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9932-EMDE Functional Description
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9932-EMDE PRODUCT MANUAL
9932EMDE-OM (V1.4)
Loudness Processor.
(See Figure 1-7.) The loudness
processor (option
+LP
) function receives up to six selected channels from the
internal bus and performs loudness processing on the selected channels. A
loudness processing profile best suited for the program material can be
selected from several loudness processing presets.
Note:
Discussion and example here describes 5.1-channel loudness processor.
Stereo and dual-stereo processors operate similar to described here.
The example in Figure 1-7 shows routing of embedded output channels Emb
Out Ch 1 thru Ch 6 fed through the loudness processor. A master output gain
control is provided which allows fine adjustment of the overall output level.
Figure 1-7 5.1-Channel Loudness Processor with Example Sources
Control and Data Input/Output Interfaces
GPI Interface
Two independent ground-closure sensing GPI inputs (
GPI 1
and
GPI 2
; each
sharing common ground connection as chassis potential) are available.
Associated with each GPI user control is a selection of one of 32 user-defined
card presets in which GPI activation invokes a card control preset. Because
the GPI closure invokes a user-defined preset, the resulting setup is highly
flexible and totally user-defined. Invoking a user preset to effect a change
involves card setup communication limited only to the items being changed.
Bus Ch 1– Ch 6
>
From Internal Bus
Bus Ch 1
Bus Ch 3
Bus Ch 4
Bus Ch 5
Bus Ch 6
L
R
(C)
(LFE)
(Ls)
(Rs)
To Output Audio
Routing/Controls
Loudness
Processing
Loudness processor provides loudness-processed outputs LP51 - L thru LP51 - Rs,
which are available as source selections for audio output routing.
Processing
Preset
Select
Master
Output
Gain
Control
L
R
(C)
(LFE)
(Ls)
(Rs)
Input/Output
Select
Bus Ch 2
LP51-L
LP51-C
LP51-LFE
LP51-Ls
LP51-Rs
LP51-R
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