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2.3 Basic Loudness Enhancement Procedure 2 OPERATION
The BAND SPLIT function is offered as an additional mode that may be useful under
some specific conditions. When band splitting is selected, the processing is split
into three frequency bands to avoid intermodulation distortion between parts of the
programme signal spectrum. This mode is occasionally advantageous when going
for maximum loudness enhancement where there is a significant predominance of
specific frequency ranges in the programme content. However it should be noted
that, depending on programme and settings, operation in this mode produces output
levels that are beyond the relative input peak level. This means that the signal is
more likely to clip at the output, which may produce an increased harshness to the
sound. If this becomes obtrusive, reducing the input or output levels to avoid
clipping will obviously somewhat negate the purpose of the exercise!
2.3 Basic Loudness Enhancement Procedure
For basic loudness enhancement, the procedure is to get the programme up to
maximum normalised level at the input (0dB) in order to fully benefit from the Inflator
process, apply the Inflator processing to get the desired effect, and then adjust the
output level to maintain desired maximum modulation.
Start with the
CLIP 0dB
function selected to limit the range of the Inflator to normal
digital maximum.
Using the INPUT level control and input meter, set the level such that the red 0 db
over indicator flashes occasionally to indicate the presence of max peak sample
values.
Set the
OUTPUT
level control to maximum initially, so that the input and output
meters have similar readings when the music is played.
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