processing.core.PApplet

net.paulhertz.pixelaudio.example.BigWaveSynthAudio

All Implemented Interfaces:: processing.core.PConstants

public class BigWaveSynthAudio extends processing.core.PApplet

BigWaveSynthAudio shows how you can load the color output of WaveSynth into the pixel array of a MultiGen and play the WaveSynth's audio output with a PASamplerInstrument.

WaveSynth is a class that combines an additive synthesis audio generator with a digital "color organ," an image generator that maps audio signals to colors. MultiGen is child class of PixelMapGen that allows you to combine individual PixelMapGens into a composite PixelMapGen instance with one signal path traversing all the pixels of the corresponding image. This example sketch also allows you to load JSON data files stored in the example sketches' data folder to reconfigure the WaveSynth. On startup, we call initWaveDataList() to create a WaveData array with two operators.

Note the role that sampleRate plays in generating images and audio signals from a WaveSynth. Three sample rate values influence the audio output and image display: the audio output frequency, usually set just once, the audio instrument playback frequency, which can vary, and the WaveSynth's local sampling rate, which can also vary. The global sampleRate variable sets the frequency of audio output. In initAudio() it also sets the playback frequency of the PASamplerInstrument:

     this.audioOut = minim.getLineOut(Minim.STEREO, 1024, sampleRate);
     synth = new PASamplerInstrumentPool(audioBuffer, audioOut.sampleRate(), maxVoices, 1, audioOut, shortAdsr);

The local sample rate of a WvaeSynth affects the pattern in the display image and may affect playback of the audio signal generated by the WaveSynth. WaveSynth.sampleRate is set in the initWaveSynth() method and can be changed with key commands '1' through '7'.

   synth.setSampleRate(genWidth * genHeight);

The audio sampler instrument that plays the audio signals generated by a WaveSynth, the PASamplerInstrumentPool object "synth", uses the audioOut sampleRate for its playback sample rate. It ignores the local sample rate of the WaveSynth. When you change the sampling rate of the WaveSynth, the frequency of playback will change, because the synth is set up to step through its buffer at the audio sampling rate. Frequencies will be accurate only when the WaveSynth sample rate, the synth playback sample rate, and the output rate are all the same. This happens when you press the '7' key, which sets the WaveSynth rate to the audio output sampling rate (which we'll say is 44100 Hz). The WaveSynth then squeezes its sine wave operator output into 44100 audio samples or pixels, on the screen and in its audio signal. For the WaveSyth that shows on startup, with frequencies of 768 and 192 Hz, the output frequency of a note will then be 768 Hz, right around G5 (G above middle C) on a piano keyboard.

At sampleRate = genWidth * genHeight, one cycle of a sine wave set in the WaveSynth would fill an entire HilbertGen. A frequency of 768 will place 768 copies of a sine wave along the signal path over the entire bitmap of a single HilbertGen. The MultiGen which is displayed in this sketch is composed of six Hilbert curves (HilbertGen objects). 768 was used as a frequency because it shares factors with the HilbertGen's dimensions. This results in symmetrical patterns.

The audio signals and images generated by the WaveSyth data files in the JSON folder demonstrate a wide range of possibilities. Some produce low frequencies that create large areas of shifting colors when animation is on. You may not be able to hear the audio these example produce, except as a click from the envelope. Some JSON files produce high frequencies that appear as fine-grained images but can't be heard because the audio frequency is too high. The medium frequencies can produce many different timbres. The audio signal they produce tends to be very repetitive. Multiple instruments playing together can result in interesting phase interference effects. The raindrops() method can be called ('d') to produce random audio events that demonstrate these effects. Combine the raindrops() method with detuning ('t' command) to get a wide range of animation and audio drone effects.

For more information and sample code about the WaveSyth class, see the WaveSynthEditor and WaveSynthSequencer example sketches.

