C#讀取wav文件

　private void showWAVForm(string filepath) //此函數只能用於讀取16bit量化單聲道的WAV文件  2          {
              FileStream  fs = new FileStream(filepath,FileMode.Open);
              fs.Read(new byte[42],0,42);
              byte[] datasize = new byte[4]; 
              fs.Read(datasize,0,4);
              int dtsize = byteArray2Int(datasize); //數據塊部分數據的字節數
              for (int i = 0; i < dtsize/2; i++)
                  {
                    byte[] byt = new byte[2];
                    fs.Read(byt, 0, 2);
                    short dt = (short)(byt[0] | (((int)byt[1]) << 8)); 13                     Console.WriteLine(dt);
                }
              fs.Close();
         }
 
 　　　　private int byteArray2Int(byte[] hex)
        {
           return hex[0] | (hex[1] << 8) | (hex[2] << 16) | (hex[3] << 24);
        }