Searched refs:lpc (Results 1 - 25 of 32) sorted by relevance

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/external/speex/libspeex/
H A Dlpc.c56 #include "lpc.h"
74 spx_coef_t *lpc, /* out: [0...p-1] LPC coefficients */
86 lpc[i] = 0;
95 rr = SUB32(rr,MULT16_16(lpc[j],ac[i - j]));
102 lpc[i] = r;
105 spx_word16_t tmp = lpc[j];
106 lpc[j] = MAC16_16_P13(lpc[j],r,lpc[i-1-j]);
107 lpc[
73 _spx_lpc( spx_coef_t *lpc, const spx_word16_t *ac, int p ) argument
[all...]
H A Dlpc.h3 @file lpc.h
47 spx_coef_t * lpc, /* [0...p-1] LPC coefficients */
H A Dnb_celp.c38 #include "lpc.h"
266 VARDECL(spx_coef_t *lpc);
284 ALLOC(lpc, st->lpcSize, spx_coef_t);
320 _spx_lpc(lpc, autocorr, st->lpcSize);
322 roots=lpc_to_lsp (lpc, st->lpcSize, lsp, 10, LSP_DELTA1, stack);
1206 VARDECL(spx_coef_t *lpc);
1207 ALLOC(lpc, st->lpcSize, spx_coef_t);
1208 bw_lpc(QCONST16(0.93f,15), st->interp_qlpc, lpc, st->lpcSize); local
1221 iir_mem16(st->exc, lpc, out, st->frameSize, st->lpcSize, st->mem_sp, stack);
H A Dsb_celp.c39 #include "lpc.h"
322 VARDECL(spx_coef_t *lpc);
373 ALLOC(lpc, st->lpcSize, spx_coef_t);
407 _spx_lpc(lpc, autocorr, st->lpcSize);
411 roots=lpc_to_lsp (lpc, st->lpcSize, lsp, 10, LSP_DELTA1, stack);
414 roots = lpc_to_lsp (lpc, st->lpcSize, lsp, 10, LSP_DELTA2, stack);
/external/webrtc/webrtc/modules/audio_coding/codecs/ilbc/
H A Ddo_plc.h35 int16_t *lpc, /* (i) decoded LPC (only used for no PL) */
H A Ddo_plc.c35 int16_t *lpc, /* (i) decoded LPC (only used for no PL) */
295 WEBRTC_SPL_MEMCPY_W16(PLClpc, lpc, (LPC_FILTERORDER+1));
29 WebRtcIlbcfix_DoThePlc( int16_t *PLCresidual, int16_t *PLClpc, int16_t PLI, int16_t *decresidual, int16_t *lpc, size_t inlag, IlbcDecoder *iLBCdec_inst ) argument
/external/libxaac/decoder/
H A Dixheaacd_tns.h42 VOID ixheaacd_tns_parcor_lpc_convert_dec(WORD16 *parcor, WORD16 *lpc,
45 void ixheaacd_tns_parcor_lpc_convert_dec_ld(WORD32 *parcor, WORD32 *lpc,
48 VOID ixheaacd_tns_parcor_lpc_convert_armv7(WORD16 *parcor, WORD16 *lpc,
52 WORD16 *lpc, WORD32 order, WORD32 shift_value,
56 WORD32 *lpc, WORD32 order,
60 WORD16 *lpc, WORD32 order, WORD32 shift_value,
66 VOID ixheaacd_tns_parcor_to_lpc(WORD32 *parcor, WORD32 *lpc, WORD16 *scale,
70 WORD32 *lpc, WORD32 order,
74 WORD32 inc, WORD32 *lpc, WORD32 order,
78 WORD32 inc, WORD32 *lpc,
[all...]
