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Annex B
B.3.3 Audio Routing
The RX8000 Receiver supports the following routing of audio signals:
• STEREO (Channel 1 left, Channel 2 right)
• MIXED TO BOTH (Channel 1 and 2 on left and right)
• LEFT TO BOTH (Channel 1 on left and right)
• RIGHT TO BOTH (Channel 2 on left and right)
When the input signal is STEREO, the Audio digital output format will always be
STEREO.
Where a dual mono service is available, it is possible to configure the output as
MIXED TO BOTH, LEFT TO BOTH and RIGHT TO BOTH.
B.3.4 Lip Sync
The audio at the output remains synchronous to the decoded video by default (i.e.
where both video and audio streams are available from the same service). In such
circumstances the video and audio streams share the same PCR.
The lip sync error (delay from presentation of video until presentation of audio)
introduced by the Receiver is in the range of ±2 ms.
The lip sync delay between different stereo pairs is ±2 ms because the PTS will be
presented independently for each pair.
B.3.5 Supported Audio Specifications
Table B.9 Supported Audio Specifications
Specification Description
ISO/IEC 13818
Generic Coding of Moving Pictures and Associated Information:
(MPEG-2) Audio.
ATSC A-52 Digital Audio Compression Standard (Dolby Digital).
B.3.6 Supported Audio Bit Rates
Table B.10 Supported Audio Data Bit Rates (MPEG-2)
Mono kbps Stereo kbps
32 64
48 96
56 112
64 128
EN/LZT 790 0005 R1A
B-10