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Added sound library · GoToLoop/processing@8d3b98a · GitHub

  1. GoToLoop
  2. processing

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Commit 8d3b98a

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Added sound library
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‎java/libraries/sound/.gitignore‎

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*.o
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*.class
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.DS_Store
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/distribution
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/bin

‎java/libraries/sound/build.xml‎

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<?xml version="1.0"?>
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<project name="Processing Serial Library" default="build">
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<target name="clean" description="Clean the build directories">
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<delete dir="bin" />
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<delete file="library/sound.jar" />
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</target>
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<target name="compile" description="Compile sources">
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<condition property="core-built">
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<available file="../../../core/library/core.jar" />
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</condition>
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<fail unless="core-built" message="Please build the core library first and make sure it sits in ../../../core/library/core.jar" />
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<mkdir dir="bin" />
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<javac source="1.6"
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target="1.6"
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srcdir="src" destdir="bin"
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encoding="UTF-8"
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includeAntRuntime="false"
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classpath="../../../core/library/core.jar; library/sound.jar"
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nowarn="true"
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compiler="org.eclipse.jdt.core.JDTCompilerAdapter">
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<compilerclasspath path="../../mode/ecj.jar" />
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</javac>
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</target>
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<target name="build" depends="compile" description="Build sound library">
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<jar basedir="bin" destfile="library/sound.jar" />
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</target>
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</project>

‎java/libraries/sound/doc/Processing New.pdf‎

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‎java/libraries/sound/examples/Analysis/AmplitudeRMS/AmplitudeRMS.pde‎

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/*
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This example shows how to use the RMS amplitude tracker. The tracker
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calculates the Root Mean Square over a block of audio and returns
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the mean as a float between 0 and 1.
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*/
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import processing.sound.*;
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Sound stream;
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SoundFile sample;
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Amplitude rms;
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int scale=1;
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public void setup() {
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size(350,350);
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// Create and start the sound renderer
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stream = new Sound(this, 44100, 512);
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//Load and play a soundfile and loop it
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sample = new SoundFile(this, "beat.aiff");
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sample.loop();
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// Create and patch the rms tracker
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rms = new Amplitude(this);
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rms.input(sample);
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}
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public void draw() {
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background(125,255,125);
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// rms.process() return a value between 0 and 1. To adjust
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// the scaling and mapping of an ellipse we scale from 0 to 0.5
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scale=int(map(rms.process(), 0, 0.5, 1, 350));
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noStroke();
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fill(255,0,150);
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// We draw an ellispe coupled to the audio analysis
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ellipse(width/2, height/2, 1*scale, 1*scale);
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}

‎java/libraries/sound/examples/Analysis/AmplitudeRMS/data/beat.aiff‎

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‎java/libraries/sound/examples/Analysis/FFTSpectrum/FFTSpectrum.pde‎

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/*
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This example shows how to use the Fast Fourier Transform function to get the spectrum
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of a sound. This function calculates the FFT of a signal and returns the positive normalized
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magnitude spectrum. This means we pass it the number of bands we want (the actual FFT size is
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two times that size) and a float array with the same size.
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*/
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import processing.sound.*;
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Sound stream;
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SoundFile sample;
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FFT fft;
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int scale=1;
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int bands=512;
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float[] spec = new float[bands];
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public void setup() {
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size(bands,350);
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background(255);
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// Create and start the sound renderer
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stream = new Sound(this, 44100, 256);
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//Load and play a soundfile and loop it. This has to be called
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// before the FFT is created.
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sample = new SoundFile(this, "beat.aiff");
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sample.loop();
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// Create and patch the rms tracker
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fft = new FFT(this);
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fft.input(sample, bands);
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}
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public void draw() {
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background(255);
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fft.process(spec);
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for(int i = 0; i < bands; i++)
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{
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// The result of the FFT is normalized
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// draw the line for frequency band i scaling it up by 5 to get more amplitude.
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line( i, height, i, height - spec[i]*height*5 );
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}
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}
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‎java/libraries/sound/examples/Analysis/FFTSpectrum/data/beat.aiff‎

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‎java/libraries/sound/examples/Effects/Filter/BandPass/BandPass.pde‎

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/*
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This is a simple WhiteNoise generator. It can be started with .play(float amp).
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In this example it is started and stopped by clicking into the renderer window.
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*/
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import processing.sound.*;
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Sound stream;
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WhiteNoise noise;
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BPF bandPass;
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float amp=0.0;
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void setup() {
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size(350,350);
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background(255);
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// Create and start the sound renderer and the noise generator
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stream = new Sound(this);
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noise = new WhiteNoise(this);
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bandPass = new BPF(this);
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noise.play(0.5);
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bandPass.play(noise, 100);
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}
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void draw() {
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bandPass.freq(map(mouseX, 0, 350, 20, 10000));
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bandPass.res(map(mouseY, 0, 350, 0.05, 1.0));
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}

‎java/libraries/sound/examples/Effects/Filter/HighPass/HighPass.pde‎

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/*
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This is a simple WhiteNoise generator. It can be started with .play(float amp).
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In this example it is started and stopped by clicking into the renderer window.
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*/
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import processing.sound.*;
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Sound stream;
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WhiteNoise noise;
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HPF highPass;
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float amp=0.0;
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void setup() {
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size(350,350);
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background(255);
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// Create and start the sound renderer and the noise generator
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stream = new Sound(this);
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noise = new WhiteNoise(this);
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highPass = new HPF(this);
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noise.play(0.5);
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highPass.play(noise, 100);
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}
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void draw() {
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highPass.freq(map(mouseX, 0, 350, 20, 10000));
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}

‎java/libraries/sound/examples/Effects/Filter/LowPass/LowPass.pde‎

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/*
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This is a simple WhiteNoise generator. It can be started with .play(float amp).
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In this example it is started and stopped by clicking into the renderer window.
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*/
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import processing.sound.*;
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Sound stream;
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WhiteNoise noise;
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LPF lowPass;
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float amp=0.0;
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void setup() {
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size(350,350);
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background(255);
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// Create and start the sound renderer and the noise generator
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stream = new Sound(this);
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noise = new WhiteNoise(this);
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lowPass = new LPF(this);
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noise.play(0.5);
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lowPass.play(noise, 100);
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}
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void draw() {
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lowPass.freq(map(mouseX, 0, 350, 20, 10000));
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}

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