Bosch IRIS-Net User Manual page 631

IRIS-Net
Switch for including programmed delays in the frequency or phase response indication. The delays
mainly affect phase response indication. Indicating the sound system processor channels' summed
signals reveals very clearly the effect that the delays have on the frequency res- ponse, e.g. as notch
filter effect.
Switch for additionally indicating measured speaker transfer functions. For this function to be
effective you first have to load speaker data in the "Speaker" tab.
Channel Selection
Element Description
Switch for selecting output 1, 2, 3, 4. 5 or output 6 for filter editing.
A click with the right mouse button opens the "Copy & Paste" menu, which allows convenient copying all
EQs of the corresponding output to any other DSP 600 Output EQ-filter bank within the same project.
Filter Parameters
Element Default
PEQ
6dB/Oct
20 / 62 /
250 / 1k
/ 4k / 16k Hz
0.7
0 dB
Bosch Security Systems B.V.
Range Description
Name of the corresponding filter band.
A click with the right mouse button on this field opens the "Copy & Paste"
menu, which allows convenient copying all EQ-parameters of the
according filter to any other EQ within the same project.
PEQ. TYPE defines the filter type.
Loshelv. PEQ is a parametric Peak-Dip-Filter with programmable frequency, Q and
Hishelv, gain.
Hipass, Loshelv / Hishelv creates a low shelving respectively high shelving
Lopass, equalizer with the following editable parameters: frequency, slope and
Allpass gain.
Lopass / Hipass creates low pass respectively high pass filters with
adjustable frequency and slope.
Allpass is a filter which only affects the phase but not the frequency
response of the transmission function.
6dB/Oct, SLOPE sets the steepness or filter-order of low or high shelving equalizers
12dB/ Oct and low or high pass filters. Setting different slopes within the
transmission range is possible.
20 Hz to 20 FREQ (frequency) sets the center frequency of a parametric EQ or the cut-
kHz off frequency of shelving and Hi / Lo pass filters.
0.4 to 40.0 Q defines the quality or bandwidth of a parametric EQ. A high Q-value
(PEQ), 0.4 to results in a narrowband filter, while a small Q-value results in a broadband
2.0 filter. The Q-value also sets the quality and thus the response of Hi, Lo and
(Hi-/Lo-/ All pass filters with slopes of 12dB/oct..
Allpass)
-18 to +12 GAIN defines the amplification (increase) or attenuation (reduction) of
dB parametric EQs or low shelving and high shelving equalizers.
User Manual
DIGITAL SOUND PROCESSOR | en
2017.05 | 3.20 | F.01U.119.956
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