sound
Class SoundUtils

java.lang.Object
  sound.SoundUtils

public class SoundUtils
extends java.lang.Object

Created by IntelliJ IDEA. User: Douglas Lyon Date: Dec 20, 2004 Time: 6:06:44 PM Copyright DocJava, Inc.

Field Summary

static javax.sound.midi.MidiChannel[]	channels
static boolean	DEBUG

Constructor Summary

SoundUtils()

Method Summary

static double[]	bandpassFilter(double[] d, int lowFreq, int highFreq, double squelch)
static void	beep()
static javax.media.protocol.DataSource	createDataSource(javax.media.Format format)
static void	echo(double[] linearSamples)
static void	echo(int numberOfEchos, double decay, double[] linearSamples)
static int	freqToMidiPitch(double freq) Convert a frequency into a MIDI note pitch.
static void	getAuFilePlayAndDisplay()
static int[]	getBandpassedHarmonics(int[] frequencies, int lowFreq, int highFreq)
static javax.media.protocol.DataSource	getCaptureDataSource(javax.media.format.VideoFormat vf)
static javax.media.protocol.DataSource	getCaptureDataSource(javax.media.format.VideoFormat vf, javax.media.format.AudioFormat af)
static javax.media.CaptureDeviceInfo[]	getCaptureDeviceList()
static javax.media.CaptureDeviceInfo[]	getCaptureDevices()
static javax.media.CaptureDeviceInfo	getDevice()
static javax.sound.sampled.LineListener	getLineListener()
static javax.sound.midi.MidiDevice.Info	getMidiDeviceInfo(java.lang.String strDeviceName, boolean forOutput)
static double	getMidiFrequency(int midiNoteNumber)
static int[]	getMidiNoteNumbers(int[] frequencies) Get only valid midi note numbers from an array of frequencies.
static int	getMidiNumber(double freq)
static int[]	getNoteClassesFromMidiNN(int[] nn)
static int	getNoteClassFromMidiNN(int nn)
static javax.sound.sampled.SourceDataLine	getSourceDataLine(javax.sound.sampled.AudioFormat defaultAudioFormat)
static javax.sound.sampled.AudioFormat	getSupportedInputAudioFormat()
static javax.sound.midi.Synthesizer	getSynthesizer()
static javax.sound.sampled.TargetDataLine	getTargetDataLine(javax.sound.sampled.AudioFormat audioFormat)
static javax.sound.sampled.TargetDataLine	getTargetDataLine(javax.sound.sampled.Mixer.Info mixerInfo, javax.sound.sampled.AudioFormat audioFormat, int nBufferSize)
static int[]	getWholeNotesFromNoteClass(int[] noteClasses)
static void	listDevicesAndExit(boolean forInput, boolean forOutput)
static void	main(java.lang.String[] args)
static void	noteOff(int nNoteNumber)
static void	noteOn(int nNoteNumber)
static void	noteOn(int nNoteNumber, int nVelocity)
static void	play(int nn)
static void	play(int[] ia, int dur)
static void	play(int[] ia, int vel, int dur)
static void	play(int nn, int dur)
static void	play(int nn, int vel, int dur)
static void	play(javax.sound.midi.Synthesizer synth, int nNoteNumber, int nVelocity, int nDuration)
static void	playNote(int nNoteNumber, int nVelocity, int nDuration)
static void	playSound()
static void	playSound(java.net.URL f)
static void	playThread(int[] ia, int vel, int dur)
static void	playWaveFile(java.io.File readFile)
static void	printSupportedLines()
static void	processData(ByteProcessor bp, javax.sound.sampled.AudioFormat audioFormat)
static void	processData(ShortProcessor sp)
static void	setCaptureFormat(javax.media.protocol.CaptureDevice cdev, javax.media.Format format)
static void	setInstrumentGui()
static void	showInfoDialog()
static void	sleep(int nDuration)
static void	testPlay()
static void	testPlayClip()
static void	testRecorder()
static int[]	transpose(int[] ia, int bias)

Methods inherited from class java.lang.Object

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

Field Detail

channels

public static javax.sound.midi.MidiChannel[] channels

DEBUG

public static boolean DEBUG

Constructor Detail

SoundUtils

public SoundUtils()

Method Detail

getLineListener

public static javax.sound.sampled.LineListener getLineListener()

getAuFilePlayAndDisplay

public static void getAuFilePlayAndDisplay()

showInfoDialog

public static void showInfoDialog()

play

public static void play(int[] ia,
                        int vel,
                        int dur)

play

public static void play(int nn)

play

public static void play(int nn,
                        int dur)

play

public static void play(int nn,
                        int vel,
                        int dur)

playThread

public static void playThread(int[] ia,
                              int vel,
                              int dur)

play

public static void play(int[] ia,
                        int dur)

transpose

public static int[] transpose(int[] ia,
                              int bias)

getSynthesizer

public static javax.sound.midi.Synthesizer getSynthesizer()

echo

public static void echo(double[] linearSamples)

echo

public static void echo(int numberOfEchos,
                        double decay,
                        double[] linearSamples)

play

public static void play(javax.sound.midi.Synthesizer synth,
                        int nNoteNumber,
                        int nVelocity,
                        int nDuration)

noteOff

public static void noteOff(int nNoteNumber)

noteOn

public static void noteOn(int nNoteNumber)

noteOn

public static void noteOn(int nNoteNumber,
                          int nVelocity)

sleep

public static void sleep(int nDuration)

getTargetDataLine

public static javax.sound.sampled.TargetDataLine getTargetDataLine(javax.sound.sampled.AudioFormat audioFormat)
                                                            throws javax.sound.sampled.LineUnavailableException

