}
public struct 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;//记录每秒采样率。 16000
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。 位深16
public string datachunkid;
public long datasize;
}
/// <summary>
/// 取出WAV头信息
/// </summary>
/// <param name="strpath"></param>
/// <returns></returns>
private static WavInfo GetWavInfo(string strpath)
{
WavInfo wavInfo = new WavInfo();
FileInfo fi = new FileInfo(strpath);
using (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 ")
{
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);
}
}
}
return wavInfo;
}
}
/// <summary>
/// 定义JSON数据的一个类
/// </summary>
public class Customer
{
public string format { get; set; }
public int rate { get; set; }
public int channel { get; set; }
public string token { get; set; }
public int len { get; set; }
public int cuid { get; set; }
public string lan { get; set; }
public string speech { get; set; }
public Customer()
{