Mpeg Audio; Dolby Digital Ac-3 Audio; Audio Output Format; General - Ericsson RX8000 Series Reference Manual

Annex B
B.2.2

MPEG Audio

The RX8000 Receiver supports decoding of MPEG audio as follows:
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•
•
B.2.3

Dolby Digital AC-3 Audio

The RX8000 Receiver is able to decode and output the primary stereo pair of a
Dolby Digital AC-3 encoded audio stream. When there is data encoded on the audio
surround channels, the Decoder applies downmixing, so that either a surround
encoded stereo pair (LtRt downmix) or a conventional stereo pair (LoRo downmix) is
available at the output.
The RX8000 Receiver is not able to decode and output all 5.1 channels individually
as separate channels:
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•
Note:
B.3

Audio Output Format

B.3.1

General

The RX8000 Receiver provides an independent stereo pair output for each audio
channel. Analogue audio is always output and the following digital audio formats can
be chosen from the User Interface and remote control interfaces:
•
B.3.2

Analogue Audio

The RX8000 Receiver supports level control of the audio outputs. Independent
control of each output of each stereo pair is provided via the User Interface and
remote interfaces.
Audio output connector type: 9 way female D-type
Output level: +20 dBm nominal clipping level. Selectable in range +12 to +24 dBm.
Output impedance: 50 Ω (nominal).
B-8
Compression layers: MPEG-1 layers I and II
Sampling rate: 48 kHz
Maximum compressed data rate: 384 kbps (layer II)
Sampling rate: 48 kHz
Maximum compressed data rate: 640 kbps
Support for Dolby Digital decoding requires approval and licensing from
Dolby.
AES3 format
EN/LZT 790 0005 R1A