H A Dixheaacd_aac_tns.c98 VOID ixheaacd_tns_parcor_to_lpc(WORD32 *parcor, WORD32 *lpc, WORD16 *scale, argument
140 lpc[i] = (accu1);
152 VOID ixheaacd_tns_parcor_lpc_convert_dec(WORD16 *parcor, WORD16 *lpc, argument
197 lpc[i] = ixheaacd_round16(accu1);
210 WORD32 *lpc, WORD32 order,
220 lpc[i] = 0;
222 lpc[i] = 0;
232 acc = ixheaacd_mac32_tns(state[j - 1], lpc[j], acc);
246 acc = ixheaacd_mac32_tns(state[j - 1], lpc[j], acc);
259 WORD32 inc, WORD32 *lpc,
209 ixheaacd_tns_ar_filter_fixed_dec(WORD32 *spectrum, WORD32 size, WORD32 inc, WORD32 *lpc, WORD32 order, WORD32 shift_value, WORD scale_spec) argument
258 ixheaacd_tns_ar_filter_fixed_non_neon_armv7(WORD32 *spectrum, WORD32 size, WORD32 inc, WORD32 *lpc, WORD32 order, WORD32 shift_value, WORD scale_spec) argument
310 ixheaacd_tns_ar_filter_fixed_armv8(WORD32 *spectrum, WORD32 size, WORD32 inc, WORD32 *lpc, WORD32 order, WORD32 shift_value, WORD scale_spec) argument
360 ixheaacd_tns_ma_filter_fixed_ld(WORD32 *spectrum, WORD32 size, WORD32 inc, WORD32 *lpc, WORD32 order, WORD16 shift_value) argument
381 ixheaacd_tns_ar_filter_dec(WORD32 *spectrum, WORD32 size, WORD32 inc, WORD16 *lpc, WORD32 order, WORD32 shift_value, WORD scale_spec, WORD32 *ptr_filter_state) argument
[all...]
/external/libopus/celt/
H A Dcelt_lpc.c47 opus_val32 lpc[LPC_ORDER]; local
49 float *lpc = _lpc; local
52 OPUS_CLEAR(lpc, p);
59 rr += MULT32_32_Q31(lpc[j],ac[i - j]);
63 lpc[i] = SHR32(r,3);
67 tmp1 = lpc[j];
68 tmp2 = lpc[i-1-j];
69 lpc[j] = tmp1 + MULT32_32_Q31(r,tmp2);
70 lpc[i-1-j] = tmp2 + MULT32_32_Q31(r,tmp1);
86 _lpc[i] = ROUND16(lpc[
[all...]
H A Dpitch.c153 opus_val16 lpc[4], mem[5]={0,0,0,0,0}; local
202 _celt_lpc(lpc, ac, 4);
206 lpc[i] = MULT16_16_Q15(lpc[i], tmp);
209 lpc2[0] = lpc[0] + QCONST16(.8f,SIG_SHIFT);
210 lpc2[1] = lpc[1] + MULT16_16_Q15(c1,lpc[0]);
211 lpc2[2] = lpc[2] + MULT16_16_Q15(c1,lpc[1]);
212 lpc2[3] = lpc[
[all...]
H A Dcelt_decoder.c97 /* opus_val16 lpc[], Size = channels*LPC_ORDER */
471 opus_val16 *lpc; local
491 lpc = (opus_val16*)(st->_decode_mem+(DECODE_BUFFER_SIZE+overlap)*C);
492 oldBandE = lpc+C*LPC_ORDER;
615 _celt_lpc(lpc+c*LPC_ORDER, ac, LPC_ORDER);
624 sum += ABS16(lpc[c*LPC_ORDER+i]);
629 lpc[c*LPC_ORDER+i] = MULT16_16_Q15(lpc[c*LPC_ORDER+i], tmp);
646 celt_fir(exc+MAX_PERIOD-exc_length, lpc+c*LPC_ORDER,
711 celt_iir(buf+DECODE_BUFFER_SIZE-N, lpc
804 opus_val16 *lpc; local
1266 opus_val16 *lpc, *oldBandE, *oldLogE, *oldLogE2; local
[all...]
/external/webrtc/webrtc/modules/audio_processing/vad/
H A Dvad_audio_proc.cc53 "lpc analysis window incorrect size");
139 void VadAudioProc::GetLpcPolynomials(double* lpc, size_t length_lpc) { argument
151 WebRtcIsac_LevDurb(&lpc[offset_lpc], reflec_coeff, corr, kLpcOrder);
172 // 1 / A(z), where A(z) is defined by |lpc| is a model of the spectral envelope
180 double lpc[kNum10msSubframes * (kLpcOrder + 1)]; local
182 GetLpcPolynomials(lpc, kNum10msSubframes * (kLpcOrder + 1));
191 data[n] = static_cast<float>(lpc[i * (kLpcOrder + 1) + n]);
H A Dvad_audio_proc.h43 void GetLpcPolynomials(double* lpc, size_t length_lpc);
/external/libxaac/decoder/armv7/
H A Dixheaacd_function_selector_arm_non_neon.c136 (WORD32 *spectrum, WORD32 size, WORD32 inc, WORD32 *lpc, WORD32 order,
141 (WORD32 *spectrum, WORD32 size, WORD32 inc, WORD16 *lpc, WORD32 order,
