pitch_sharpening 1004 libavcodec/amrnbdec.c         pitch_sharpening(p, subframe, p->cur_frame_mode, &fixed_sparse);
pitch_sharpening 1190 libavcodec/amrwbdec.c         pitch_sharpening(ctx, ctx->fixed_vector);
pitch_sharpening  253 libavcodec/sipr.c     pitch_sharpening(pitch_lag, pitch_sharp_factor, freq);