Cobalt Digital Inc 9083 Product Manual page 21

Introduction
SMPTE 2020
De-muxed Metadata
External
(from SDI IN)
Metadata
RS-485
Metadata
Audio
Setup
Controls
Coding
Mode
Controls
Bitstream
Mode
Controls
IN 1
Input
Audio
IN 6
(Emb 1- 16)
(AES 1- 16)
(AN-AUD 1- 8)
(DM-L,R)
(MONO)
(Tone 1- 4)
(Silence)
9083-ENC-OM (V4.4)
®
Dolby Metadata Selection/Control
When external metadata is being used for encoding, the Dolby
(AC-3) Encoder allows user selection of the following external metadata
sources:
•
Input Video – De-muxed metadata extracted from SDI input video
VBI portion in accordance with SMPTE 2020.
•
RS-485 Input Port – Metadata received from external device/system
using the card's
When an external source is selected, its status is displayed showing the
following:
•
Presence of data on selected source.
•
Program configuration status (AC-3 modes for the various program
configurations defined in the metadata).
Metadata
Select/
Control
Program
Status Mode
Display
Internal
Metadata
Internal
Metadata
Generator
•
Audio Input
•
•
Mapping/
Control
®
Figure 1-7 Dolby Digital (AC-3) Encoder Functional Block Diagram
9083 (WITH DOLBY ENCODING OPTION) PRODUCT MANUAL
DOLBY META IN
Program
Select
Control
External
Metadata
Internal
Metadata
Failover
Select
Metadata
®
Dolby
Audio
Encr Ch 1 – 6
Encode
Status
Display
9083 Functional Description
®
Digital
RS-485 connector.
To Audio
Routing/
®
Dolby
Control
Encoded Pair
(Encd Pair 1/2)
To AES
OUT 5-8
(4X Copies)
1-15