sp;               {

                    wavInfo.groupid = System.Text.Encoding.Default.GetString(bInfo,0,4);

                    System.BitConverter.ToInt32(bInfo,4);

                    wavInfo.filesize = System.BitConverter.ToInt32(bInfo,4);

                        

                    //wavInfo.filesize = Convert.ToInt64(System.Text.Encoding.Default.GetString(bInfo,4,4));

                    wavInfo.rifftype = System.Text.Encoding.Default.GetString(bInfo,8,4);

                    wavInfo.chunkid = System.Text.Encoding.Default.GetString(bInfo,12,4);

                    wavInfo.chunksize = System.BitConverter.ToInt32(bInfo,16);

                    wavInfo.wformattag = System.BitConverter.ToInt16(bInfo,20);

                    wavInfo.wchannels = System.BitConverter.ToUInt16(bInfo,22);

                    wavInfo.dwsamplespersec = System.BitConverter.ToUInt32(bInfo,24);

                    wavInfo.dwavgbytespersec = System.BitConverter.ToUInt32(bInfo,28);

                    wavInfo.wblockalign = System.BitConverter.ToUInt16(bInfo,32);

                    wavInfo.wbitspersample = System.BitConverter.ToUInt16(bInfo,34);

                    wavInfo.datachunkid = System.Text.Encoding.Default.GetString(bInfo,36,4);

                    wavInfo.datasize = System.BitConverter.ToInt32(bInfo,40);