} AMRWBFrame;
/** The index of a frame parameter */
-#define AMR_BIT(field) (offsetof(AMRWBFrame, field) >> 1)
+#define AMR_BIT(field) (offsetof(AMRWBFrame, field))
/** The index of a subframe-specific parameter */
#define AMR_OF(frame_num, variable) AMR_BIT(subframe[frame_num].variable)