Crestron C2N-DAP8RC Specifications download pdf (Page 76)

Digital Audio Processor with Room Control Crestron C2N-DAP8RC

72 • Digital Audio Processor with Room Control: C2N-DAP8RC Operations Guide - DOC. 8187A

Parametric Equalizer Control Signals (continued)

SIGNAL TYPE

(D/A, I/O)*

FUNCTION

Filter_Mode

Filter_Mode_FB

Sets the type of filter or EQ, as follows:

Filter_Mode

Value

Off (no EQ) 1

EQ Filter - boosts or attenuates

specified frequency, as in a

graphic equalizer band.

Bass Shelf - uniformly boosts or

attenuates all frequencies below

the Filter_Freq level. The amount

of modification is given by

Filter_Gain.

Treble Shelf - uniformly boosts or

attenuates all frequencies above

the Filter_Freq level. The amount

of modification is given by

Filter_Gain.

Low Pass - filters out all audio

above the Filter_Freq level.

High Pass - filters out all audio

below the Filter_Freq level.

Filter_Freq

Filter_Freq_FB

Selects the center frequency. Valid values range

from 20 (20 Hz) to 20000 (20 kHz).

Filter_BW

Filter_BW_FB

Controls the bandwidth of a given filter, and is

expressed in octaves. Although ‘bandwidth’

applies only to the EQ filters, the CN2-DAP8RC

can derive Q or slope from bandwidth to control

the sharpness of high pass, low pass, and shelf

filters. Use of uniform units permits clean

transitions between filter types, such as from EQ

filter to lowpass.

For EQ, lowpass, and highpass, bandwidths in

the range of 0.02 to 2.0 are appropriate. For the

shelf filters, a range of 1.0 to 3.0 is appropriate.

Smaller values represent a narrow band of boost

or attenuation; larger ones represent a wide band

of boost or attenuation.

Filter_Gain

Filter_Gain_FB

Boosts or attenuates the center frequency, or

with shelving filters, all frequencies above or

below the center frequency. Valid values range

from -240 (-24 dB) to +240 (+24 dB).

Preset#

Preset#_FB

The Preset# input defines the preset to be stored

or recalled; thus valid values range from 1

through 5, or 0 for no preset. The Preset#_FB

output reports the current preset.

*Signal types are shown as DI (digital input), DO (digital output), AI (analog input), or AO (analog

output). The filter feedback signals report the state of the filter defined by Filter_Channel and Filter_Band.

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Crestron C2N-DAP8RC Specifications Page 76

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