typedef struct nms_vbxadpcmmwaveformat_tag {
        WAVEFORMATEX    wfx;
        WORD            wSamplesPerBlock;
} NMS_VBXADPCMWAVEFORMAT;

typedef NMS_VBXADPCMWAVEFORMAT       *PNMS_VBXADPCMWAVEFORMAT;

typedef NMS_VBXADPCMWAVEFORMAT NEAR *NPNMS_VBXADPCMWAVEFORMAT;

typedef NMS_VBXADPCMWAVEFORMAT FAR  *LPNMS_VBXADPCMWAVEFORMAT;