Ericsson SPR1100 Operations Instructions Page 149

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Web GUI Control
HE-AAC – High efficiency AAC encode (AAC with Spectral Band Replication).
Requires one SPR/SWO/AUD/AAC license for each stereo pair to be encoded.
Three licenses are required for 5.1 encoding
The following further fields are available (not all of these parameters will always be
present, nor will they all be user-editable):
Bit rate – Bit rate of output audio stream.
Coding Mode – Output channel mode selection (mono, stereo, or 5.1 as
appropriate to the Coding Standard in use).
AU Information Ctrl – Enable embedding PTS in the Adaptation Field for Trick
Mode.
Encapsulation – Container Format used for AAC.
TNS (Temporal Noise Shaping) – Enable/disable AAC TNS tool.
SBR Signaling – Method of signaling Spectral Band Replication.
Advanced
Lip Sync Offset – Timing advance/retard to correct audio/video
synchronization.
Gain – Allows a manual gain correction between +/– 6 dB (in 0.1 dB steps) to be
applied to the audio output.
MPEG Version – Sets whether MPEG-1 or MPEG-2 stream type is signaled in
the PMT.
Language – Sets the language signaled in the PMT descriptor.
Automatic Loudness Control
Automatic Loudness Control (ALC) is a feature available with a SPR/SWO/ALC/C
(charged) or SPR/SWO/ALC/F (free) license.
2/1553-FGC 101 1400 Uen B
5-67
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