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7700 MultiFrame Manual
7721AE8-DEE-HD HD-SDI/SD-SDI Audio Embedder with Dolby Encoder
6.11.2. Configuring the External Metadata I/O
Metadata
DB9C
Tx Primary/ Rx Secondary
Rx Primary/Tx Secondary
6.11.2.1. Selecting Metadata source for Dolby-E encoder
Metadata
MD_A
DEAM
VANC A
External A
Processed
Automatic
Page-38
This
configures
connection.
TXRX
TXRX configures the Metadata I/O to receive from a
RXTX
metadata transmitting device (such as a Dolby DP570 unit)
with the following pin out:
RXTX configures the Metadata I/O to transmit to a
metadata receiving device (such as a Dolby DP570) with
the following pin out:
With this control you can set which metadata source you
wish to provide to the Dolby-E encoder.
The source of metadata controls the encoding format of
VNCA
the Dolby-E encoder module.
EXTA
PROC
Select VNCA to take the metadata from the input VANC
AUTO
packets.
Select EXTA to take the metadata from the external META
input.
Select PROC to take the metadata from the metadata
processor.
Selecting AUTO will automatically generate a default
metadata message based on the "Dolby Encoder
automatic program configuration selection" (refer to
section 9 for the default metadata parameter settings).
Revision 1.2
the
external
Pin#
7721AE8-DEE-
HD (Rx)
2
Tx A-
3
Rx B+
7
Tx B+
8
Rx A-
Pin#
7721AE8-DEE-
HD (Tx)
2
Rx A-
3
Tx B+
7
Rx B+
8
Tx A-
Metadata
I/O
DB-9
transmitting
device
Rx A-
Tx B+
Rx B+
Tx A-
Receiving
device
Tx A-
Rx B+
Tx B+
Rx A-
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