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Chapter 6 Audio Modules
Table 6–1: Audio Module continued
Module
AHC-561
a.
The AHC-RAC and onboard audio use implementations of AAC/HE AAC by Fraunhofer IIS.
b.
Requires an optional firmware license.
c.
The AHC-RAC and onboard audio use implementations of AAC/HE AAC by Fraunhofer IIS.
IOM-RAC2 Module
No more than one IOM-RAC2 can be installed in a chassis. All audio services will be routed
through it.
When an IOM-RAC2 is installed in a chassis, all provisioned audio streams will be routed and
processed by the IOM-RAC2.
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AES3 digital audio inputs; 4 × BNC (AES 3id/SMPTE 276M).
n
Completely embedded audio extraction of eight pairs from four groups from the serial
n
digital video input (48 kHz synchronous to video only).
Transcode AC-3 to E-AC-3 (one multi channel or two stereo).
n
One multi channel and one stereo pair for each AHC-561 mounted.
n
Transcoding of Dolby E to AC-3 or E-AC-3 5.1 with backup from PCM, plus
n
simultaneous stereo.
Transcoding of AC-3 into E-AC-3.
n
Up to four AHC-561 modules supported per 9200 chassis. See
n
detailed specifications.
52
Feature
a
IOM-RAC2 Module
a
a
AHC-561 Module
for
Electra 9200, Rev O
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