Peqia -- Set All Parameters For Specified Parametric Eq Input Stage - Polycom Vortex EF2211 Programming Manual

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8.114. PEQIA -- Set All Parameters for Specified Parametric
EQ Input Stage
This command sets or queries all of the parameters for the parametric equalizer (EQ) filters on input
channels 1, A, B, and T input channel T. Each channel has five bands of parametric EQ that can be
independently controlled.
The input parametric EQ filter parameters can be set individually via the PEQIT, PEQIF, PEQIB,
PEQIG, PEQIS, and
simultaneously via the
PEQOS, and commands.
PEQOE
When using this command, you must specify all of the following parameters.
Description Value Range
Channel 1, A, B, T
Band 1-5
Filter Type 1-5
Frequency 20 - 20000
Bandwidth 5 - 200
Gain -20 - 20
1 - 1.2 * Gain for shelving filters, 12 or 24 for Linkwitz-
Slope
Riley filters
Enable 0 - 1
The parameters are specified in the order shown and are separated by commas. The wildcard
character, *, may not be used for any of the parameters listed above. If an attempt is made to set
one of the parameters outside the valid range, the command will fail and return an error message of
ERROR#002.
Not all of the parameters are valid for each of the filter types. The following table shows which
parameters are used in each of the filter types.
Filter Type
Query the current non-volatile memory password.
commands. The output parametric EQ filter parameters can be set
PEQIE
command or individually with the PEQOT, PEQOF, PEQOB, PEQOG,
PEQOA
Bandwidth Frequency
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Units
N/A
N/A
1 = parametric filter
2 = low shelf
3 = high shelf
4 = lowpass
5 = highpass
6 = Linkwitz-Riley lowpass
7 = Linkwitz-Riley highpass
Hz
1/100th octave
dB
dB per octave
0 = filter disabled
1 = filter enabled
Gain Slope