Instruction Manual
5.9 HD-AAC 5 THE PRO-CODEC PLUG-IN
that is buried in the lossless codec. To do this, select AAC-LC CBR with the
appropriate bit rate.
LevelChange
If a level change is required in the plug-in, and implemented using the TRIM tab,
again it is wise to verify the audition signal.
DitherandTruncation
It is necessary to correctly dither and truncate the input to the HD-AAC codec
(lossless). The audition DIFF signal quickly indicates if correct dither and truncation
is being applied. Simply put, if any noise is seen in the DIFF signal, you have not
dithered/truncated the input to the plug-in properly. Note that you might not need to
dither/truncate if the input files are playing without any processing; again the DIFF
signal indicates quickly whether this is true or not.
HearingaDifference
Some people might think they can hear a difference between an input and the output of a
lossless codec. Using A-B mode or the A-B-X test, this plug-in allows a user to make up
their own mind if they can hear the difference.
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