class DSP::DualSincFilter
- DSP::DualSincFilter
- Reference
- Object
Overview
Extended windowed sinc filter. Implements bandpass and bandstop using two sinc filters
Theoretical source: http://www.labbookpages.co.uk/audio/firWindowing.html
@author James Tunnell
Defined in:
dsp/filtering/fir/dual_sinc_filter.crConstructors
-
.new(order : Int32, sample_rate : Float64, left_cutoff : Float64, right_cutoff : Float64, window_class : DSP::Windows::Window.class)
Given a filter order, 2 cutoff frequencies, sample rate, and window class, develop a FIR filter kernel that can be used for lowpass filtering.
Instance Method Summary
-
#bandpass(input)
Process the input with the bandpass FIR.
- #bandpass_fir : DSP::FirFilter
-
#bandstop(input)
Process the input with the bandstop FIR.
- #bandstop_fir : DSP::FirFilter
- #left_cutoff
- #left_filter : DSP::SincFilter
- #order : Int32
- #right_cutoff
- #right_filter : DSP::SincFilter
- #sample_rate : Float64
- #window_class : DSP::Windows::Window.class
Constructor Detail
def self.new(order : Int32, sample_rate : Float64, left_cutoff : Float64, right_cutoff : Float64, window_class : DSP::Windows::Window.class)
#
Given a filter order, 2 cutoff frequencies, sample rate, and window class, develop a FIR filter kernel that can be used for lowpass filtering.
Instance Method Detail
def bandpass(input)
#
Process the input with the bandpass FIR. @return [Array] containing the filtered input.
def bandstop(input)
#
Process the input with the bandstop FIR. @return [Array] containing the filtered input.