class DSP::FirFilter
- DSP::FirFilter
- Reference
- Object
Overview
General FIR filter class. Contains the filter kernel and performs convolution.
Defined in:
dsp/filtering/fir/fir_filter.crConstructors
-
.new(kernel : Array(Float64), sample_rate : Float64)
A new instance of FIR.
Instance Method Summary
-
#convolve(input)
Convolve the given input data with the filter kernel.
- #freq_response
- #freq_response_db
- #kernel : Array(Float64)
- #order : Int32
- #sample_rate : Float64
Constructor Detail
def self.new(kernel : Array(Float64), sample_rate : Float64)
#
A new instance of FIR. Filter order will by kernel size - 1. @param [Array] kernel Filter kernel values. @param [Numeric] sample_rate The sample rate the filter operates at.
Instance Method Detail
def convolve(input)
#
Convolve the given input data with the filter kernel. @param [Array] input Array of input data to by convolved with filter kernel. The array size must be greater than the filter kernel size.