| /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])
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| 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
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| 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 */
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| /frameworks/base/media/libstagefright/codecs/aacdec/ |
| tns_ar_filter.h | 25 Description: Per request of JT, the lpc coefficients q-format will now
93 const Int32 lpc[],
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| tns_inv_filter.h | 25 Description: Per request of JT, the lpc coefficients q-format will now
89 const Int32 lpc[],
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| tns_ar_filter.cpp | 32 - Increased precision by using the Q format of the LPC coefficient.
33 - Modified interface to add LPC Q format and scratch memory
103 lpc = array of lpc coefficients, minus lpc[0] which is assumed to be "1"
108 Q_lpc = Q format for the lpc coeffcients (for max. precision, it assumes
140 LPC coefficients passed via (const Int lpc[])
143 y(n) = x(n) - lpc(2)*y(n-1) - ... - lpc(order+1)*y(n-order
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| tns_inv_filter.cpp | 27 Description: As requested by JT, the q-format for the LPC coefficients is
61 lpc = array of lpc coefficients.
65 lpc_qformat = The q-format of the lpc coefficients.
100 LPC coefficients passed via (const Int lpc[])
103 y(n) = x(n) + lpc(2)*x(n-1) + ... + lpc(order+1)*x(n-order)
180 pLPC = lpc;
300 const Int32 lpc[],
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| /frameworks/base/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
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| 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
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| /external/libgsm/ |
| Android.mk | 29 src/lpc.c \
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| /frameworks/base/telephony/java/com/android/internal/telephony/ |
| GsmAlphabet.java | 745 for (LanguagePairCount lpc : lpcList) {
746 int tableIndex = sCharsToGsmTables[lpc.languageCode].get(c, -1);
750 if (lpc.septetCounts[table] != -1) {
755 lpc.septetCounts[table]++;
756 lpc.unencodableCounts[table]++;
759 lpc.septetCounts[table] = -1;
763 lpc.septetCounts[table] += 2;
770 if (lpc.septetCounts[table] != -1) {
771 lpc.septetCounts[table]++;
783 for (LanguagePairCount lpc : lpcList)
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| /frameworks/base/media/libstagefright/codecs/amrnb/enc/ |
| Android.mk | 43 src/lpc.cpp \
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| /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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