Ericsson AVP 2000 Series - Page 260

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5-84
EN/LZT 790 0023/1 R16A
Parameter Options Description
Audio Description Service
MPEG-1 Layer II encode of a mono audio track that
describes action in the video plus a control track.
Table 5.55 MPEG Layer 2 Parameters
Parameter Values Description
Bit Rate
32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224,
256, 320, 384
Bit Rate of the audio stream
Coding Mode
1/0 (Left - input), 1/0 (Right - input), 1/0 (L+R)/2,
1+1 (L/Ch1, R/Ch2), 2/0, 2/0 (Joint), Phase
Aligned Audio (6 Cannels), Phase Aligned Audio
(8 Cannels)
Specifies what channel configuration to use for encoding..
Embedded PCR On, Off
Controls whether PCR is to be embedded in the audio
PES.
Au Information Cont Off, AU Info
Controls the insertion of private data in the adaptation unit
of the audio access units (AU). AU Info is defined in ETSI
TR 101 154. Only AU_PTS is present for audio
Advanced
Lip Sync Offset -500 to 500 ms
Configures a delay to the audio to improve A/V
synchronization.
Gain -6 to 6dB Sets the gain in dB for the audio stream.
Language
The language of the stream when not in dual mono (1+1)
mode.
Language (Left)
The language of the left channel when in dual mono (1+1)
mode.
Language (Right)
The language of the right channel when in dual mono
(1+1) mode.
User Language 1
A custom three-character language code when User
Language 1 is set in any of the language fields.
User Language 2
A custom three-character language code when User
Language 2 is set in any of the language fields.
MPEG Version MPEG1, MPEG2 Configures if MPEG-1 or MPEG-2 to be ignaled.
Copyright Off, On Indicates if the material is copyright protected.
Original Off, On Indicates if source is the original or a copy
De-emphasis Off, 50/15us, CCITT J.17
To meet the MPEG-1 Layer 2 encoding algorithm
specification the audio must not have pre-emphasis
applied. If the input signal does have pre-emphasis
applied, a de-emphasis filter must be applied prior to
encoding.
Table 5.56 Dolby Digital Parameters
Parameter Values Description
Bit Rate
56, 64, 80, 96, 112, 128, 160, 192, 224, 256,
320, 384, 448, 512, 576, 640
Bit Rate of the audio stream. The available options depend
on the selected coding mode.
Coding Mode
1/0 (Left – input), 1/0 (Right – input), 1/0 (L+R)/2,
2/0, 3/2L (5.1 Surround)
Specifies what channel configuration to use for encoding.