Cobalt Digital Inc 9323 Product Manual page 20

1
SDI IN
De-embed
Dolby
Pair (1+2)...(15+16)
Discrete
Dolby
Pair (1)...(8)
AES IN Pair
1-16
®
Dolby Identification and Metadata Output Processing
(See Figure 1-9.) All AES pairs and embedded channels are checked by the
+DEC card for valid Dolby
or discrete AES pair is detected, the channel pair carrying the Dolby
is displayed as "Present Dolby E" or "Present Dolby Digital", as applicable.
(The decoder always uses the metadata associated with its respective AES or
embedded pair.) A selected encoded channel pair can then be directed to the
®
Dolby decoder. The decoder then displays the Dolby
program configuration (for example, "Dolby E 20-bit 5.1+2" indicating
5-channel surround with LFE channel and stereo monitor pair) for the
selected pair, as defined by its metadata.
The +DEC card can embed metadata on the SDI output, sourced from either
SDI input video or from the decoder as desired. Similarly, the
output can provide RS-485 metadata for downstream devices or systems.
Metadata on the
SDI input video or from the decoder as desired.
Audio Decoding
(See Figure 1-9.) Based on the channels carrying the Dolby
the format defined within, the Dolby
audio channels (
channel can be routed just as any other audio channel described in this
section.
SMPTE 2020
De-mux
®
Encoded Embedded
®
Encoded AES
Input Select
®
Figure 1-9 Dolby Decoding and Metadata Output Processing
9323 GROUP PRODUCT MANUAL
®
status. When a valid Dolby
RS-485 output can also be sourced from either
DOLBY META
®
decoder provides up to 10 decoded
thru
Dolby Ch 1 Dolby Ch 8
Input Video
Metadata
Decoder
Metadata
2X2 Mux
®
Dolby
Decode
932X Functional Description
®
encoded embedded
®
bitstream format and
DOLBY META
®
encoded pair and
; ,
Dolby Mix 1 Dolby Mix 2
SDI OUT
SMPTE 2020
Mux
®
Ch 1
Dolby
Decoded
Audio
Channels (Ch 1...Mix 2)
Mix 2
®
Dolby Encoded Channel/
Format/Program
Identification (User
Interface Display)
9323G-OM (V4.6)
®
format
). Each
DOLBY
META