Throws:

javax.sound.sampled.LineUnavailableException

getTargetDataLine

public static javax.sound.sampled.TargetDataLine getTargetDataLine(javax.sound.sampled.Mixer.Info mixerInfo,
                                                                   javax.sound.sampled.AudioFormat audioFormat,
                                                                   int nBufferSize)
                                                            throws javax.sound.sampled.LineUnavailableException

Throws:

javax.sound.sampled.LineUnavailableException

playSound

public static void playSound(java.net.URL f)

playSound

public static void playSound()

testPlay

public static void testPlay()

testPlayClip

public static void testPlayClip()

getCaptureDataSource

public static javax.media.protocol.DataSource getCaptureDataSource(javax.media.format.VideoFormat vf,
                                                                   javax.media.format.AudioFormat af)

getCaptureDataSource

public static javax.media.protocol.DataSource getCaptureDataSource(javax.media.format.VideoFormat vf)

getDevice

public static javax.media.CaptureDeviceInfo getDevice()

getMidiFrequency

public static double getMidiFrequency(int midiNoteNumber)

freqToMidiPitch

public static int freqToMidiPitch(double freq)

Convert a frequency into a MIDI note pitch. Assumes A440 and equal tempered intonation. Adapted from C code written by Andrew Botros.

Parameters:

freq - The frequency value to convert.

Returns:

int The MIDI pitch number closest to the input frequency.

getMidiNumber

public static int getMidiNumber(double freq)

getCaptureDeviceList

public static javax.media.CaptureDeviceInfo[] getCaptureDeviceList()

createDataSource

public static javax.media.protocol.DataSource createDataSource(javax.media.Format format)

setCaptureFormat

public static void setCaptureFormat(javax.media.protocol.CaptureDevice cdev,
                                    javax.media.Format format)

testRecorder

public static void testRecorder()

playNote

public static void playNote(int nNoteNumber,
                            int nVelocity,
                            int nDuration)

Parameters:

nNoteNumber - 0..127

nVelocity - 0..127

nDuration - in ms

listDevicesAndExit

public static void listDevicesAndExit(boolean forInput,
                                      boolean forOutput)
                               throws javax.sound.sampled.LineUnavailableException

Throws:

javax.sound.sampled.LineUnavailableException

getCaptureDevices

public static javax.media.CaptureDeviceInfo[] getCaptureDevices()

getMidiDeviceInfo

public static javax.sound.midi.MidiDevice.Info getMidiDeviceInfo(java.lang.String strDeviceName,
                                                                 boolean forOutput)

playWaveFile

public static void playWaveFile(java.io.File readFile)

printSupportedLines

public static void printSupportedLines()

getSourceDataLine

public static javax.sound.sampled.SourceDataLine getSourceDataLine(javax.sound.sampled.AudioFormat defaultAudioFormat)

processData

public static void processData(ShortProcessor sp)
                        throws javax.sound.sampled.LineUnavailableException

Throws:

javax.sound.sampled.LineUnavailableException

processData

public static void processData(ByteProcessor bp,
                               javax.sound.sampled.AudioFormat audioFormat)
                        throws javax.sound.sampled.LineUnavailableException

Throws:

javax.sound.sampled.LineUnavailableException

setInstrumentGui

public static void setInstrumentGui()

beep

public static void beep()

getSupportedInputAudioFormat

public static javax.sound.sampled.AudioFormat getSupportedInputAudioFormat()

main

public static void main(java.lang.String[] args)
                 throws javax.sound.sampled.LineUnavailableException,
                        java.lang.InterruptedException

Throws:

javax.sound.sampled.LineUnavailableException

java.lang.InterruptedException

getMidiNoteNumbers

public static int[] getMidiNoteNumbers(int[] frequencies)

Get only valid midi note numbers from an array of frequencies.

Parameters:

frequencies -

Returns:

getNoteClassesFromMidiNN

public static int[] getNoteClassesFromMidiNN(int[] nn)

getBandpassedHarmonics

public static int[] getBandpassedHarmonics(int[] frequencies,
                                           int lowFreq,
                                           int highFreq)

getWholeNotesFromNoteClass

public static int[] getWholeNotesFromNoteClass(int[] noteClasses)

getNoteClassFromMidiNN

public static int getNoteClassFromMidiNN(int nn)

bandpassFilter

public static double[] bandpassFilter(double[] d,
                                      int lowFreq,
                                      int highFreq,
                                      double squelch)