Bosch IRIS-Net User Manual page 681

IRIS-Net
thru, 16 kHz
0 dB
Normal
0 ms
Editing X-Over Filters by "Dragging the Mouse" in the Graphics Display
Active X-Over filters (Response not set to thru) are indicated by a white dot on the frequency response curve, which
represents the corresponding filter. A click with the left mouse button onto this dot and keeping the mouse button
pressed down lets you set the frequency of the corresponding filter by moving the mouse to the left or the right. A
filter's title "lights" in color as soon as the mouse cursor is positioned on top of the corresponding white dot to provide
improved overview and handling.
OUTPUT FIR
Bosch Security Systems B.V.
RESPONSE:
thru, 6dB,
12dB/Q=0.5, 12dB/Q=0.6,
12dB/Q=0.7,
12dB/Q=0.8, 12dB/Q=1.0,
12dB/Q=1.2,
12dB/Q=1.5, 12dB/Q=2.0,
Bessel 12dB, Butterworth
12dB, Linkwitz/Riley 12dB,
Bessel 18dB, Butterworth
18dB, Bessel 24dB,
Butterworth 24dB, Linkwitz/
Riley 24dB
FREQ:
20 Hz to 20 kHz
-30 dB to 6 dB
Normal, Inverted
0.0 to 20 ms
This parameter block represents the LOPASS filter.
Different types of filters (Bessel, Butterworth, Linkwitz/
Riley) with slopes between 6 dB/Oct. and 24 dB/Oct. can
be set as filter response. Selecting filter frequencies
between 20 Hz and 20 kHz is possible as well.
A click with the right mouse button on the LOPASS field
opens the Copy & Paste menu, which allows copying all
parameters of the corresponding LO-PASS filter to any
LO-PASS filters within the same project.
TRIM allows increasing the level of the corresponding
channel by up to 6 dB or lowering it by up to 30 dB to
allow level adjustment among individual frequency
bands.
The POLARITY parameter offers the possibility to invert a
channels audio signal, i.e. to rotate its phase by 180°.
Inverting the signal may become necessary for some
specific crossover settings to eliminate the risk of sound
cancellation at the crossover frequency. The effect of the
polarity parameter becomes obvious when displaying the
summed signal of the two amplifier channels (switch set
to "Sum").
DELAY allows the delay of the audio signal from the
corresponding output by an adjustable period of time.
HINT: The X-Over Delay parameter is used for the
alignment of transducers within cabinets. Optimized
delay values are included in Electro-Voice Speaker
Settings and should not be edited.
Press the ACTIVE button to deactivate the delay
(Bypass), which allows for quick A / B-evaluation of the
actual effect that the delay has on the sound.
User Manual
DIGITAL SOUND PROCESSOR | en
2017.05 | 3.20 | F.01U.119.956
681