Cobalt Digital COMPASS 9083 HD_SD Frame Sync - Manual (Page 17)

9083-OM (V4.5) 9083 PRODUCT MANUAL 1-13
Introduction
9083 Functional Description
Figure 1-6 Up Mix Auto Enable/Bypass with Example Sources
Loudness Processor (Option +LP)
Note: Loudness processor function is an optional licensable feature. This function
and its controls appear only when a license key is entered and activated.
(This option (identified in Cobalt
® price lists as +LP) can be purchased upon
initial order, or field-activated using a key string which is sent to you when this
option is purchased.)
If your card was purchased with option +LP , loudness processor manual
supplement “5.1 and Stereo Loudness Processing Options for Compass ®
Cards (+LP51, +LP20) Manual Supplement” (OPT-SW-LP-MS) is included
in your documentation package. Supplement OPT-SW-LP-MS can be
downloaded from our website or requested using the Cobalt contact
information in this manual.
Emb Ch 1 – Ch 16
> From Audio Routing/Gain Control
Emb Ch 1
Emb Ch 2
Emb Ch 3
Emb Ch 4
Emb Ch 5
Emb Ch 6
L
R
(C)
(LFE)
(Ls)
(Rs)
L – Emb Ch 1
R – Emb Ch 2
C – Emb Ch 3
LFE – Emb Ch 4
Ls – Emb Ch 5
Rs – Emb Ch 6
To Audio
Embed
With all detected signal levels on
Emb Ch 3 – Ch 6 below
threshold, upmixer is active and
overwrites with new 5.1.
Threshold
Detect
5.1 Up Mix
Selected channels Emb Ch 1 – Ch 6
are overwritten with the new 5.1
upmix content.
Emb Ch 1 – Ch 16
> From Audio Routing/Gain Control
Emb Ch 1
Emb Ch 2
Emb Ch 3
Emb Ch 4
Emb Ch 5
Emb Ch 6
L
R
(C)
(LFE)
(Ls)
(Rs)
To Audio
Embed
Threshold
Detect
5.1 Up Mix
Because the selected channels are
already carrying viable content,
upmixing is bypassed, allowing the
six original Emb Ch 1 – Ch 6 to pass
unaffected.
With any detected signal levels
on Emb Ch 3 – Ch 6 above
threshold, upmixer is bypassed.
X
X
X
Note: In either case shown here,
the unselected channels (in
this example, Emb Ch 7 thru
Ch 16) are not involved in
this process and always
pass unaffected.
- 20 dBFS
- 60 dBFS
Above Threshold
(Bypass)
C
LF
E Ls Rs
- 20 dBFS
- 60 dBFS
Below Threshold
(Overwrite)
C
LF
E Ls Rs