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Chapter 1
• MPEG-4 AVC HD down-conversion through CVBS output.
• 2 x stereo pair Dolby® Digital audio decoding with 5.1 to 2.0 down-mixing.
• AAC audio decoding with 5.1 to 2.0 down-mixing.
• MPE IP data de-encapsulation.
• Single service filtering and PID remapping.
• Multi-service filtering and stream splitting.
1.2.4 RX8320 ATSC Broadcast Receiver
The RX8320 is specifically designed to enable a simple, reliable solution to the
ATSC broadcast transition for cable, telco or satellite operators who re-transmit the
local broadcast channels.
The RX8320 provides both ASI and 8-VSB inputs for reception of the broadcast
services over terrestrial or fiber links. It then provides a pass-through capability so
that operators can carry the digital signals all the way to a subscriber’s home.
To support analog TV, delivery the RX8320 also provides video decode capability
with high quality composite output and audio decode capability, including 5.1 multi-
channel to stereo down-mixing, to allow easy interfacing into the existing
infrastructure.
Any high definition (HDTV) digital TV service can be down-converted for analog SD
delivery. Automatic picture aspect ratio conversion is performed based on any active
format description (AFD) and bar data present on the incoming digital TV service.
Legal and regulatory requirements are also fulfilled by the RX8320 for the transition
of ATSC broadcast services into analog TV delivery, with the extraction and
insertion of closed captions, Nielsen data, TV Guide data, and V-Chip program
rating information into the analog video outputs.
1.2.4.1 RX8320 Standard Base Features
• All the features listed in RX82XX (and RX83XX) Standard Base Features
Section 1.2.1.1.
• 8-VSB demodulator.
• Transport stream input with ASI connection.
• Automatic redundancy switching between ASI and 8-VSB inputs.
• Transport stream output with ASI connection.
• MPEG-2 SD 4:2:0 video decoding with CVBS output.
• MPEG-2 HD 4:2:0 video down-conversion with SD CVBS output.
• Two service Dolby® Digital audio decoding with 5.1 to 2.0 down-mixing.
EN/LZT 790 0005 R1A
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