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User Std
Represented Audio Format or Coding Standard
HE-AAC
High-Efficiency Advanced Audio Coding (HE-AAC)
HE-AAC (ADTS)
High-Efficiency Advanced Audio Coding (HE-AAC): Packaged in a streaming format called
Audio Data Transport Stream (ADTS)
3.14.4.4.3
Audio Decoder > Mode
The Mode field sets the default decoder mode or behavior to DECODE or PASS-
THRU. The decoder mode is only applied if supported by the audio format type in
use. The Mode state can be confirmed in the main Audio Decoder section (refer to
section 3.14.4.2.4).
This feature is only available with the Advanced Audio Decoder devices and
therefore only the RX8200.
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3.14.4.4.4
Audio Decoder > Delay Adjustment
This field specifies the Delay Adjustment value for a specific Audio Decoder. The
field accepts delay values between -49.5 ms and +49.5 ms. The audio Delay
Adjustment value is used to offset the System Time Clock (STC) inside the decoder,
where the STC is referenced to the Program Counter Reference (PCR). The STC is
the master clock used to synchronize the Presentation Time Stamp (PTS) of the
incoming audio stream being decoded.
3.14.4.4.5
Audio Decoder > Gain
This field specifies the Gain (dB) to be applied to the audio output on a specific
Audio Decoder, affecting both the analogue and digital outputs. The field accepts
values between -16.0 dB and +6.0 dB
3.14.4.4.6
Audio Decoder > Dynamic Range Control
EN/LZT 790 0005 R7A
DECODE – The Audio Decoder will attempt to decode the audio stream if
decode is supported for the audio format type in use. The audio stream may be
down-mixed or modified.
PASS THRU – The Audio Decoder will attempt to pass-thru the audio stream if
pass-thru is supported for the audio format type in use. The audio stream will
pass-thru without any alteration and will typically be decoded by an external
piece of equipment.
Using the Equipment
3-247
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