/external/libvorbis/lib/ |
lpc.h | 13 function: LPC low level routines 14 last mod: $Id: lpc.h 16037 2009-05-26 21:10:58Z xiphmont $ 23 /* simple linear scale LPC code */ 24 extern float vorbis_lpc_from_data(float *data,float *lpc,int n,int m);
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lpc.c | 13 function: LPC low level routines 14 last mod: $Id: lpc.c 16227 2009-07-08 06:58:46Z xiphmont $ 18 /* Some of these routines (autocorrelator, LPC coefficient estimator) 51 #include "lpc.h" 55 /* Autocorrelation LPC coeff generation algorithm invented by 59 Output: m lpc coefficients, excitation energy */ 63 double *lpc=alloca(sizeof(*lpc)*(m)); local 76 /* Generate lpc coefficients from autocorr values */ 86 memset(lpc+i,0,(m-i)*sizeof(*lpc)) [all...] |
lsp.h | 22 extern int vorbis_lpc_to_lsp(float *lpc,float *lsp,int m);
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Makefile.am | 10 lpc.c analysis.c synthesis.c psy.c info.c \ 14 envelope.h lpc.h lsp.h codebook.h misc.h psy.h\
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lsp.c | 25 /* Note that the lpc-lsp conversion finds the roots of polynomial with 29 LPC f response) which in turn should be impossible in our use of 333 return(-1); /* complex root! The LPC generator handed us a bad filter */ 404 /* Convert lpc coefficients to lsp coefficients */ 405 int vorbis_lpc_to_lsp(float *lpc,float *lsp,int m){ 424 for(i=1;i<=g1_order;i++) g1[g1_order-i] = lpc[i-1]+lpc[m-i]; 426 for(i=1;i<=g2_order;i++) g2[g2_order-i] = lpc[i-1]-lpc[m-i];
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block.c | 30 #include "lpc.h" 418 float *lpc=alloca(order*sizeof(*lpc)); local 430 vorbis_lpc_from_data(work,lpc,v->pcm_current-v->centerW,order); 444 vorbis_lpc_predict(lpc,work+v->pcm_current-v->centerW-order, 466 float *lpc=alloca(order*sizeof(*lpc)); local 484 /* extrapolate with LPC to fill in */ 490 vorbis_lpc_from_data(v->pcm[i]+v->eofflag-n,lpc,n,order); 493 vorbis_lpc_predict(lpc,v->pcm[i]+v->eofflag-order,order [all...] |
/external/speex/libspeex/ |
lpc.c | 56 #include "lpc.h" 62 /* LPC analysis 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])); 101 /* Update LPC coefficients and total error */ 102 lpc[i] = r; 105 spx_word16_t tmp = lpc[j]; 106 lpc[j] = MAC16_16_P13(lpc[j],r,lpc[i-1-j]) [all...] |
lpc.h | 3 @file lpc.h 4 @brief Functions for LPC (Linear Prediction Coefficients) analysis 47 spx_coef_t * lpc, /* [0...p-1] LPC coefficients */
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nb_celp.c | 38 #include "lpc.h" 266 VARDECL(spx_coef_t *lpc); 284 ALLOC(lpc, st->lpcSize, spx_coef_t); 320 _spx_lpc(lpc, autocorr, st->lpcSize); 321 /* LPC to LSPs (x-domain) transform */ 322 roots=lpc_to_lsp (lpc, st->lpcSize, lsp, 10, LSP_DELTA1, stack); 1208 bw_lpc(QCONST16(0.93f,15), st->interp_qlpc, lpc, st->lpcSize); local [all...] |
sb_celp.c | 39 #include "lpc.h" 322 VARDECL(spx_coef_t *lpc); 373 ALLOC(lpc, st->lpcSize, spx_coef_t); 407 _spx_lpc(lpc, autocorr, st->lpcSize); 410 /* LPC to LSPs (x-domain) transform */ 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); 1004 /* LSP to LPC */ [all...] |
/frameworks/av/media/libstagefright/codecs/amrnb/enc/src/ |
lpc.h | 34 Filename: /audio/gsm_amr/c/src/include/lpc.h 50 File : lpc.h 116 be passed to lpc in each call. 129 void lpc(
