| /frameworks/av/media/libstagefright/codecs/amrwbenc/src/ |
| pitch_f4.c | 40 Word16 exc[], /* (i) : excitation buffer */
50 Word16 exc[], /* (i) : excitation buffer */
67 Word16 exc[], /* (i) : excitation buffer */
90 /* Compute normalized correlation between target and filtered excitation */
158 * filtered past excitation. *
159 * (correlation between target and filtered excitation divided by the *
160 * square root of energy of target and filtered excitation). *
164 Word16 exc[], /* (i) : excitation buffer */
178 /* compute the filtered excitation for the first delay t_min */
253 /* modify the filtered excitation excf[] for the next iteration *
[all...] |
| voicefac.c | 29 Word16 exc[], /* (i) Q_exc : pitch excitation */
32 Word16 code[], /* (i) Q9 : Fixed codebook excitation */
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| pred_lt4.c | 23 * (adaptive codebook excitation) *
52 Word16 exc[], /* in/out: excitation buffer */
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| /external/speex/libspeex/ |
| ltp.h | 83 spx_word16_t exc[], /* Input excitation */
84 spx_word32_t exc_out[], /* Output excitation */
107 spx_sig_t exc[], /* Excitation */
126 spx_word16_t exc[], /* Input excitation */
127 spx_word32_t exc_out[], /* Output excitation */
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| nb_celp.h | 79 spx_word16_t *excBuf; /**< Excitation buffer */
80 spx_word16_t *exc; /**< Start of excitation frame */
90 spx_mem_t *mem_exc; /**< Filter memory for excitation (whole frame) */
91 spx_mem_t *mem_exc2; /**< Filter memory for excitation (whole frame) */
138 spx_word16_t *excBuf; /**< Excitation buffer */
139 spx_word16_t *exc; /**< Start of excitation frame */
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| filters.h | 79 spx_word16_t *exc, /*decoded excitation*/
80 spx_word16_t *new_exc, /*enhanced excitation*/
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| ltp.c | 353 spx_sig_t exc[], /* Excitation */
408 /* Scale target and excitation down if needed (avoiding overflow) */
430 /* Scale excitation down if needed (avoiding overflow) */
534 spx_sig_t exc[], /* Excitation */
656 spx_word16_t exc[], /* Input excitation */
657 spx_word32_t exc_out[], /* Output excitation */
761 spx_sig_t exc[], /* Excitation */
806 spx_word16_t exc[], /* Input excitation */
807 spx_word32_t exc_out[], /* Output excitation */
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| cb_search.c | 222 /* Update excitation */
223 /* FIXME: We could update the excitation directly above */
496 /* Update excitation */
550 /* Compute decoded excitation */
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| /external/libopus/silk/ |
| CNG.c | 35 /* Generates excitation for CNG LPC synthesis */
115 /* Update CNG excitation buffer with excitation from this subframe */
131 /* Generate CNG excitation */
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| code_signs.c | 40 /* Encodes signs of excitation */
74 /* Decodes signs of excitation */
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| decode_pulses.c | 35 /* Decode quantization indices of excitation */
39 opus_int pulses[], /* O Excitation signal */
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| define.h | 163 /* Number of subframes for excitation entropy coding */
168 /* Number of rate levels, for entropy coding of excitation */
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| encode_pulses.c | 36 /* Encode quantization indices of excitation */
59 /* Encode quantization indices of excitation */
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| main.h | 106 /* Encodes signs of excitation */
116 /* Decodes signs of excitation */
147 /* Encode quantization indices of excitation */
403 /* Decode quantization indices of excitation (Shell coding) */
406 opus_int pulses[], /* O Excitation signal */
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| decode_core.c | 70 /* Decode excitation */
185 /* Generate LPC excitation */
220 /* Add prediction to LPC excitation */
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| PLC.c | 202 /* Scale previous excitation signal */
298 /* Generate LPC excitation */
309 /* Gradually reduce excitation gain */
345 /* Add prediction to LPC excitation */
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| decode_frame.c | 71 /* Decode quantization indices of excitation */
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| /external/webrtc/webrtc/modules/audio_coding/codecs/cng/ |
| webrtc_cng.c | 481 int16_t excitation[WEBRTC_CNG_MAX_OUTSIZE_ORDER]; local
551 /* Calculate sqrt(En * target_energy / excitation energy) */
558 /* Generate excitation. */
559 /* Excitation energy per sample is 2.^24 - Q13 N(0,1). */
561 excitation[i] = WebRtcSpl_RandN(&inst->dec_seed) >> 1;
565 WebRtcSpl_ScaleVector(excitation, excitation, inst->dec_used_scale_factor,
569 * |excitation| - Speech samples.
