ct WavInfo

        {

            public string groupid;

            public string rifftype;

            public long filesize;

            public string chunkid;

            public long chunksize;



            public short wformattag; //记录着此声音的格式代号，例如WAVE_FORMAT_PCM，WAVE_F0RAM_ADPCM等等。

            public ushort wchannels; //记录声音的频道数。

            public ulong  dwsamplespersec;//记录每秒取样数。

            public ulong  dwavgbytespersec;//记录每秒的数据量。

            public ushort wblockalign;//记录区块的对齐单位。

            public ushort wbitspersample;//记录每个取样所需的位元数。



            public string datachunkid;

            public long datasize;



        }



        public static void GetWavInfo(string strpath)

        {

            WavInfo wavInfo = new WavInfo();

            FileInfo fi = new FileInfo(strpath);

            System.IO.FileStream fs=fi.OpenRead();

            if(fs.Length>=44)

            {

                byte bInfo=new byte[44];

                fs.Read(bInfo,0,44);

                

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

                if(System.Text.Encoding.Default.GetString(bInfo,0,4)=="RIFF"&&System.Text.Encoding.Default.GetString(bInfo,8,4)=="WAVE"&&System.Text.Encoding.Default.GetString(bInfo,12,4)=="fmt ")

&nb