 Press ' ' to turn animation on and off.
 Press 'd' to turn raindrops on and off.
 Press 't' to detune instruments by a small amount.
 Press 'T' to restore tuning to instruments.
 Press 'l' or 'L' to select long or short notes for audio events.
 Press 'o' or 'O' to open a WaveSynth settings JSON file.
 Press 'j' or 'J' to save current WaveSynth to a JSON file.
 Press 'f' to print the current frame rate to the console.
 Press '1' to set the current WaveSynth's sample rate to genWidth * genHeight.
 Press '2' to set the current WaveSynth's sample rate to genWidth * genHeight / 2.
 Press '3' to set the current WaveSynth's sample rate to genWidth * genHeight / 3.
 Press '4' to set the current WaveSynth's sample rate to genWidth * genHeight / 4.
 Press '5' to set the current WaveSynth's sample rate to genWidth * genHeight / 5.
 Press '6' to set the current WaveSynth's sample rate to genWidth * genHeight / 6.
 Press '7' to set the current WaveSynth's sample rate to the audio sample rate.
 Press 'h' to show help message in console.

See also: BigWaveSynth, WaveSynthEditor, WaveSynthSequencer, and MultiGenLookupTables. For a wealth of methods to create MultiGens, see ArgosyMixer.

Field Summary

Fields

Modifier and Type

Field

Description

(package private) int

animSteps

(package private) int

animStop

(package private) ddf.minim.MultiChannelBuffer

audioBuffer

(package private) int

audioLength

(package private) ddf.minim.AudioOutput

audioOut

(package private) float[]

audioSignal

(package private) int

circleColor

(package private) int

columns

(package private) String

comments

(package private) int

count

(package private) File

currentDataFile

(package private) String

currentFileName

(package private) float

defaultGain

(package private) float

gain

(package private) int

genHeight

(package private) int

genWidth

(package private) boolean

isAnimating

(package private) boolean

isBufferStale

(package private) boolean

isLooping

(package private) boolean

isPlayLongNote

(package private) boolean

isRaining

(package private) boolean

isUseSynth

(package private) processing.data.JSONObject

json

(package private) String

jsonFolder

(package private) ADSRParams

longAdsr

(package private) int

longDuration

(package private) PixelAudioMapper

mapper

(package private) int

mapSize

(package private) ddf.minim.Minim

minim

Minim audio library

(package private) MultiGen

multigen

(package private) float

myGamma

(package private) boolean

oldIsAnimating

(package private) PixelAudio

pixelaudio

(package private) int

poolSize

(package private) int[]

rgbSignal

(package private) int

rows

(package private) int

samplelen

(package private) int

samplePos

(package private) float

sampleRate

(package private) int

sampleX

(package private) int

sampleY

(package private) ADSRParams

shortAdsr

(package private) int

shortDuration

(package private) int

step

(package private) PASamplerInstrumentPool

synth

(package private) processing.core.PImage

synthImage

(package private) ArrayList<TimedLocation>

timeLocsArray

(package private) WaveSynth

wavesynth

(package private) ArrayList<WaveData>

wdList

Fields inherited from class processing.core.PApplet
args, ARGS_BGCOLOR, ARGS_DISABLE_AWT, ARGS_DISPLAY, ARGS_EDITOR_LOCATION, ARGS_EXTERNAL, ARGS_FULL_SCREEN, ARGS_HIDE_STOP, ARGS_LOCATION, ARGS_PRESENT, ARGS_SKETCH_FOLDER, ARGS_STOP_COLOR, ARGS_UI_SCALE, ARGS_WINDOW_COLOR, DEFAULT_HEIGHT, DEFAULT_WIDTH, disableAWT, displayHeight, displayWidth, dmouseX, dmouseY, emouseX, emouseY, exitCalled, EXTERNAL_MOVE, EXTERNAL_STOP, finished, firstMouse, focused, frameCount, frameRate, frameRateLastNanos, g, height, insideDraw, javaPlatform, javaVersion, javaVersionName, key, keyCode, keyEvent, keyPressed, keyRepeatEnabled, looping, matchPatterns, mouseButton, mouseEvent, mousePressed, mouseX, mouseY, pixelDensity, pixelHeight, pixels, pixelWidth, platform, pmouseX, pmouseY, ratioLeft, ratioScale, ratioTop, recorder, redraw, rheight, rmouseX, rmouseY, rwidth, surface, useNativeSelect, width, windowX, windowY