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lpc.cpp | 34 Pathname: ./audio/gsm-amr/c/src/lpc.c 58 #include "lpc.h" 117 This function initializes the state data for the LPC module. 127 lpc.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 240 This function resets the state data for the LPC module. 250 lpc.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 324 This function frees the state data for the LPC module. 334 lpc.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001 391 FUNCTION NAME: lpc 417 This function executes the LPC functionality for GSM AMR 487 void lpc( function [all...] |
cod_amr.cpp | 90 #include "lpc.h" 383 st->p_window = st->old_speech + L_TOTAL - L_WINDOW; // For LPC window 384 st->p_window_12k2 = st->p_window - L_NEXT; // EFR LPC window: no lookahead 412 // Reset lpc states 481 st->p_window = st->old_speech + L_TOTAL - L_WINDOW; /* For LPC window */ 482 st->p_window_12k2 = st->p_window - L_NEXT; /* EFR LPC window: no lookahead */ 513 /* Reset lpc states */ 821 // LPC coefficients 834 Word16 res[L_SUBFR]; // Short term (LPC) prediction residual 860 Word16 lsp_flag = 0; // indicates resonance in LPC filte [all...] |
/external/flac/libFLAC/ |
Android.mk | 13 lpc.c \
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lpc.c | 40 #include "private/lpc.h" 115 FLAC__double r, err, ref[FLAC__MAX_LPC_ORDER], lpc[FLAC__MAX_LPC_ORDER]; local 128 r -= lpc[j] * autoc[i-j]; 131 /* Update LPC coefficients and total error. */ 132 lpc[i]=r; 134 FLAC__double tmp = lpc[j]; 135 lpc[j] += r * lpc[i-1-j]; 136 lpc[i-1-j] += r * tmp; 139 lpc[j] += lpc[j] * r [all...] |
stream_encoder.c | 65 #include "private/lpc.h" 383 FLAC__bool use_wide_by_order; /* use slow 64-bit versions of some functions because of the lpc order */ [all...] |
/external/libgsm/ |
Android.mk | 30 src/lpc.c \
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/external/libvorbis/ |
Android.mk | 18 lib/lpc.c \
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/external/libvorbis/symbian/ |
vorbis.mmp | 39 SOURCE lookup.c lpc.c lsp.c mapping0.c mdct.c psy.c registry.c res0.c sharedbook.c
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/frameworks/base/telephony/java/com/android/internal/telephony/ |
GsmAlphabet.java | [all...] |
/frameworks/av/media/libstagefright/codecs/amrnb/enc/ |
Android.mk | 42 src/lpc.cpp \
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/external/flac/include/FLAC/ |
format.h | 129 /** The maximum LPC order permitted by the format. */ 132 /** The maximum LPC order permitted by the FLAC subset for sample rates 312 /** LPC subframe. (c.f. <A HREF="../format.html#subframe_lpc">format specification</A>) 348 FLAC__Subframe_LPC lpc; member in union:__anon8078::__anon8079 [all...] |
/external/quake/quake/src/WinQuake/ |
mplpc.cpp | 28 //#include "lpc.h"
30 short version; // version of LPC requested
37 short version; // LPC version
369 SetLPCData(LPCData *lpc)
372 FARPOKL(&(lpc->version), 1);
373 FARPOKL(&(lpc->sizeOfArgs), 0);
374 FARPOKL(&(lpc->service), 0);
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/external/flac/libFLAC/ppc/as/ |
lpc_asm.s | 45 ; see src/libFLAC/lpc.c:FLAC__lpc_restore_signal()
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/external/flac/libFLAC/ppc/gas/ |
lpc_asm.s | 47 # see src/libFLAC/lpc.c:FLAC__lpc_restore_signal()
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