plectrum

Plectrum: instrument tuner for Android
Log | Files | Refs | README | LICENSE

NoiseGenerator.java (1433B)


      1 /*
      2 *      _______                       _____   _____ _____  
      3 *     |__   __|                     |  __ \ / ____|  __ \ 
      4 *        | | __ _ _ __ ___  ___  ___| |  | | (___ | |__) |
      5 *        | |/ _` | '__/ __|/ _ \/ __| |  | |\___ \|  ___/ 
      6 *        | | (_| | |  \__ \ (_) \__ \ |__| |____) | |     
      7 *        |_|\__,_|_|  |___/\___/|___/_____/|_____/|_|     
      8 *                                                         
      9 * -------------------------------------------------------------
     10 *
     11 * TarsosDSP is developed by Joren Six at IPEM, University Ghent
     12 *  
     13 * -------------------------------------------------------------
     14 *
     15 *  Info: http://0110.be/tag/TarsosDSP
     16 *  Github: https://github.com/JorenSix/TarsosDSP
     17 *  Releases: http://0110.be/releases/TarsosDSP/
     18 *  
     19 *  TarsosDSP includes modified source code by various authors,
     20 *  for credits and info, see README.
     21 * 
     22 */
     23 
     24 package be.tarsos.dsp.synthesis;
     25 
     26 import be.tarsos.dsp.AudioEvent;
     27 import be.tarsos.dsp.AudioProcessor;
     28 
     29 public class NoiseGenerator implements AudioProcessor{
     30 	
     31 	private double gain;
     32 	
     33 	public NoiseGenerator(){
     34 		this(1.0);
     35 	}
     36 	
     37 	public NoiseGenerator(double gain){
     38 		this.gain = gain;
     39 	}
     40 
     41 	@Override
     42 	public boolean process(AudioEvent audioEvent) {
     43 		float[] buffer = audioEvent.getFloatBuffer();
     44 		for(int i = 0 ; i < buffer.length ; i++){
     45 			buffer[i] += (float) (Math.random() * gain);
     46 		}
     47 		return true;
     48 	}
     49 
     50 	@Override
     51 	public void processingFinished() {
     52 	}
     53 	
     54 	
     55 
     56 }