2-32
INSTALLATION
ORBAN MODEL 1101
sor/limiter as a high-frequency limiter. If you hear audible pumping on
material rich in high frequencies, turn down the B5
T
HRESHOLD
control un-
til you find the most subjectively pleasing trade-off between high fre-
quency loss and look-ahead limiter pumping. You can also try speeding
up the B5
A
TTACK
control by setting it to a lower number, or adjusting the
both controls to taste.
When you use a 2-Band “TVA” preset, some material rich in high fre-
quencies may cause subtle pumping even with
D
IALNORM
set to its nomi-
nal –17 dB value. This is because the 2-band compressor cannot produce
high frequency limiting, so preemphasis control must be performed by
the loudness controller and look-ahead limiter. We have tuned the 5-
Band factory “TVA” presets to produce appropriate amounts of high fre-
quency limiting. We therefore recommend that if you need to use a
“TVA” preset, use a 5-Band preset unless you have a very good reason
not to.
Input Setup
There are three input mixers in the I/O Mixer: the
P
ROCESSOR
M
IXER
and two
D
IRECT
M
IXERS
(
for logical sound devices 1 and 2; see Figure 2-6 on page 2-32).
•
The Processor Mixer drives the input of OPTIMOD-PC’s audio processing.
•
The Direct Mixer drives the direct input of OPTIMOD-PC’s Output Routing
Switcher.
Each Direct Mixer has six inputs:
Figure 2-6: Direct Mixer 1 Page in I/O Mixer
Summary of Contents for Optimod-PC 1101
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