Compander - evertz MultiFrame 7814 Series User Manual

7.26.3.5. Hold Time Control
This control is used to set the hold time for the given audio program. The IntelliGain processor will wait
this period to add gain once the level goes below the target loudness.
Immediate
1 – 14 seconds
Adaptive

7.26.4. Compander

7.26.4.1. Compander Profile
The compander profiles are used to define the dynamic range control of the compander. There are 5
default profiles.
Film Standard
Film Light
Speech
Music Standard
Music Light
Immediately processes the incoming audio.
Allows the user to select a defined amount of time before applying
processing.
The adaptive setting will vary the hold time depending on the content for
optimal sound quality.
The Film Standard profile is used to compress/expand sporting events, and movies
with a large dynamic range.
Max Boost: 6 dB (below –43 dB)
Boost Range: –43 to –31 dB (2:1 ratio)
Null Band Width: 5 dB (–31 to –26 dB)
Early Cut Range: –26 to –16 dB (2:1 ratio)
Cut Range: –16 to +4 dB (20:1 ratio)
The File Light profile is used to compress/expand light movies or program content
such as dramas or content with less dynamic range.
Max Boost: 6 dB (below –53 dB)
Boost Range: –53 to –41 dB (2:1 ratio)
Null Band Width: 20 dB (–41 to –21 dB)
Early Cut Range: –26 to –11 dB (2:1 ratio)
Cut Range: –11 to +4 dB (20:1 ratio)
The Speech profile is used to compress/expand content such as news,
documentaries or "talking head" type content.
Max Boost: 15 dB (below –50 dB)
Boost Range: –50 to –31 dB (5:1 ratio)
Null Band Width: 5 dB (–31 to –26 dB)
Early Cut Range: –26 to –16 dB (2:1 ratio)
Cut Range: –16 to +4 dB (20:1 ratio)
The Music Standard profile is used in most typical music environments such as
concerts, music videos and music content with a wide dynamic range.
Max Boost: 12 dB (below –55 dB)
Boost Range: –55 to –31 dB (2:1 ratio)
Null Band Width: 5 dB (–31 to –26 dB)
Early Cut Range: –26 to –16 dB (2:1 ratio)
Cut Range: –16 to +4 dB (20:1 ratio)
The Music Light profile is used to compress/expand music content with a narrow
dynamic range.
Max Boost: 12 dB (below –65 dB)
Boost Range: –65 to –41 dB (2:1 ratio)
Null Band Width: 20 dB (–41 to –21 dB)
Cut Range: –21 to +9 dB (2:1 ratio).
Revision 1.1.3
7800/7700 MultiFrame Manual
7814 Series Dual HDTV Up/Down/Cross Converters
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