Grass Valley iControl V.6.02 - Manual (Page 196)

Logs
Configuring Loudness Analysis Parameters
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Configuring Loudness Analysis Parameters
There are three loudness analysis parameters you may configure:
• Loudness standard
• Relative gating
• Short-term window
See also
For more information about Audio Loudness Analyzer and relevant tasks (including more
detail about the
As-Run log file), see the Audio Loudness Analyzer User Manual, available by
clicking Help in Audio Loudness Analyzer.
Configurable loudness analysis parameters
Parameter
name
Description Data set
Standard The program compliance loudness standard against which the loudness data will be
measured.
• G8 refers to the now-obsolete version of EBU-R128 recommending a gate value of -
8LU. The currently recommended value is -10LU.
• A85 1770-1 leaves the threshold level up to broadcasters and recommends an anchor
when available and a gate if necessary (used in USA, Canada).
• A85 1770-2 recommends a gate is ALWAYS enabled, having a threshold set to -10LU
(used in the European Union).
• ARIB TR-B32 is based on A85 1770-2 with a recommended threshold of -24LKFS
(absolute gate at -70LKFS, -10LU relative gate, 400ms sample blocks).
• EBU G8
• EBU G10
• ARIB TR-B32
• A85 1770-1
• A85 1770-2