Lines Matching defs:excitation
54 #define MAX_SIGNAL_HISTORY 416 ///< maximum excitation signal history
276 ///< zero filter output (i.e. excitation)
792 * - A zero-synthesis filter (generate excitation from synth signal)
793 * - Kalman smoothing on excitation, based on pitch
819 /* generate excitation from input signal */
1280 float *excitation)
1299 /* Apply gain to hardcoded codebook and use that as excitation signal */
1301 excitation[n] = wmavoice_std_codebook[r_idx + n] * gain;
1312 float *excitation)
1340 excitation[n] =
1406 ff_acelp_interpolatef(&excitation[n], &excitation[n - pitch],
1414 ff_acelp_interpolatef(excitation, &excitation[-block_pitch],
1418 av_memcpy_backptr((uint8_t *) excitation, sizeof(float) * block_pitch,
1422 /* Interpolate ACB/FCB and use as excitation signal */
1423 ff_weighted_vector_sumf(excitation, excitation, pulses,
1438 * @param excitation target memory for the ACB+FCB interpolated signal
1447 float *excitation, float *synth)
1455 synth_block_hardcoded(s, gb, block_idx, size, frame_desc, excitation);
1458 frame_desc, excitation);
1467 ff_celp_lp_synthesis_filterf(synth, lpcs, excitation, size, s->lsps);
1480 * @param excitation target buffer for excitation signal
1487 float *excitation, float *synth)
1605 &excitation[n * block_nsamples],
1720 float excitation[MAX_SIGNAL_HISTORY + MAX_SFRAMESIZE + 12];
1726 memcpy(excitation, s->excitation_history,
1727 s->history_nsamples * sizeof(*excitation));
1804 &excitation[s->history_nsamples + n * MAX_FRAMESIZE],
1831 memcpy(s->excitation_history, &excitation[MAX_SFRAMESIZE],
1832 s->history_nsamples * sizeof(*excitation));