Android Open Source - audiopulse-androidclient Usb Audio Emulator

From Project

Back to project page audiopulse-androidclient.

License

The source code is released under:

GNU General Public License

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Java Source Code

package org.audiopulse.io;
// ww w . j  a  v  a  2 s . c  o m
import android.util.Log;

public class UsbAudioEmulator implements UsbAudioInterface{

  private static final String TAG="UsbAudioEmulator";
  private static int rFs;
  private static int pFs;
  private static int rBit;
  private static int pBit;
  private static int rCh;
  private static int pCh;
  
  public int initialize(int recfs, int playfs, int recBit,
      int playBit, int recCh, int playCh) {
    rFs=recfs;
    pFs=playfs;
    rBit=recBit;
    pBit=playBit;
    rCh=recCh;
    pCh=playCh;
    return 0;
  }

  public int playMultiTone(double[] Frequency, double[] SPL,
      double epochTime,int numberOfSweeps) throws InterruptedException {
    // Dummy driver for now just wait a few seconds and return when done
    Log.v(TAG,"playing sound for " + epochTime*numberOfSweeps + " seconds");
    Thread.sleep((long) (epochTime*numberOfSweeps*100));
    return 0;
  }

  public double getRecFs() {
    return rFs;
  }

  public double getPlayFs() {
    return pFs;
  }

  public double getRecBitLength() {
    return rBit;
  }

  public double getPlayBitLength() {
    return pBit;
  }

  public double getRecChConfig() {
    return rCh;
  }

  public double getPlayChConfig() {
    return pCh;
  }

  public void finish() {
    
  }

  public double[] getAveragedRecordedPowerSpectrum() {
    //Simulate returning of spectrum
    double[] spec=new double[rFs];
    for(int i=0;i<rFs;i++)
      spec[i]= (65 + Math.round(Math.random()*20));
    return spec;
  }

  public double[] getAveragedRecordedWaveForm() {
    double[] wave=new double[rFs];
    for(int i=0;i<rFs;i++)
      wave[i]= (Math.random()*100);  
    return wave;
  }

}

Java Source Code List