EBU
•
NEW:
Session and 7.5 day Weekly logging with results in graphable CSV format
•
Front panel Start/Stop and Reset controls, also GPI controllable
•
Headphone output with plenty of gain and drive capability
•
VGA output for remote monitor
•
Multichannel manually applied gain scaling of input audio +/-24dB with protection
limiters to prevent overload
•
Optional auto-sensing Dolby Digital/Plus/E decoding
There are myriad application for this flexible tool. The basic idea behind this meter is to
enable better content creation and adjustment as early as possible in the production chain.
Leaving it to even a smart transmission processor at the end will affect the original artistic
intent of the program producer.
NOTE: The golden rule is: “Get Loudness Right At Each Stage”
Summary of Contents for LQ-1000
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