Fields inherited from interface processing.core.PConstants
ADD, ALPHA, ALT, AMBIENT, ARC, ARGB, ARROW, BACKSPACE, BASELINE, BEVEL, BEZIER_VERTEX, BLEND, BLUR, BOTTOM, BOX, BREAK, BURN, CENTER, CHATTER, CHORD, CLAMP, CLOSE, CODED, COMPLAINT, CONTROL, CORNER, CORNERS, CROSS, CURVE_VERTEX, CUSTOM, DARKEST, DEG_TO_RAD, DELETE, DIAMETER, DIFFERENCE, DILATE, DIRECTIONAL, DISABLE_ASYNC_SAVEFRAME, DISABLE_BUFFER_READING, DISABLE_DEPTH_MASK, DISABLE_DEPTH_SORT, DISABLE_DEPTH_TEST, DISABLE_KEY_REPEAT, DISABLE_NATIVE_FONTS, DISABLE_OPENGL_ERRORS, DISABLE_OPTIMIZED_STROKE, DISABLE_STROKE_PERSPECTIVE, DISABLE_STROKE_PURE, DISABLE_TEXTURE_MIPMAPS, DODGE, DOWN, DXF, ELLIPSE, ENABLE_ASYNC_SAVEFRAME, ENABLE_BUFFER_READING, ENABLE_DEPTH_MASK, ENABLE_DEPTH_SORT, ENABLE_DEPTH_TEST, ENABLE_KEY_REPEAT, ENABLE_NATIVE_FONTS, ENABLE_OPENGL_ERRORS, ENABLE_OPTIMIZED_STROKE, ENABLE_STROKE_PERSPECTIVE, ENABLE_STROKE_PURE, ENABLE_TEXTURE_MIPMAPS, ENTER, EPSILON, ERODE, ESC, EXCLUSION, FX2D, GIF, GRAY, GROUP, HALF_PI, HAND, HARD_LIGHT, HINT_COUNT, HSB, IMAGE, INVERT, JAVA2D, JPEG, LANDSCAPE, LEFT, LIGHTEST, LINE, LINE_LOOP, LINE_STRIP, LINES, LINUX, MACOS, MACOSX, MAX_FLOAT, MAX_INT, MIN_FLOAT, MIN_INT, MITER, MODEL, MODELVIEW, MOVE, MULTIPLY, NORMAL, OPAQUE, OPEN, OPENGL, ORTHOGRAPHIC, OTHER, OVERLAY, P2D, P3D, PATH, PDF, PERSPECTIVE, PI, PIE, platformNames, POINT, POINTS, POLYGON, PORTRAIT, POSTERIZE, PROBLEM, PROJECT, PROJECTION, QUAD, QUAD_BEZIER_VERTEX, QUAD_STRIP, QUADRATIC_VERTEX, QUADS, QUARTER_PI, RAD_TO_DEG, RADIUS, RECT, REPEAT, REPLACE, RETURN, RGB, RIGHT, ROUND, SCREEN, SHAPE, SHIFT, SOFT_LIGHT, SPAN, SPHERE, SPOT, SQUARE, SUBTRACT, SVG, TAB, TARGA, TAU, TEXT, THIRD_PI, THRESHOLD, TIFF, TOP, TRIANGLE, TRIANGLE_FAN, TRIANGLE_STRIP, TRIANGLES, TWO_PI, UP, VERTEX, WAIT, WHITESPACE, WINDOWS, X, Y, Z
Constructor Summary

Constructors

Constructor

Description

BigWaveSynthAudio()
Method Summary

Modifier and Type

Method

Description

int

calcSampleLen(float timeInSecs)

void

detuneInstruments()

Detunes each instrument in the polyphonic synth by a small amount.

void

draw()

void

drawCircle(int x, int y)

Draws a circle at the location of an audio trigger (mouseDown event).

void

fileSelectedOpen(File selection)

void

fileSelectedWrite(File selection)

MultiGen

hilbertLoop3x2(int genW, int genH)

Generates a looping fractal signal path consisting of 6 HilbertGens, arranged 3 wide and 2 tall, to fit a 3 * genW by 2 * genH image.

void

initAudio()

ArrayList<WaveData>

initWaveDataList()

WaveSynth

initWaveSynth(WaveSynth synth)

Sets gain, gamma, isScaleHisto, animSteps, and sampleRate instance variables of a WaveSynth object and generates its first frame of animation.

