Cisco D9054 Installation And Operation Manual page 160

Setting Up AAC Processing,
Tool
Spectral Band
Replication (SBR)
Parametric Stereo
The following is a list of mandatory combinations to use when enabling the
compression tools:
• Temporal Noise Shaping
• Temporal Noise Shaping, Spectral Band Replication, and Parametric Stereo
• Temporal Noise Shaping and Spectral Band Replication
• Spectral Band Replication
• Spectral Band Replication and Parametric Stereo
5. Select ARIB Auto Mode Change to allow mode changes through the ARIB STD-
B39 ancillary data. The default is de-selected.
6. Select Copyright if you want to signal that the encoded bit stream is protected
by copyright. The default is selected.
7. Select Original if you want to signal that the encoded bit stream is an original.
The default is selected.
8. Click Apply.
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Continued
Function
SBR is a proprietary Coding Technologies'
technique that halves the sampling rate, but encodes
the missing higher frequencies at a rate of 1.5 kbit/s
and stores them in the auxiliary data fields of the
MPEG format.
Select to enable the MPEG-4 HE-AAC v2 Parametric
Stereo tool.
D9054 HDTV Encoder Intstallation and Operation Guide 4038938 Rev A