572 WebRtcSpl_FilterAR(lpPoly, WEBRTC_CNG_MAX_LPC_ORDER + 1, excitation,
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| /frameworks/av/media/libstagefright/codecs/amrwbenc/inc/ |
| acelp.h | 297 Word16 exc[], /* (i) Qnew: excitation (exc[i] >> Qnew) */
307 Word16 exc[], /* (i) Qnew: excitation (exc[i] >> Qnew) */
347 Word16 exc[], /* (i) : excitation buffer */
359 Word16 exc[], /* in/out: excitation buffer */
366 Word16 exc[], /* in/out: excitation buffer */
432 Word16 code[], /* (o) Q9 : algebraic (fixed) codebook excitation */
433 Word16 y[], /* (o) Q9 : filtered fixed codebook excitation */
441 Word16 code[], /* (o) Q9 : algebraic (fixed) codebook excitation */
442 Word16 y[], /* (o) Q9 : filtered fixed codebook excitation */
483 Word16 exc[], /* (i) Q_exc: pitch excitation */
[all...] |
| /frameworks/av/media/libstagefright/codecs/amrnb/dec/src/ |
| ex_ctrl.cpp | 88 excitation = pointer to current subframe excitation of type Word16
151 Word16 Ex_ctrl(Word16 excitation[], /*i/o: Current subframe excitation */
209 /* scale the excitation by scaleFactor */
212 t0 = L_mult(scaleFactor, excitation[i], pOverflow);
214 excitation[i] = extract_l(t0);
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| d2_11pf.h | 86 Word16 cod[] /* o : algebraic (fixed) codebook excitation */
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| ph_disp.cpp | 89 the excitation signal. The phase dispersion initialization, reset, and
394 x = LTP excitation signal buffer (Word16)
398 pitch_fac = pitch factor used to scale the LTP excitation (Word16)
399 tmp_shift = shift factor applied to sum of scaled LTP excitation and
406 x buffer contains the new excitation signal
423 excitation for the synthesis part of the decoder.
441 Word16 x[], // i/o Q0 : in: LTP excitation signal
442 // out: total excitation signal
447 LTP excitation (Q13 for 12.2)
613 // compute total excitation for synthesis part of decode
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| /external/libgsm/ |
| README | 13 excitation/long term prediction) coding at 13 kbit/s.
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| /frameworks/av/media/libstagefright/codecs/amrnb/common/src/ |
| pred_lt.cpp | 138 exc = buffer containing the excitation (Word16)
151 exc buffer contains the newly formed adaptive codebook excitation
164 interpolation of resolution 1/3 or 1/6. (Interpolated past excitation).
166 The past excitation signal at the given delay is interpolated at
167 the given fraction to build the adaptive codebook excitation.
169 (adaptive codebook excitation).
185 Word16 exc[], // in/out: excitation buffer
255 Word16 exc[], /* in/out: excitation buffer */
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| /frameworks/av/media/libstagefright/codecs/amrwb/src/ |
| pvamrwbdecoder.cpp | 202 /* scaling memories for excitation */
298 /* Excitation vector */
310 int16 *exc2 = &excp[L_SUBFR]; /* excitation vector */
560 * - find the excitation and compute synthesis speech
699 /* find pitch excitation with lp filter */
844 /* find best scaling to perform on excitation (Q_new) */
909 /* post processing of excitation elements */
938 * - Find the total excitation.
940 * - Find maximum value of excitation for next scaling
959 /* tmp = scaling possible according to max value of excitation */
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