Processing Audio
86 APOLLO
Digital Broadcast Production Console
Frequency
Each band has a full frequency range
from 20Hz to 20kHz. This is controlled by
the middle rotary control on each row.
Response
Pressing the RESP button for any band
in the right column of Control cells allows
the rotary control to scroll through the
available response types. The button
will be lit during this process. Once
the response has been chosen it can
be selected by pressing the button a
second time. When the RESP button is
not pressed, the rotary doubles as the Q
control. Fig 2 shows the Response Types
and parameters
EQ curve display
The touchscreen shows a graphical
representation of the current EQ curve
for the assigned channel. With its band
markers, numerical values and response
type.
Note that a thumbnail view of the EQ
curve is also made available in the
PROCESSING-EQ button cell selector.
Range Q
High Pass Filter
N/A 12 dB/octave
Low Shelf
+18dB to -18dB Variable 6dB/octave
Notch
-30dB Fixed 22.2
Higher Mid
Frequency Bell
+18dB to -18dB Variable 0.3 to 10
Lower Mid
Frequency Bell
+18dB to -18dB Variable 0.3 to 10
High Shelf
+18dB to -18dB Variable 6dB/octave
Low Pass Filter
N/A 12 dB/octave
FIG 2 - EQ PARAMETERS
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