typedef struct truespeechwaveformat_tag {
        WAVEFORMATEX    wfx;
        WORD            wRevision;
        WORD            nSamplesPerBlock;
        BYTE            abReserved[28];
} TRUESPEECHWAVEFORMAT;

typedef TRUESPEECHWAVEFORMAT       *PTRUESPEECHWAVEFORMAT;

typedef TRUESPEECHWAVEFORMAT NEAR *NPTRUESPEECHWAVEFORMAT;

typedef TRUESPEECHWAVEFORMAT FAR  *LPTRUESPEECHWAVEFORMAT;