void

keyPressed()

void

loadWaveData()

static void

main(String[] args)

void

mouseClicked()

void

playLongNote(float panning)

Triggers an audio event with a 3-second initial duration followed by a 5-second long release.

int

playSample(int samplePos, int samplelen, float amplitude, ADSRParams env, float pitch, float pan)

Plays an audio sample with with a custom envelope, pitch and stereo pan.

void

playShortNote(float panning)

Triggers an audio event with a 3-second initial duration followed by a 5-second long release.

void

printWaveData(WaveSynth synth)

Outputs fields from current waveAnimal and it waveDataList

void

raindrops()

Trigger a WaveSynth sample at a random location.

float

randomShift(float val, float shift)

void

renderSignal()

Calls WaveSynth to render a audio sample array derived from the same math that creates the image.

void

retuneInstruments()

Restores the tuning of individual instruments in the polyphonic synth.

void

runTimeArray()

Run the animation for audio events.

void

saveWaveData()

void

settings()

void

setup()

void

setWaveSynthFromJSON(processing.data.JSONObject json, WaveSynth synth)

void

showHelp()

void

stepAnimation()

Methods inherited from class processing.core.PApplet
abs, abs, acos, alpha, ambient, ambient, ambient, ambientLight, ambientLight, append, append, append, append, append, append, applyMatrix, applyMatrix, applyMatrix, applyMatrix, applyMatrix, arc, arc, arraycopy, arraycopy, arraycopy, arrayCopy, arrayCopy, arrayCopy, asin, atan, atan2, attrib, attrib, attrib, attribColor, attribNormal, attribPosition, background, background, background, background, background, background, background, beginCamera, beginContour, beginPGL, beginRaw, beginRaw, beginRecord, beginRecord, beginShape, beginShape, bezier, bezier, bezierDetail, bezierPoint, bezierTangent, bezierVertex, bezierVertex, binary, binary, binary, binary, blend, blend, blendColor, blendMode, blue, box, box, brightness, calcSketchPath, camera, camera, ceil, checkAlpha, checkExtension, choice, choice, circle, clear, clip, color, color, color, color, color, color, color, color, colorMode, colorMode, colorMode, colorMode, concat, concat, concat, concat, concat, concat, concat, constrain, constrain, copy, copy, copy, cos, createFont, createFont, createFont, createGraphics, createGraphics, createGraphics, createImage, createInput, createInput, createInputRaw, createOutput, createOutput, createPath, createPath, createPrimaryGraphics, createReader, createReader, createReader, createShape, createShape, createShape, createWriter, createWriter, createWriter, cursor, cursor, cursor, cursor, curve, curve, curveDetail, curvePoint, curveTangent, curveTightness, curveVertex, curveVertex, dataFile, dataPath, day, debug, degrees, delay, dequeueEvents, desktopFile, desktopPath, die, die, directionalLight, displayDensity, displayDensity, dispose, dist, dist, edge, ellipse, ellipseMode, emissive, emissive, emissive, endCamera, endContour, endPGL, endRaw, endRecord, endShape, endShape, exec, exec, exit, exitActual, exitCalled, exp, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, fill, fill, fill, fill, fill, fill, filter, filter, filter, floor, flush, focusGained, focusLost, frameMoved, frameRate, frustum, fullScreen, fullScreen, fullScreen, fullScreen, get, get, get, getExtension, getGraphics, getMatrix, getMatrix, getMatrix, getSurface, green, handleDraw, handleKeyEvent, handleMethods, handleMouseEvent, hex, hex, hex, hex, hideMenuBar, hint, hour, hue, image, image, image, imageMode, initSurface, insertFrame, isLooping, join, join, keyPressed, keyReleased, keyReleased, keyTyped, keyTyped, launch, lerp, lerpColor, lerpColor, lightFalloff, lights, lightSpecular, line, line, link, listFiles, listFiles, listPaths, loadBytes, loadBytes, loadBytes, loadFont, loadImage, loadImage, loadJSONArray, loadJSONArray, loadJSONObject, loadJSONObject, loadPixels, loadShader, loadShader, loadShape, loadShape, loadStrings, loadStrings, loadStrings, loadStrings, loadTable, loadTable, loadXML, loadXML, log, loop, mag, mag, main, main, main, makeGraphics, map, mask, match, matchAll, max, max, max, max, max, max, method, millis, min, min, min, min, min, min, minute, modelX, modelY, modelZ, month, mouseClicked, mouseDragged, mouseDragged, mouseEntered, mouseEntered, mouseExited, mouseExited, mouseMoved, mouseMoved, mousePressed, mousePressed, mouseReleased, mouseReleased, mouseWheel, mouseWheel, nf, nf, nf, nf, nf, nf, nfc, nfc, nfc, nfc, nfp, nfp, nfp, nfp, nfs, nfs, nfs, nfs, noClip, noCursor, noFill, noise, noise, noise, noiseDetail, noiseDetail, noiseSeed, noLights, noLoop, norm, normal, noSmooth, noStroke, noTexture, noTint, orientation, ortho, ortho, ortho, parseBoolean, parseBoolean, parseBoolean, parseBoolean, parseByte, parseByte, parseByte, parseByte, parseByte, parseByte, parseByte, parseByte, parseChar, parseChar, parseChar, parseChar, parseFloat, parseFloat, parseFloat, parseFloat, parseFloat, parseFloat, parseFloat, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseJSONArray, parseJSONObject, parseXML, parseXML, pause, perspective, perspective, pixelDensity, point, point, pointLight, pop, popMatrix, popStyle, postEvent, postWindowMoved, postWindowResized, pow, print, print, print, print, print, print, print, print, print, printArray, printCamera, println, println, println, println, println, println, println, println, println, println, println, printMatrix, printProjection, printStackTrace, push, pushMatrix, pushStyle, quad, quadraticVertex, quadraticVertex, radians, random, random, randomGaussian, randomSeed, rect, rect, rect, rectMode, red, redraw, registerMethod, requestImage, requestImage, resetMatrix, resetShader, resetShader, resume, reverse, reverse, reverse, reverse, reverse, reverse, reverse, rotate, rotate, rotateX, rotateY, rotateZ, round, runSketch, runSketch, runSketch, saturation, save, saveBytes, saveBytes, saveBytes, saveFile, saveFrame, saveFrame, saveJSONArray, saveJSONArray, saveJSONObject, saveJSONObject, savePath, saveStream, saveStream, saveStream, saveStream, saveStream, saveStrings, saveStrings, saveStrings, saveTable, saveTable, saveXML, saveXML, scale, scale, scale, screenX, screenX, screenY, screenY, screenZ, second, selectCallback, selectFolder, selectFolder, selectFolder, selectInput, selectInput, selectInput, selectOutput, selectOutput, selectOutput, set, set, setMatrix, setMatrix, setMatrix, setSize, shader, shader, shape, shape, shape, shapeMode, shearX, shearY, shell, shininess, shorten, shorten, shorten, shorten, shorten, shorten, shorten, showDepthWarning, showDepthWarningXYZ, showMethodWarning, showMissingWarning, showSurface, showVariationWarning, sin, size, size, size, sketchDisplay, sketchFile, sketchFullScreen, sketchHeight, sketchOutputPath, sketchOutputStream, sketchPath, sketchPath, sketchPixelDensity, sketchRenderer, sketchSmooth, sketchWidth, sketchWindowColor, smooth, smooth, sort, sort, sort, sort, sort, sort, sort, sort, sort, sort, specular, specular, specular, sphere, sphereDetail, sphereDetail, splice, splice, splice, splice, splice, splice, splice, splice, splice, splice, splice, splice, splice, split, split, splitTokens, splitTokens, spotLight, sq, sqrt, square, start, startSurface, stop, str, str, str, str, str, str, str, str, str, str, stroke, stroke, stroke, stroke, stroke, stroke, strokeCap, strokeJoin, strokeWeight, style, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, tan, text, text, text, text, text, text, text, text, text, text, text, textAlign, textAlign, textAscent, textDescent, textFont, textFont, textLeading, textMode, textSize, texture, textureMode, textureWrap, textWidth, textWidth, textWidth, thread, tint, tint, tint, tint, tint, tint, translate, translate, triangle, trim, trim, unbinary, unhex, unregisterMethod, updatePixels, updatePixels, urlDecode, urlEncode, vertex, vertex, vertex, vertex, vertex, windowMove, windowMoved, windowRatio, windowResizable, windowResize, windowResized, windowTitle, year

