Cobalt Digital Inc BBG-1022-2FS Product Manual page 17

Introduction
Figure 1-4 Audio Down Mix Functional Block Diagram with Example Sources
BBG1022-2FS-OM (V1.3)
Audio Down Mix Function
(See Figure 1-4.) The Audio Down Mixer function provides for the selection
of any five embedded channels serving as Left (
Surround ( ), and Right Surround (
Ls
into stereo pair Down Mix Left (
resulting stereo pair
DM-L
audio pair as desired (or de-embedded to an AES or analog audio output).
Embed Ch 1 - Ch 16
Emb Ch 1 L
R
Emb Ch 2
C
Emb Ch 3
Emb Ch 5 Ls
Rs
Emb Ch 6
Flex Buses
For both input and output nodes before and after the internal buses, flex buses
provide flexible-structure mixer in which any of 16 summing nodes (
thru
Bus A Flex Mix Bus P
allowing several customizable mixing schemes. Similarly, any of the 16
internal bus signals can be applied to an output flex bus mixer. The output flex
bus allows cross-sourcing from both
Audio Bus sources to the Path 1 and Path 2 discrete output audio crosspoints.
Text-To-Speech
Cobalt Digital is a complete 21CVAA digital text-to-speech generation /
+TTS
audio insertion solution for embedded and discrete audio systems.
interfaces with industry standard Windows Share folder systems to
+TTS
receive non-proprietary text, XML, or similar plain text files, and converts
and inserts realistic human-voice audio into user-configured audio channels
(typically an SAP channel pair intended for this playout).
prioritization based on the organization's discretion (for example, severe
weather alerts out-prioritizing school closings). Alert tones are inserted over
the main program channels to alert the visually impaired that emergency
content is to occur on the SAP channel. Alerts can be played a configurable
number of times, and alerts with higher priority can interrupt current lists for
breaking news. Once the interrupt message is broadcast,
reverts to normal audio programming. Refer to +TTS Manual Supplement
OPT-TTS-MS for detailed information and installation/setup instructions.
BBG-1022-2FS PRODUCT MANUAL
BBG-1022-2FS Functional Description
), Right (
L
) individual signals to be multiplexed
Rs
) and Down Mix Right (
DM-L
and can in turn be routed to any embedded
DM-R
DM-L
DM-R
) can receive any device audio input, thereby
and
Path 1 Path 2
), Center ( ), Left
R C
). The
DM-R
Flex Mix
embedded internal
allows for
+TTS
automatically
+TTS
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