Searched defs:lpc (Results 1 - 16 of 16) sorted by relevance

/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
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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);
/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[
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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[
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H A Dcelt_decoder.c96 /* opus_val16 lpc[], Size = channels*LPC_ORDER */
421 opus_val16 *lpc; local
441 lpc = (opus_val16*)(st->_decode_mem+(DECODE_BUFFER_SIZE+overlap)*C);
442 oldBandE = lpc+C*LPC_ORDER;
563 _celt_lpc(lpc+c*LPC_ORDER, ac, LPC_ORDER);
578 celt_fir(exc+MAX_PERIOD-exc_length, lpc+c*LPC_ORDER,
644 celt_iir(buf+DECODE_BUFFER_SIZE-N, lpc+c*LPC_ORDER,
733 opus_val16 *lpc; local
773 lpc = (opus_val16*)(st->_decode_mem+(DECODE_BUFFER_SIZE+overlap)*CC);
774 oldBandE = lpc
1194 opus_val16 *lpc, *oldBandE, *oldLogE, *oldLogE2; local
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/external/flac/libFLAC/
H A Dlpc.c43 #include "private/lpc.h"
126 FLAC__double r, err, lpc[FLAC__MAX_LPC_ORDER]; local
139 r -= lpc[j] * autoc[i-j];
143 lpc[i]=r;
145 FLAC__double tmp = lpc[j];
146 lpc[j] += r * lpc[i-1-j];
147 lpc[i-1-j] += r * tmp;
150 lpc[j] += lpc[
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/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/webrtc/webrtc/modules/audio_coding/codecs/ilbc/
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/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]);
/external/flac/include/FLAC/
H A Dformat.h349 FLAC__Subframe_LPC lpc; member in union:__anon6626::__anon6627
/external/robolectric/v3/runtime/
H A Dandroid-all-4.1.2_r1-robolectric-0.jarMETA-INF/ META-INF/MANIFEST.MF android/ android/accessibilityservice/ android/accessibilityservice/AccessibilityService$1.class ...
H A Dandroid-all-4.2.2_r1.2-robolectric-0.jarMETA-INF/ META-INF/MANIFEST.MF android/ android/accessibilityservice/ android/accessibilityservice/AccessibilityService$1.class ...
H A Dandroid-all-4.3_r2-robolectric-0.jarMETA-INF/ META-INF/MANIFEST.MF android/ android/accessibilityservice/ android/accessibilityservice/AccessibilityService$1.class ...
H A Dandroid-all-4.4_r1-robolectric-1.jarMETA-INF/ META-INF/MANIFEST.MF com/ com/google/ com/google/android/ com/google/android/collect/ ...
H A Dandroid-all-5.0.0_r2-robolectric-1.jarMETA-INF/ META-INF/MANIFEST.MF com/ com/google/ com/google/android/ com/google/android/collect/ ...
H A Dandroid-all-5.1.1_r9-robolectric-1.jarMETA-INF/ META-INF/MANIFEST.MF com/ com/google/ com/google/android/ com/google/android/collect/ ...

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