public byte[] CalculateNewSound() {
      ReadWavFile rwf = new ReadWavFile(pathWavFile);
      byteArray = rwf.ReadWave();

      return byteArray;
}

public void CalculateNewSoundshort() {
            using (FileStream fs = new FileStream(pathWavFile, FileMode.Open, FileAccess.Read)) {
                using (BinaryReader br = new BinaryReader(fs)) {

                    shortArray = new short[fs.Length / 2];

                    for (int i = 0; i < fs.Length / 2; i++) {
                        shortArray[i] = br.ReadInt16();
                    }
                }
            }
        }

        public short[] Bit16Sound() {
            int bytesPerSecond = (bitsPerSample * sampleRate * channel) / 16;
            int actualByte = bytesPerSecond * delay;

            CalculateNewSoundshort();

            Int32 tempValue;

            int dataStart = zoekData();
            int start16 = dataStart / 2;

            for (int i = start16; i < shortArray.Length; i++)
            {
                if (i - start16 >= actualByte)
                {
                    tempValue = (Int32)(((Int32)shortArray[i] + (Int32)shortArray[i - actualByte]) * (1.0 - demping));
                    if (tempValue > 32767)
                    {
                        tempValue = 32767;
                    }
                    else if (tempValue < -32768)
                    {
                        tempValue = -32768;
                    }
                    shortArray[i] = (short)tempValue;
                }
            }

            return shortArray;

        }