BandData

java.lang.Object

noiseBandMonitor.BandData

public class BandData extends 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

Modifier and Type

Method

Description

static double

calcFreq(int bandNumber)

double[]

getBandCentres()

static double

getBandHalfWidth(BandType bandType)

double[]

getBandHiEdges()

double[]

getBandLoEdges()

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 Details
- 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 String[] getBandNames()
  
  Returns:
  
  the bandNames