net.beadsproject.beads.data
Class Pitch

java.lang.Object
  net.beadsproject.beads.data.Pitch

public abstract class Pitch
extends java.lang.Object

A set of static fields and utility methods associated with pitch.

Author:

ollie

Field Summary

static int[]	circleOfFifths The circle of fifths relative to root.
static int[]	dorian The dorian scale relative to root.
static float	LOG2 The constant log(2) = 0.6931472.
static int[]	major The major scale relative to root.
static int[]	minor The minor scale relative to root.

Constructor Summary

Pitch()

Method Summary

static float	ftom(float frequency) Convert frequency to MIDI note number.
static float	mtof(float midi) Convert MIDI note number to frequency.

Methods inherited from class java.lang.Object

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

Field Detail

LOG2

public static final float LOG2

The constant log(2) = 0.6931472.

See Also:

Constant Field Values

dorian

public static final int[] dorian

The dorian scale relative to root.

major

public static final int[] major

The major scale relative to root.

minor

public static final int[] minor

The minor scale relative to root.

circleOfFifths

public static final int[] circleOfFifths

The circle of fifths relative to root.

Constructor Detail

Pitch

public Pitch()

Method Detail

ftom

public static final float ftom(float frequency)

Convert frequency to MIDI note number.

Parameters:

frequency - the required frequency.

Returns:

the resulting MIDI note number.

mtof

public static final float mtof(float midi)

Convert MIDI note number to frequency.

Parameters:

midi - the required MIDI note number.

Returns:

the resulting frequency.