noiseBandMonitor

Class BandData

java.lang.Object

noiseBandMonitor.BandData

public class BandData
extends java.lang.Object

Class to create a set of octave or third octave bands using base-two exact steps according to the standard ANSI S1.11-2004.

Each band had a mid frequency, a band number and a name.

Author:

Doug Gillespie

Method Summary

Methods

Modifier and Type	Method and Description
static double	calcFreq(int bandNumber)
double[]	getBandCentres()
static double	getBandHalfWidth(BandType bandType)
double[]	getBandHiEdges()
double[]	getBandLoEdges()
java.lang.String[]	getBandNames()
int[]	getBandNumbers()
static int	getHighBandNumber(double frequency) Get the lowest band number which has a centre frequency above the given frequency in Hz.
static int	getLowBandNumber(double frequency) Get the highest band number which has a centre frequency below the given frequency in Hz.

Methods inherited from class java.lang.Object

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

Method Detail

calcFreq

public static double calcFreq(int bandNumber)

getLowBandNumber

public static int getLowBandNumber(double frequency)

Get the highest band number which has a centre frequency below the given frequency in Hz.

Parameters:

frequency - Frequency in Hz

Returns:

Band number (30 = 1000 Hz).

getHighBandNumber

public static int getHighBandNumber(double frequency)

Get the lowest band number which has a centre frequency above the given frequency in Hz.

Parameters:

frequency - Frequency in Hz

Returns:

Band number (30 = 1000 Hz).

getBandHalfWidth

public static double getBandHalfWidth(BandType bandType)

getBandNumbers

public int[] getBandNumbers()

Returns:

the bandNumbers

getBandCentres

public double[] getBandCentres()

Returns:

the bandCentres

getBandHiEdges

public double[] getBandHiEdges()

Returns:

the bandHiEdges

getBandLoEdges

public double[] getBandLoEdges()

Returns:

the bandLoEdges

getBandNames

public java.lang.String[] getBandNames()

Returns:

the bandNames