index :: flt

flt.notch~

band-rejection filter

available since version: 0.1

---

information

filter that passes most frequencies unaltered, but attenuates those in a specific range to very low levels. It is the opposite of a band-pass filter.

arguments:

• FREQ center frequency
  type: float
  units: Hz
  

• WIDTH band width (approximate)
  type: float
  units: Hz
  

properties:

• @freq Get/set center frequency
  type: float
  units: Hz
  range: 20..20000
  default: 1000
  

• @width Get/set band width (approximate)
  type: float
  units: Hz
  range: 1..10000
  default: 50
  

• @active Get/set on/off dsp processing
  type: bool
  default: 1
  

• @osc (initonly) Get/set OSC server name to listen
  type: symbol
  

• @id (initonly) Get/set OSC address id. If specified, bind all properties to /ID/flt_notch/PROP_NAME osc address, if empty bind to /flt_notch/PROP_NAME.
  type: symbol
  

inlets:

• input signal
  type: audio
• set frequency
  type: control

outlets:

• filtered signal
  type: audio

keywords:

filter lowshelf

See also: [flt.bpf12~]

Authors: Serge Poltavsky

License: GPL3 or later