| /external/speex/libspeex/ |
| D | lpc.c | 74 spx_coef_t *lpc, /* out: [0...p-1] LPC coefficients */ in _spx_lpc() argument
86 lpc[i] = 0; in _spx_lpc()
95 rr = SUB32(rr,MULT16_16(lpc[j],ac[i - j])); in _spx_lpc()
102 lpc[i] = r; in _spx_lpc()
105 spx_word16_t tmp = lpc[j]; in _spx_lpc()
106 lpc[j] = MAC16_16_P13(lpc[j],r,lpc[i-1-j]); in _spx_lpc()
107 lpc[i-1-j] = MAC16_16_P13(lpc[i-1-j],r,tmp); in _spx_lpc()
110 lpc[j] = MAC16_16_P13(lpc[j],lpc[j],r); in _spx_lpc()
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| D | lpc.h | 47 spx_coef_t * lpc, /* [0...p-1] LPC coefficients */
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| D | nb_celp.c | 266 VARDECL(spx_coef_t *lpc); in nb_encode()
284 ALLOC(lpc, st->lpcSize, spx_coef_t); in nb_encode()
320 _spx_lpc(lpc, autocorr, st->lpcSize); in nb_encode()
322 roots=lpc_to_lsp (lpc, st->lpcSize, lsp, 10, LSP_DELTA1, stack); in nb_encode()
1206 VARDECL(spx_coef_t *lpc); in nb_decode()
1207 ALLOC(lpc, st->lpcSize, spx_coef_t); in nb_decode()
1208 bw_lpc(QCONST16(0.93f,15), st->interp_qlpc, lpc, st->lpcSize); in nb_decode()
1221 iir_mem16(st->exc, lpc, out, st->frameSize, st->lpcSize, st->mem_sp, stack); in nb_decode()
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| /external/libxaac/decoder/ |
| D | ixheaacd_aac_tns.c | 98 VOID ixheaacd_tns_parcor_to_lpc(WORD32 *parcor, WORD32 *lpc, WORD16 *scale, in ixheaacd_tns_parcor_to_lpc() argument
140 lpc[i] = (accu1); in ixheaacd_tns_parcor_to_lpc()
152 VOID ixheaacd_tns_parcor_lpc_convert_dec(WORD16 *parcor, WORD16 *lpc, in ixheaacd_tns_parcor_lpc_convert_dec() argument
197 lpc[i] = ixheaacd_round16(accu1); in ixheaacd_tns_parcor_lpc_convert_dec()
210 WORD32 *lpc, WORD32 order, in ixheaacd_tns_ar_filter_fixed_dec() argument
220 lpc[i] = 0; in ixheaacd_tns_ar_filter_fixed_dec()
222 lpc[i] = 0; in ixheaacd_tns_ar_filter_fixed_dec()
232 acc = ixheaacd_mac32_tns(state[j - 1], lpc[j], acc); in ixheaacd_tns_ar_filter_fixed_dec()
246 acc = ixheaacd_mac32_tns(state[j - 1], lpc[j], acc); in ixheaacd_tns_ar_filter_fixed_dec()
259 WORD32 inc, WORD32 *lpc, in ixheaacd_tns_ar_filter_fixed_non_neon_armv7() argument
[all …]
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| D | ixheaacd_tns.h | 42 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 …]
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| /external/libopus/celt/ |
| D | celt_lpc.c | 47 opus_val32 lpc[LPC_ORDER]; in _celt_lpc() local
49 float *lpc = _lpc; in _celt_lpc() local
52 OPUS_CLEAR(lpc, p); in _celt_lpc()
59 rr += MULT32_32_Q31(lpc[j],ac[i - j]); in _celt_lpc()
63 lpc[i] = SHR32(r,3); in _celt_lpc()
67 tmp1 = lpc[j]; in _celt_lpc()
68 tmp2 = lpc[i-1-j]; in _celt_lpc()
69 lpc[j] = tmp1 + MULT32_32_Q31(r,tmp2); in _celt_lpc()
70 lpc[i-1-j] = tmp2 + MULT32_32_Q31(r,tmp1); in _celt_lpc()
86 _lpc[i] = ROUND16(lpc[i],16); in _celt_lpc()
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| D | pitch.c | 153 opus_val16 lpc[4], mem[5]={0,0,0,0,0}; in pitch_downsample() local
202 _celt_lpc(lpc, ac, 4); in pitch_downsample()
206 lpc[i] = MULT16_16_Q15(lpc[i], tmp); in pitch_downsample()
209 lpc2[0] = lpc[0] + QCONST16(.8f,SIG_SHIFT); in pitch_downsample()
210 lpc2[1] = lpc[1] + MULT16_16_Q15(c1,lpc[0]); in pitch_downsample()
211 lpc2[2] = lpc[2] + MULT16_16_Q15(c1,lpc[1]); in pitch_downsample()
212 lpc2[3] = lpc[3] + MULT16_16_Q15(c1,lpc[2]); in pitch_downsample()
213 lpc2[4] = MULT16_16_Q15(c1,lpc[3]); in pitch_downsample()
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| D | celt_decoder.c | 471 opus_val16 *lpc; in celt_decode_lost() local
491 lpc = (opus_val16*)(st->_decode_mem+(DECODE_BUFFER_SIZE+overlap)*C); in celt_decode_lost()
492 oldBandE = lpc+C*LPC_ORDER; in celt_decode_lost()
615 _celt_lpc(lpc+c*LPC_ORDER, ac, LPC_ORDER); in celt_decode_lost()
624 sum += ABS16(lpc[c*LPC_ORDER+i]); in celt_decode_lost()
629 lpc[c*LPC_ORDER+i] = MULT16_16_Q15(lpc[c*LPC_ORDER+i], tmp); in celt_decode_lost()
646 celt_fir(exc+MAX_PERIOD-exc_length, lpc+c*LPC_ORDER, in celt_decode_lost()
711 celt_iir(buf+DECODE_BUFFER_SIZE-N, lpc+c*LPC_ORDER, in celt_decode_lost()
804 opus_val16 *lpc; local
844 lpc = (opus_val16*)(st->_decode_mem+(DECODE_BUFFER_SIZE+overlap)*CC);
