OPTIMOD-FM OPERATION
3-15
Intermediate Modify
Intermediate Modify is a compromise between Basic Modify and Advanced Modify. It
allows adjusting the dynamics section at approximately the level of control available in
Orban’s 8200 processor. The controls are not extremely dangerous (although you can still
get into trouble if you try hard enough). Most people will never have any reason to go
beyond Intermediate Modify, even if they want to create a “signature sound” for their
station.
Note: Intermediate Modify does not provide
Less/More control. Furthermore,
once you have edited a preset’s dynamics parameters in Intermediate Modify,
Less/More control is no longer available in Basic Modify and will be grayed-
out if you access its screen. As noted above, we recommend using the Basic
Modify
Less/More control to achieve a sound as close as possible to your de-
sired sound before you make further modifications at the Intermediate Modify
level.
Advanced Modify
If you want to create a signature sound for your station that is far out of the ordinary, or if
your taste differs from the people who programmed the
Less/More tables, Advanced
Modify is available to you. At this level, you can customize or modify any subjective
setup control setting to create a sound exactly to your taste. You can then save the set-
tings in a User Preset and recall it whenever you wish.
For the first time in an Orban FM processor, compressor attack times and thresholds are
available, along with settings affecting the automatic clipping distortion control (new to
the 8400). These controls can be exceedingly dangerous in inexperienced hands, leading
you to create presets that sound great on some program material and fall apart embarrass-
ingly on other material. We therefore recommend that you create custom presets at the
Advanced Modify level only if you are experienced with on-air sound design, and if you
are willing to take the time to double-check your work on many different types of pro-
gram material.
Important Note: Once you have edited a preset’s dynamics parameters in Ad-
vanced Modify,
Less/More control is no longer available in Basic Modify and
will be grayed-out if you access its screen. As noted above, we strongly rec-
ommend using the Basic Modify
Less/More control to achieve a sound as
close as possible to your desired sound before you make further modifications
at the Advanced Modify level.
A subtle side-effect of this is the 8400’s behavior when you switch pre-
emphasis. All factory presets actually have two variations, one for 50µs and
one for 75µs. The 8400 uses the appropriate variation is automatically. How-
ever, once you have created a user preset, it will no longer automatically
switch its parameters when you change pre-emphasis. As a rule of thumb, for
similar high frequency texture, a 75µs presets should have its
B4 Compression
Threshold
control set 3 dB higher than an equivalent 50µs preset.
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