cal.java

public void run() {
      if (stream != null) {
        running = true;
        try {
          StopWatch sw = new StopWatch();
          sw.Start();

          float leqA2 = 0f;
          float leqA = 0f;
          arr_samples = IOStream.toFloat(stream.get(Utils.LEQ_1SEC));

          // KJFFT computation
          float[] bands = kjfft.frequencyAnalyze24Bands(arr_samples, true);

          float[] bands_cal = new float[bands.length];

          // Apply manual calibration for kiosk
          if(!isSmartphone) {
            float[] kiosk_cal = {0f, 0f, 0f, 0f, 1.6f, 4.95f, -0.35f, 4.2f, 5.8f, 1.95f, -1.55f, 3.25f, 1.5f, -1.05f, 1.15f, -2.1f, 5.45f, 10f, 1.6f, -3.1f, 2.3f, -2.6f, -4.15f, -6.25f, -9.85f};
            for(int i = 0; i < bands.length; i++) {
              bands_cal[i] = bands[i]+ kiosk_cal[i];
            }
          } else {
            bands_cal = bands;
          }

          bands = bands_cal;

          // A weighting calibration
          float[] bands_A = new float[bands.length];
          float[] Aweighting = {-30.2f, -26.2f, -22.5f, -19.1f, -16.1f, -13.4f, -10.9f, -8.6f, -6.6f, -4.8f, -3.2f, -1.9f, -0.8f, 0f, 0.6f, 1f, 1.2f, 1.3f, 1.2f, 1f, 0.5f, -0.1f, -1.1f, -2.5f, -4.3f};
          for (int i = 0; i < bands.length; i++) {
            bands_A[i] = bands_cal[i] + Aweighting[i];
          }

          // calculate overall 1sec dBA value based on the sum of third octave band values
          for (int i = 0; i < bands.length; i++) {
            leqA2 += (float) Math.pow(10, (bands_A[i]) / 10);
          }
          leqA = (float) (10 * Math.log10(leqA2));
          //round 1 decimal place
          int aux = (int) (leqA * 10);
          leqA = aux / 10f;


          if(isSmartphone) {
            leqA = leqA + smartphoneCalibrationDelta;
          } else {
            leqA = leqA + 23.3f;
          }


          // Calculate the global LEQ ( averaged over the duration of the measurements
          // calculate from the global Leq and the last Leq
          allLEQAcals.add(leqA);
          currentLEQAcal = (float) (10F * Math.log10((((allLEQAcals.size() - 1) * Math.pow(10, (currentLEQAcal / 10))) + Math.pow(10, (allLEQAcals.lastElement() / 10))) / allLEQAcals.size()));


//          Log.i("SoundManager", "LEQA calibrated : " + leqAcal);
//          Log.i("SoundManager", "bande 0 : " + bands[0] );
//          Log.i("SoundManager", "bande 1 : " + bands[1] );
//          Log.i("SoundManager", "bande 2  : " + bands[2] );
//          Log.i("SoundManager", "bande 3 : " + bands[3] );
//          Log.i("SoundManager", "bande 4 : " + bands[4] );
//          Log.i("SoundManager", "bande 5 : " + bands[5] );
//          Log.i("SoundManager", "bande 6 : " + bands[6] );
//          Log.i("SoundManager", "bande 7  : " + bands[7] );
//          Log.i("SoundManager", "bande 8 : " + bands[8] );
//          Log.i("SoundManager", "bande 9 : " + bands[9] );
//          Log.i("SoundManager", "bande 10 : " + bands[10] );
//            Log.i("SoundManager", "bande 11 : " + bands[11] );
//            Log.i("SoundManager", "bande 12  : " + bands[12] );
//            Log.i("SoundManager", "bande 13 : " + bands[13] );
//            Log.i("SoundManager", "bande 14 : " + bands[14] );
//            Log.i("SoundManager", "bande 15 : " + bands[15] );
//            Log.i("SoundManager", "bande 16 : " + bands[16] );
//            Log.i("SoundManager", "bande 17  : " + bands[17] );
//            Log.i("SoundManager", "bande 18  : " + bands[18] );
//            Log.i("SoundManager", "bande 19 : " + bands[19] );
//            Log.i("SoundManager", "bande 20 : " + bands[20] );
//            Log.i("SoundManager", "bande 21 : " + bands[21] );
//            Log.i("SoundManager", "bande 22  : " + bands[22] );
//            Log.i("SoundManager", "bande 23 : " + bands[23] );


//          Log.i("SoundManager", "overall LeqA : " + currentLEQAcal);
//          Log.i("SoundManager", "Leq 1sec  : " + leqA);

          listener.onReceived(leqA, currentLEQAcal);

          long t1 = sw.Stop();
//          Log.v("SoundManager", "duree de traitement : " + t1);
          running = false;
          System.gc();
        } catch (Exception e) {
          running = false;
          e.printStackTrace();
        }
      }
    }