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- pixelaudio
  
  PixelAudio pixelaudio
- multigen
  
  MultiGen multigen
- rows
  
  int rows
- columns
  
  int columns
- genWidth
  
  int genWidth
- genHeight
  
  int genHeight
- mapper
  
  PixelAudioMapper mapper
- mapSize
  
  int mapSize
- wdList
  
  ArrayList<WaveData> wdList
- wavesynth
  
  WaveSynth wavesynth
- synthImage
  
  processing.core.PImage synthImage
- myGamma
  
  float myGamma
- animSteps
  
  int animSteps
- animStop
  
  int animStop
- step
  
  int step
- comments
  
  String comments
- minim
  
  ddf.minim.Minim minim
  
  Minim audio library
- audioOut
  
  ddf.minim.AudioOutput audioOut
- audioBuffer
  
  ddf.minim.MultiChannelBuffer audioBuffer
- isBufferStale
  
  boolean isBufferStale
- sampleRate
  
  float sampleRate
- audioSignal
  
  float[] audioSignal
- rgbSignal
  
  int[] rgbSignal
- audioLength
  
  int audioLength
- shortDuration
  
  int shortDuration
- longDuration
  
  int longDuration
- isPlayLongNote
  
  boolean isPlayLongNote
- samplelen
  
  int samplelen
- defaultGain
  
  float defaultGain
- gain
  
  float gain
- synth
  
  PASamplerInstrumentPool synth
- poolSize
  
  int poolSize
- isUseSynth
  
  boolean isUseSynth
- shortAdsr
  
  ADSRParams shortAdsr
- longAdsr
  
  ADSRParams longAdsr
- jsonFolder
  
  String jsonFolder
- currentDataFile
  
  File currentDataFile
- currentFileName
  
  String currentFileName
- json
  
  processing.data.JSONObject json
- isAnimating
  
  boolean isAnimating
- oldIsAnimating
  
  boolean oldIsAnimating
- isLooping
  
  boolean isLooping
- circleColor
  
  int circleColor
- isRaining
  
  boolean isRaining
- sampleX
  
  int sampleX
- sampleY
  
  int sampleY
- samplePos
  
  int samplePos
- timeLocsArray
  
  ArrayList<TimedLocation> timeLocsArray
- count
  
  int count
Constructor Details
- BigWaveSynthAudio
  
  public BigWaveSynthAudio()
Method Details
- main
  
  public static void main(String[] args)
- settings
  
  public void settings()
  
  Overrides:
  
  settings in class processing.core.PApplet
- setup
  
  public void setup()
  
  Overrides:
  
  setup in class processing.core.PApplet
- hilbertLoop3x2
  
  public MultiGen hilbertLoop3x2(int genW, int genH)
  
  Generates a looping fractal signal path consisting of 6 HilbertGens, arranged 3 wide and 2 tall, to fit a 3 * genW by 2 * genH image. This particular MultiGen configuration is used so extensively in my sample code that I've given it a factory method in the HilbertGen class. It's written out here so you can see how it works. Note that genH must equal genW and both must be powers of 2. For the image size we're using in this example, genW = image width / 3 and genH = image height / 2.
  
  Parameters:
  
  genW - width of each HilbertGen
  
  genH - height of each HilbertGen
  
  Returns:
  
  a 3 x 2 array of Hilbert curves, connected in a loop (3 * genWidth by 2 * genHeight pixels)
- initWaveDataList
  
  public ArrayList<WaveData> initWaveDataList()
- initWaveSynth
  
  public WaveSynth initWaveSynth(WaveSynth synth)
  
  Sets gain, gamma, isScaleHisto, animSteps, and sampleRate instance variables of a WaveSynth object and generates its first frame of animation.
  
  Parameters:
  
  synth - a WaveSynth object whose attributes will be set
  
  Returns:
  
  the WaveSynth object with attributes set
- initAudio
  
  public void initAudio()
- draw
  
  public void draw()
  
  Overrides:
  
  draw in class processing.core.PApplet
- runTimeArray
  
  public void runTimeArray()
  
  Run the animation for audio events.
- drawCircle
  
  public void drawCircle(int x, int y)
  
  Draws a circle at the location of an audio trigger (mouseDown event).
  