146 (WORD16 *parcor, WORD16 *lpc, WORD16 *scale,
H A Dixheaacd_function_selector_armv7.c143 (WORD32 *spectrum, WORD32 size, WORD32 inc, WORD32 *lpc, WORD32 order,
147 (WORD32 *spectrum, WORD32 size, WORD32 inc, WORD16 *lpc, WORD32 order,
152 (WORD16 *parcor, WORD16 *lpc, WORD16 *scale,
H A Dixheaacd_tns_ar_filter_fixed.s45 STR r8, [r14, #4]! @lpc[i] = 0
49 STR r8, [r14, #4] @lpc[i] = 0
77 LDR r9 , [r3 , r5] @lpc[j]
110 VLD1.32 {D10, D11}, [R8]! @lpc[j]
151 VSHR.S64 D6, #32 @acc1=acc>>32 @acc = mac32_tns_neon(state[j - 1],lpc[j],acc, temp_lo)@
190 VSHR.S64 D6, #32 @acc = mac32_tns_neon(state[j - 1],lpc[j],acc, temp_lo)@
373 LDR r9 , [r3 , r5] @lpc[j]
398 VLD1.32 {D10, D11}, [R8]! @lpc[j]
/external/libxaac/decoder/armv8/
H A Dixheaacd_function_selector_armv8.c141 (WORD32 *spectrum, WORD32 size, WORD32 inc, WORD32 *lpc, WORD32 order,
145 (WORD32 *spectrum, WORD32 size, WORD32 inc, WORD16 *lpc, WORD32 order,
150 (WORD16 *parcor, WORD16 *lpc, WORD16 *scale,
/external/libxaac/decoder/generic/
H A Dixheaacd_function_selector_generic.c142 (WORD32 *spectrum, WORD32 size, WORD32 inc, WORD32 *lpc, WORD32 order,
146 (WORD32 *spectrum, WORD32 size, WORD32 inc, WORD16 *lpc, WORD32 order,
151 (WORD16 *parcor, WORD16 *lpc, WORD16 *scale,
/external/libxaac/decoder/x86/
H A Dixheaacd_function_selector_x86.c141 (WORD32 *spectrum, WORD32 size, WORD32 inc, WORD32 *lpc, WORD32 order,
145 (WORD32 *spectrum, WORD32 size, WORD32 inc, WORD16 *lpc, WORD32 order,
150 (WORD16 *parcor, WORD16 *lpc, WORD16 *scale,
/external/libxaac/decoder/x86_64/
H A Dixheaacd_function_selector_x86_64.c141 (WORD32 *spectrum, WORD32 size, WORD32 inc, WORD32 *lpc, WORD32 order,
145 (WORD32 *spectrum, WORD32 size, WORD32 inc, WORD16 *lpc, WORD32 order,
150 (WORD16 *parcor, WORD16 *lpc, WORD16 *scale,
/external/webrtc/webrtc/common_audio/signal_processing/
H A Dsignal_processing_unittest.cc352 int16_t lpc[kOrder + 2] = { 0 }; local
357 EXPECT_EQ(0, WebRtcSpl_LevinsonDurbin(unstable_filter, lpc, refl, kOrder));
358 EXPECT_EQ(1, WebRtcSpl_LevinsonDurbin(stable_filter, lpc, refl, kOrder));
360 EXPECT_EQ(lpc_result[i], lpc[i]);
/external/flac/libFLAC/
H A Dlpc.c43 #include "private/lpc.h"
125 double r, err, lpc[FLAC__MAX_LPC_ORDER]; local
138 r -= lpc[j] * autoc[i-j];
142 lpc[i]=r;
144 double tmp = lpc[j];
145 lpc[j] += r * lpc[i-1-j];
146 lpc[i-1-j] += r * tmp;
149 lpc[j] += lpc[
[all...]
H A Dstream_encoder.c56 #include "private/lpc.h"
3487 /* encode lpc */
3583 /* under rare circumstances this can happen when all but lpc subframe types are disabled: */
3617 if(!FLAC__subframe_add_lpc(&(subframe->data.lpc), blocksize - subframe->data.lpc.order, subframe_bps, subframe->wasted_bits, frame)) {
3772 FLAC__int32 qlp_coeff[FLAC__MAX_LPC_ORDER]; /* WATCHOUT: the size is important; some x86 intrinsic routines need more than lpc order elements */
3798 subframe->data.lpc.entropy_coding_method.type = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE;
3799 subframe->data.lpc.entropy_coding_method.data.partitioned_rice.contents = partitioned_rice_contents;
3800 subframe->data.lpc.residual = residual;
3817 &subframe->data.lpc
[all...]
/external/libgsm/
H A DMakefile167 $(SRC)/lpc.c \
211 $(SRC)/lpc.o \
/external/flac/include/FLAC/
H A Dformat.h349 FLAC__Subframe_LPC lpc; member in union:__anon7220::__anon7221

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