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 reveal very clearly the effect that the delays have on the frequency response, 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” register sheet.
Channel Selection
Element Description
Switch for selecting output 1, 2, 3 or output 4 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 EQ-filter bank within the same project.
Filter Parameters
Element
Default 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 con- venient copying all EQ-parameters of
the according filter to any other EQ within the same project.
PEQ PEQ.
Loshelv. His-
helv, Hipass,
Lopass,
Allpass
TYPE defines the filter type.
PEQ is a parametric Peak-Dip-Filter with programmable frequency, Q
and gain.
Loshelv / Hishelv creates a low shelving respectively high shelving
equalizer with the following editable parameters: frequency, slope
and 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 transmis- sion function.
6dB/Oct 6dB/Oct,
12dB/ Oct
SLOPE sets the steepness or filter-order of low or high shelving
equalizers and low or high pass fil- ters. Setting different slopes
within the transmission range is possible. That, in conjunction with
the Q-parameter, offers the possibility for a hi-pass filter to be
programmed for B6-alignment, which describes a drastic rise in the
cut-off frequency range.
79 / 316 /
1261 /
5023Hz
20 Hz...20
kHz
FREQ (frequency) sets the center frequency of a parametric EQ or
the cut-off frequency of shelving and Hi / Lo pass filters.
0.7 0.4...40.0
(PEQ),
Q defines the quality or bandwidth of a parametric EQ. A high Q-value
results in a narrowband filter,
0.4...2.0 (Hi-/ while a small Q-value results in a broadband filter. The Q-value also
sets the quality and thus the
IRIS-Net DIGITAL SOUND PROCESSOR | en 593
Bosch Security Systems B.V. User Manual 2017.05 | 3.20 | F.01U.119.956
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