Package Acquisition

Class DCFilter

java.lang.Object

Acquisition.DCFilter

public class DCFilter
extends Object

Class to remove DC offset from audio data.

Author:

Douglas Gillespie

Constructor Summary

Constructors

Constructor	Description
DCFilter(double sampleRate, double timeConstant, int nChannels)

Method Summary

Modifier and Type	Method	Description
void	filterData(int channel, double[] data)	Filter data in place.
double	getAlpha()
double[]	getBackground()
int	getChannelCallCount(int channel)
int	getnChannels()
double	getSampleRate()
double	getTimeConstant()
void	setTimeContant(double sampleRate, double timeConstant)	Set the time constant

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DCFilter

public DCFilter(double sampleRate,
 double timeConstant,
 int nChannels)

Method Details

setTimeContant

public void setTimeContant(double sampleRate,
 double timeConstant)

Set the time constant

Parameters:

timeConstant -

timeConstant2 -

timeConstant -

filterData

public void filterData(int channel,
 double[] data)

Filter data in place.

Parameters:

channel -

data -

getChannelCallCount

public int getChannelCallCount(int channel)

getSampleRate

public double getSampleRate()

getTimeConstant

public double getTimeConstant()

getnChannels

public int getnChannels()

getBackground

public double[] getBackground()

getAlpha

public double getAlpha()