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Linear Acoustic AERO.qc User Guide
Chapter 1: Introduction
The Linear Acoustic AERO.qc Audio Quality Controller is an all-in-one unit that com-
bines ITU-R BS.1770 loudness measurement with tools to allow manual or automatic cor-
rection plus extensive monitoring functions that allow the most complete downmix
emulation available.
AERO.qc includes metadata functionality where professional audio metadata (i.e. Dolby
Metadata) can be applied to the unit to minimize processing and control functions such as
upmixing.
The unit facilitates the quick creation or ingest of content to a known standard target.
Loudness and surroundfield are both kept consistent and results are displayed graphically
so that no interpretation is required better ensuring that all operators will have the same
high quality result.
The AERO.qc provides the following features:
•
Dual ITU-R BS.1770 loudness meters (fast and slow) with numeric and logical color
graphic indication of results: green=good
•
True peak indication
•
Adjustable display of facility loudness target
•
Selectable and adjustable upmixing of Main Input 1/2 (Left/Right front) via industry
standard
•
LtRt or LoRo downmix available full-time
•
Optional monitor section including speaker calibration and downmix emulation
•
Optional redundant power supplies
•
Optional ITU compliant automatic loudness processing for up to six channels of au-
dio; includes input AGC, multiband AGC and limiting, distortion-free look-ahead
peak limiting, and selectable multiband source noise reduction
•
Optional built-in dual Dolby Digital (AC-3)/Dolby E decoding
•
Optional HD/SD-SDI I/O for embedded audio and VANC metadata
MAX and UPMAX-II stereo to 5.1 channel upconversion algorithms
UP
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