Lines Matching refs:excitation
52 #define MAX_SIGNAL_HISTORY 416 ///< maximum excitation signal history
279 ///< zero filter output (i.e. excitation)
756 * - A zero-synthesis filter (generate excitation from synth signal)
757 * - Kalman smoothing on excitation, based on pitch
783 /* generate excitation from input signal */
1245 float *excitation)
1264 /* Apply gain to hardcoded codebook and use that as excitation signal */
1266 excitation[n] = wmavoice_std_codebook[r_idx + n] * gain;
1277 float *excitation)
1305 excitation[n] =
1371 ff_acelp_interpolatef(&excitation[n], &excitation[n - pitch],
1379 ff_acelp_interpolatef(excitation, &excitation[-block_pitch],
1383 av_memcpy_backptr((uint8_t *) excitation, sizeof(float) * block_pitch,
1387 /* Interpolate ACB/FCB and use as excitation signal */
1388 ff_weighted_vector_sumf(excitation, excitation, pulses,
1404 * @param excitation target memory for the ACB+FCB interpolated signal
1413 float *excitation, float *synth)
1421 synth_block_hardcoded(s, gb, block_idx, size, frame_desc, excitation);
1424 frame_desc, excitation);
1433 ff_celp_lp_synthesis_filterf(synth, lpcs, excitation, size, s->lsps);
1447 * @param excitation target buffer for excitation signal
1454 float *excitation, float *synth)
1570 &excitation[n * block_nsamples],
1759 float excitation[MAX_SIGNAL_HISTORY + MAX_SFRAMESIZE + 12];
1765 memcpy(excitation, s->excitation_history,
1766 s->history_nsamples * sizeof(*excitation));
1844 &excitation[s->history_nsamples + n * MAX_FRAMESIZE],
1866 memcpy(s->excitation_history, &excitation[MAX_SFRAMESIZE],
1867 s->history_nsamples * sizeof(*excitation));