Filter
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CAUTIONCAUTION
28 Tact Audio
LF LEV FR OCT
1 -12.2 1400 0.29
3
12
4
LEFT Edit Menu
RIGHT Edit Menu
RF LEV FR OCT
1 -12.2 1400 0.29
3
12
4
PAREQ Editing To edit ParEq parameters in ParEq MENU screen select LEFT to edit left channel
parameters or RIGHT to edit right channel parameters. Depending on the selection
one of the following screens will be displayed:
Use LEFT or RIGHT buttons to move the screen cursor to fields 1,2,3 and 4.
1 - When the screen cursor is in LF/RF (LF-left channel filter, RF-right channel filter)
field use UP/DOWN buttons to scroll through all 12 ParEq filters. Note that as
you scroll through the filters, ParEq parameters in fields 2,3 and 4 will keep
changing as they display parameters that correspond to filter number as
displayed in field 1.
2 - LEV field displays signal gain/attenuation that corresponds to the filter number as
displayed in field 1. Filter level can be set anywhere between +12.0 dB to -18.0
dB in increments of 0.1 dB. If this field is set to 0 dB that particular filter has no
effect on the audio signal. Positive values greater than 0 dB in this field indicate
that that particulat filter will amplify audio signal at and around filter frequency as
set in field 3.
3 - FR field displays filter frequency that corresponds to the filter number as
displayed in field 1. Filter frequency can be set anywhere between 15 Hz and 20
KHz with resolution of 1 Hz. If LEV parameter is set to 0 dB the value of this fiels
is irelevant.
4 - OCT field displays filter width given in octaves. Octave parameter is calculated as
1/Q-factor.
It is possible that in some cases ParEq filter settings can cause the system to en-
ter audio signal clipping region. Audio signal clipping will produce harmonic distor-
tions that could be quite audible. The probability of this happening increases with
the amount filter LEV parameter. Clipping can occur only if LEV parameter is posi-
tive (signal gain). Clapping cannot occur if LEV parameter is set to negative values
(attenuation).
ParEq Menu Options M/S-2150 X