  Parameters:
  
  x - x coordinate of circle
  
  y - y coordinate of circle
- raindrops
  
  public void raindrops()
  
  Trigger a WaveSynth sample at a random location.
- detuneInstruments
  
  public void detuneInstruments()
  
  Detunes each instrument in the polyphonic synth by a small amount. Demonstrates how to access individual PASamplerInstrument instances in PASamplerInstrumentPool's list of instruments.
- retuneInstruments
  
  public void retuneInstruments()
  
  Restores the tuning of individual instruments in the polyphonic synth.
- randomShift
  
  public float randomShift(float val, float shift)
- keyPressed
  
  public void keyPressed()
  
  Overrides:
  
  keyPressed in class processing.core.PApplet
- showHelp
  
  public void showHelp()
- stepAnimation
  
  public void stepAnimation()
- mouseClicked
  
  public void mouseClicked()
  
  Overrides:
  
  mouseClicked in class processing.core.PApplet
- playLongNote
  
  public void playLongNote(float panning)
  
  Triggers an audio event with a 3-second initial duration followed by a 5-second long release.
- playShortNote
  
  public void playShortNote(float panning)
  
  Triggers an audio event with a 3-second initial duration followed by a 5-second long release.
- renderSignal
  
  public void renderSignal()
  
  Calls WaveSynth to render a audio sample array derived from the same math that creates the image.
- playSample
  
  public int playSample(int samplePos, int samplelen, float amplitude, ADSRParams env, float pitch, float pan)
  
  Plays an audio sample with with a custom envelope, pitch and stereo pan.
  
  Parameters:
  
  samplePos - position of the sample in the audio buffer
  
  samplelen - length of the sample (will be adjusted)
  
  amplitude - amplitude of the sample on playback
  
  env - an ADSR envelope for the sample
  
  pitch - pitch scaling as deviation from default (1.0), where 0.5 = octave lower, 2.0 = oactave higher
  
  pan - position of sound in the stereo audio field (-1.0 = left, 0.0 = center, 1.0 = right)
  
  Returns:
- calcSampleLen
  
  public int calcSampleLen(float timeInSecs)
  
  Returns:
  
  a length in samples with some Gaussian variation
- loadWaveData
  
  public void loadWaveData()
- fileSelectedOpen
  
  public void fileSelectedOpen(File selection)
- setWaveSynthFromJSON
  
  public void setWaveSynthFromJSON(processing.data.JSONObject json, WaveSynth synth)
- printWaveData
  
  public void printWaveData(WaveSynth synth)
  
  Outputs fields from current waveAnimal and it waveDataList
- saveWaveData
  
  public void saveWaveData()
- fileSelectedWrite
  
  public void fileSelectedWrite(File selection)

Class BigWaveSynthAudio

Field Summary

Fields inherited from class processing.core.PApplet

Fields inherited from interface processing.core.PConstants

Constructor Summary

Method Summary

Methods inherited from class processing.core.PApplet

Methods inherited from class java.lang.Object

Field Details

pixelaudio

multigen

rows

columns

genWidth

genHeight

mapper

mapSize

wdList

wavesynth

synthImage

myGamma

animSteps

animStop

step

comments

minim

audioOut

audioBuffer

isBufferStale

sampleRate

audioSignal

rgbSignal

audioLength

shortDuration

longDuration

isPlayLongNote

samplelen

defaultGain

gain

synth

poolSize

isUseSynth

shortAdsr

longAdsr

jsonFolder

currentDataFile

currentFileName

json

isAnimating

oldIsAnimating

isLooping

circleColor

isRaining

sampleX

sampleY

samplePos

timeLocsArray

count

Constructor Details

BigWaveSynthAudio

Method Details

main

settings

setup

hilbertLoop3x2

initWaveDataList

initWaveSynth

initAudio

draw

runTimeArray

drawCircle

raindrops

detuneInstruments

retuneInstruments

randomShift

keyPressed

showHelp

stepAnimation

mouseClicked

playLongNote