MP3头部结构体定义（一）

//MP3头结构体typedef struct Tag_Mp3_Header{ unsigned int  sync :11;                  //同步信息unsigned char version :2;                //版本 unsigned char layer :2;                  //层unsigned char error_protection:1;        //CRC校验unsigned char bitrate_index :4;          //位率unsigned char sampling_frequency :2;     //采样频率unsigned char padding :1;                //帧长调节unsigned char private_t :1;              //保留字unsigned char mode :2;                   //声道模式unsigned char mode_extension :2;         //扩展模式unsigned char copyright :1;              //版权unsigned char original :1;               //原版标志unsigned char emphasis :2;               //强调模式}Mp3_Header;