[all …]
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| /external/webrtc/webrtc/modules/audio_processing/vad/ |
| D | vad_audio_proc.cc | 139 void VadAudioProc::GetLpcPolynomials(double* lpc, size_t length_lpc) { in GetLpcPolynomials() argument
151 WebRtcIsac_LevDurb(&lpc[offset_lpc], reflec_coeff, corr, kLpcOrder); in GetLpcPolynomials()
180 double lpc[kNum10msSubframes * (kLpcOrder + 1)]; in FindFirstSpectralPeaks() local
182 GetLpcPolynomials(lpc, kNum10msSubframes * (kLpcOrder + 1)); in FindFirstSpectralPeaks()
191 data[n] = static_cast<float>(lpc[i * (kLpcOrder + 1) + n]); in FindFirstSpectralPeaks()
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| D | vad_audio_proc.h | 43 void GetLpcPolynomials(double* lpc, size_t length_lpc);
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| /external/libxaac/decoder/armv7/ |
| D | ixheaacd_function_selector_arm_non_neon.c | 136 (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,
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| D | ixheaacd_tns_ar_filter_fixed.s | 45 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, t…
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]
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| D | ixheaacd_function_selector_armv7.c | 143 (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,
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| /external/libxaac/decoder/armv8/ |
| D | ixheaacd_function_selector_armv8.c | 141 (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,
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| /external/libxaac/decoder/x86_64/ |
| D | ixheaacd_function_selector_x86_64.c | 141 (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,
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| /external/libxaac/decoder/generic/ |
| D | ixheaacd_function_selector_generic.c | 142 (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,
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| /external/libxaac/decoder/x86/ |
| D | ixheaacd_function_selector_x86.c | 141 (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,
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| /external/webrtc/webrtc/modules/audio_coding/codecs/ilbc/ |
| D | do_plc.h | 35 int16_t *lpc, /* (i) decoded LPC (only used for no PL) */
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| D | do_plc.c | 35 int16_t *lpc, /* (i) decoded LPC (only used for no PL) */ in WebRtcIlbcfix_DoThePlc() argument
295 WEBRTC_SPL_MEMCPY_W16(PLClpc, lpc, (LPC_FILTERORDER+1)); in WebRtcIlbcfix_DoThePlc()
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| /external/webrtc/webrtc/common_audio/signal_processing/ |
| D | signal_processing_unittest.cc | 352 int16_t lpc[kOrder + 2] = { 0 }; in TEST_F() local
357 EXPECT_EQ(0, WebRtcSpl_LevinsonDurbin(unstable_filter, lpc, refl, kOrder)); in TEST_F()
358 EXPECT_EQ(1, WebRtcSpl_LevinsonDurbin(stable_filter, lpc, refl, kOrder)); in TEST_F()
360 EXPECT_EQ(lpc_result[i], lpc[i]); in TEST_F()
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| /external/flac/libFLAC/ |
| D | Android.bp | 14 "lpc.c",
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| D | lpc.c | 125 double r, err, lpc[FLAC__MAX_LPC_ORDER]; in FLAC__lpc_compute_lp_coefficients() local
138 r -= lpc[j] * autoc[i-j]; in FLAC__lpc_compute_lp_coefficients()
142 lpc[i]=r; in FLAC__lpc_compute_lp_coefficients()
144 double tmp = lpc[j]; in FLAC__lpc_compute_lp_coefficients()
145 lpc[j] += r * lpc[i-1-j]; in FLAC__lpc_compute_lp_coefficients()
146 lpc[i-1-j] += r * tmp; in FLAC__lpc_compute_lp_coefficients()
149 lpc[j] += lpc[j] * r; in FLAC__lpc_compute_lp_coefficients()
155 lp_coeff[i][j] = (FLAC__real)(-lpc[j]); /* negate FIR filter coeff to get predictor coeff */ in FLAC__lpc_compute_lp_coefficients()
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| /external/libgsm/ |
| D | Android.bp | 31 "src/lpc.c",
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| D | MANIFEST | 35 gsm-1.0/src/lpc.c
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| D | Makefile | 167 $(SRC)/lpc.c \
211 $(SRC)/lpc.o \
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