Notch Filter
The Notch Filter attenuates a narrow band of frequencies centered around a set frequency to -100 dB. The Notch Filter is typically used to attenuate feedback frequencies in live situations.
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Note: The number of signal pins is variable and set in the component's Type Property.
Input Pins
Channels
Audio signal pins are represented by a () circle, and traditional wiring is represented by a thin black line. You can use Signal Names on audio signal pins.
By default, the Notch Filter component is set to a Mono channel, which provides one input and one output. Additionally, you can set the Properties to allow for Stereo, which gives you two inputs and outputs; or you can choose Multi-Channel, which will allow you to choose between 2 and 256 inputs and outputs.
Output Pins
Channels
Audio signal pins are represented by a () circle, and traditional wiring is represented by a thin black line. You can use Signal Names on audio signal pins.
By default, the Notch Filter component is set to a Mono channel, which provides one input and one output. Additionally, you can set the Properties to allow for Stereo, which gives you two inputs and outputs; or you can choose Multi-Channel, which will allow you to choose between 2 and 256 inputs and outputs.
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Tip: For additional properties not listed, refer to the Properties Panel help topic for more information.
Notch Filter Properties
Channels
Type
Sets the type of Channel available for Inputs and Outputs.
Count
Only appears when choosing Multi-Channel as the Type. Sets the number of Channels for Multi-channel. You can choose between 2 and 256.
Response Panel
Enabled
Enables or disables the graphical Response graph.
Size
Sets the size of the graphical Response graph.
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Response Panel
The Response panel provides vertical and horizontal cross-hairs with a dynamic frequency and level read-out. Place the mouse courser over the graph to activate the cross-hairs. When the Phase control is activated, the horizontal cross-hair line to the left of center represents the normal curve, the right side represents the phase curve. The readout is only for the normal curve.
Phase
Turns the Phase curve display on and off.
Bypass
Bypasses the filter.
Invert
Inverts the output signal.
Mute
Mutes the output signal.
Frequency (Hz)
Sets the center frequency of the band of frequencies to be attenuated by the filter.
Bandwidth (Octave)
Sets the width of the band of frequencies to be attenuated by the filter.
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Pin Name |
Value |
String |
Position |
Pins Available |
---|---|---|---|---|
Bandwidth |
0.010 to 1.00 |
.010 to 1.00 |
0.000 to 1.00 |
Input / Output |
Bypass |
0 1 |
active bypass |
0 1 |
Input / Output |
Frequency |
10.0 to 20,000 |
10 Hz to 20 kHz |
0.000 to 1.00 |
Input / Output |
Invert |
0 1 |
normal invert |
0 1 |
Input / Output |
Mute |
0 1 |
unmute mute |
0 1 |
Input / Output |