edu.msoe.taylor.audio

Class Note

java.lang.Object

edu.msoe.taylor.audio.Note

public class Note
extends java.lang.Object

The Note class describes a note. Each note must have duration and either a pitch specified in scientific pitch notation or a frequency. If scientific pitch is specified, the frequency is calculated.

See Also:

Scientific Pitch Notation

Field Summary

Fields

Modifier and Type	Field and Description
private static float	A0 Frequency for A0
private float	duration Duration of note in milliseconds.
private float	frequency Frequency of note in cycles per second.
private java.lang.String	name Name of note in scientific pitch notation.

Constructor Summary

Constructors

Constructor and Description
Note(float frequency, float duration) Constructs a new Note object with the specified frequency and duration.
Note(java.lang.String name, float duration) Constructs a new Note object with the specified pitch and duration.

Method Summary

Methods

Modifier and Type	Method and Description
float	getDuration() Returns the duration of this note.
float	getFrequency() Returns the frequency (in Hz) of this note.
private float	getFrequency(java.lang.String scientificPitch) Returns the frequency of the specified note and octave.
java.lang.String	toString() Returns a string representation of the note.

Methods inherited from class java.lang.Object

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

Field Detail

name

private final java.lang.String name

Name of note in scientific pitch notation.

frequency

private final float frequency

Frequency of note in cycles per second.

duration

private final float duration

Duration of note in milliseconds.

A0

private static final float A0

Frequency for A0

See Also:

Constant Field Values

Constructor Detail

Note

public Note(java.lang.String name,
    float duration)

Constructs a new Note object with the specified pitch and duration.

Parameters:

name - Scientific pitch notation for the note

duration - Duration of the note in milliseconds

Note

public Note(float frequency,
    float duration)

Constructs a new Note object with the specified frequency and duration.

Parameters:

frequency - Frequency in hertz

duration - Duration in milliseconds

Method Detail

getFrequency

private float getFrequency(java.lang.String scientificPitch)

Returns the frequency of the specified note and octave. For example: ("C", 4) specifies middle C on a standard piano (~262Hz)

Parameters:

note - Note from A-G, including sharps (#) specified as "A", "A#", "B", ...

octave - Octave of note

Returns:

The frequency of the specified note.

See Also:

wikipedia Note entry

getFrequency

public float getFrequency()

Returns the frequency (in Hz) of this note.

Returns:

frequency in hertz

getDuration

public float getDuration()

Returns the duration of this note.

Returns:

duration in seconds

toString

public java.lang.String toString()

Returns a string representation of the note.

Overrides:

toString in class java.lang.Object