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Linear Acoustic AERO.one User Guide
•
System Dialnorm: Specifies the "fallback" dialnorm value which will be used if meta-
data is not applied or if it fails. Default is 24.
•
Apply Dialnorm: Yes/No - If set to yes, then the incoming dialnorm parameter is
applied to the incoming audio to scale it prior to processing. Basically, this allows the
audio to be centered in the minimum activity area of the processing. If dialnorm was
set correctly upstream, then the processing will be minimal. If dialnorm does not
match the audio, the AERO.one will realign it in real time.
4.6
AC-3 Encoder Menu (option)
The Dolby Digital encoder option provides two encoders, the first capable of encoding up
to 5.1 channels and the second capable of up to two channels. Both Dolby Digital (AC-3)
and Dolby Digital Plus (E-AC-3) are supported.
•
AC-3 Bypass: Enabling this option invokes a hard-relay bypass of the Enc. A Bypass
Input to the Encoder A output.
NOTE: Early units will contain this bypass relay which will function in case of fault but
may not be able to be controlled by this manual bypass function.
•
Audio Bit: Controls the audio/non-audio bit of the channel status bits present on En-
coder A and Encoder B outputs. Default in Non-Audio data.
•
Validity Bit: Controls the validity bit of the channel status bits present on Encoder A
and Encoder B outputs. Default is Valid.
•
Encoder Mode EnA: Sets the encoder type for Encoder A to DD for Dolby Digital
(AC-3) or DD Plus for Dolby Digital Plus (E-AC-3). Normal default is DD.
•
DD+ Rate EnA: Sets the output data rate for Encoder A when it is in Dolby Digital
Plus mode. Default is 448 kbps.
•
DD Rate EnA: Sets the output data rate for Encoder A when it is in Dolby Digital
(AC-3) mode. Default is 448 kbps.
•
Acmod EnA: Sets the acmod or Encoding Mode for Encoder A. Notation is front
channels/rear channels/LFE. So 3/2L is 5.1 while 2/0 is 2.0 stereo.
•
Line Mode EnB: Choose the Encoder B Dolby Digital DRC profile for Line Mode
dynamic range compression (i.e the default mode for the stereo line-level outputs of
most set top boxes and TV sets). Choices include Film Std, Film Lgt, Music Std, Music
Lgt, Speech, and "None". Default is Film Std.
28
Detailed Operation
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