Package com.tagtraum.audiokern.psychoacoustics

Class Bark

java.lang.Object

com.tagtraum.audiokern.psychoacoustics.Bark

public final class Bark
extends Object

Bark scale.

Author:

Hendrik Schreiber

See Also:

E. Zwicker and H. Fastl. Psychoacoustics, Facts and Models, volume 22 of Springer Series of Information Sciences. Springer, Berlin, 2nd updated edition, 1999.

Field Summary

Fields

Modifier and Type	Field	Description
static float[]	BAND_BOUNDARIES	Bark band boundaries in Hz.
static float[]	BAND_CENTERS	Bark band centers in Hz.

Method Summary

Modifier and Type	Method	Description
static float	toBark(float frequencyInHz)	Converts a frequency in Hz to the bark scale according to Schroeder's formula.

Methods inherited from class java.lang.Object

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

Field Detail

BAND_BOUNDARIES

public static final float[] BAND_BOUNDARIES

Bark band boundaries in Hz.

BAND_CENTERS

public static final float[] BAND_CENTERS

Bark band centers in Hz.

Method Detail

toBark

public static float toBark(float frequencyInHz)

Converts a frequency in Hz to the bark scale according to Schroeder's formula.

Parameters:

frequencyInHz - frequency in Hz

Returns:

frequency in Bark

See Also:

Schroeder, Atal & Hall, "Optimizing digital speech coders by exploiting masking properties of the human ear", JASA Vol.66 No6 (1979) p 1647-1652