| /external/speex/libspeex/ |
| quant_lsp.h | 4 @brief LSP vector quantization
57 void lsp_quant_nb(spx_lsp_t *lsp, spx_lsp_t *qlsp, int order, SpeexBits *bits);
60 void lsp_unquant_nb(spx_lsp_t *lsp, int order, SpeexBits *bits);
63 void lsp_quant_lbr(spx_lsp_t *lsp, spx_lsp_t *qlsp, int order, SpeexBits *bits);
66 void lsp_unquant_lbr(spx_lsp_t *lsp, int order, SpeexBits *bits);
69 void lsp_quant_high(spx_lsp_t *lsp, spx_lsp_t *qlsp, int order, SpeexBits *bits);
72 void lsp_unquant_high(spx_lsp_t *lsp, int order, SpeexBits *bits);
|
| quant_lsp.c | 3 LSP vector quantization
159 void lsp_quant_nb(spx_lsp_t *lsp, spx_lsp_t *qlsp, int order, SpeexBits *bits)
166 qlsp[i]=lsp[i];
210 qlsp[i]=lsp[i]-qlsp[i];
213 void lsp_unquant_nb(spx_lsp_t *lsp, int order, SpeexBits *bits)
217 lsp[i]=LSP_LINEAR(i);
222 lsp[i] = ADD32(lsp[i], LSP_DIV_256(cdbk_nb[id*10+i]));
226 lsp[i] = ADD16(lsp[i], LSP_DIV_512(cdbk_nb_low1[id*5+i]))
[all...] |
| lsp.h | 12 Coefficients (LPC) to Line Spectral Pair (LSP) and back. Note that the
13 LSP coefficients are not in radians format but in the x domain of the
18 @file lsp.h
19 @brief Line Spectral Pair (LSP) functions.
60 void lsp_enforce_margin(spx_lsp_t *lsp, int len, spx_word16_t margin);
|
| lsp.c | 3 FILE........: lsp.c
11 Coefficients (LPC) to Line Spectral Pair (LSP) and back. Note that the
12 LSP coefficients are not in radians format but in the x domain of the
70 LSP frequencies is basically finding the roots of 5th order
87 #include "lsp.h"
207 This function converts LPC coefficients to LSP
222 /* float *freq LSP frequencies in the x domain */
397 Converts LSP coefficients to LPC coefficients.
404 /* float *freq array of LSP frequencies in the x domain */
421 in form 1 - 2cos(w)z(-1) + z(-2), where w is the LSP frequency
[all...] |
| /frameworks/base/media/libstagefright/codecs/amrnb/common/src/ |
| lsp_az.cpp | 91 This file contains functions that convert line spectral pairs (LSP) to
94 F1(z) and F2(z), and Lsp_Az, which converts LSP to LPC by multiplying
135 lsp = pointer to the buffer containing the line spectral pairs (LSP)
160 This function finds the polynomial F1(z) or F2(z) from the LSPs. If the LSP
166 F1(z) = product ( 1 - 2 lsp[i] z^-1 + z^-2 )
168 F2(z) = product ( 1 - 2 lsp[i] z^-1 + z^-2 )
171 where lsp[] is the LSP vector in the cosine domain.
176 b = -2.0 * lsp[0
[all...] |
| int_lpc.cpp | 99 lsp_old -- array of type Word16 -- LSP vector at the
101 lsp_mid -- array of type Word16 -- LSP vector at the 2nd subfr. of
103 lsp_new -- array of type Word16 -- LSP vector at the 4th subfr. of
175 Word16 lsp_old[], /* i : LSP vector at the 4th subfr. of past frame (M) */
176 Word16 lsp_mid[], /* i : LSP vector at the 2nd subfr. of
178 Word16 lsp_new[], /* i : LSP vector at the 4th subfr. of
186 Word16 lsp[M]; local
190 Word16 *p_lsp = &lsp[0];
192 /* lsp[i] = lsp_mid[i] * 0.5 + lsp_old[i] * 0.5 */
201 lsp,
323 Word16 lsp[M]; local
446 Word16 lsp[M]; local
582 Word16 lsp[M]; local
[all...] |
| lsp_lsf.cpp | 71 This file contains the functions that convert line spectral pairs (LSP) to
129 lsp = buffer containing line spectral pairs; valid range is between
134 lsp contains the newly calculated line spectral pairs
148 This function performs the LSF to LSP transformation using the equation:
150 lsf[i] = arccos(lsp[i])/(2*pi)
152 The transformation from lsp[i] to lsf[i] is approximated by a look-up table
170 Word16 lsp[], // (o) : lsp[m] (range: -1<=val<1)
182 // lsp[i] = table[ind]+ ((table[ind+1]-table[ind])*offset) / 256
185 lsp[i] = add (table[ind], extract_l (L_shr (L_tmp, 9)))
[all...] |
| az_lsp.cpp | 331 lsp = line spectral pairs (Word16)
381 Word16 lsp[], // (o) : line spectral pairs (M)
382 Word16 old_lsp[] // (i) : old lsp[] (in case not found 10 roots) (M)
505 lsp[nf] = xint;
530 lsp[i] = old_lsp[i];
562 Word16 lsp[], /* (o) : line spectral pairs (M) */
563 Word16 old_lsp[], /* (i) : old lsp[] (in case not found 10 roots) (M) */
700 *(lsp + nf) = xint;
726 *lsp++ = *old_lsp++;
727 *lsp++ = *old_lsp++
[all...] |
| lsp.cpp | 30 Pathname: ./audio/gsm-amr/c/src/lsp.c
42 Description: For lsp_reset() and lsp()
70 #include "lsp.h"
124 Initializes lsp state data.
134 lsp.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001
235 lsp.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001
324 lsp.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 2001
371 FUNCTION NAME: lsp
385 lsp_new = array of type Word16 -- new lsp vector
412 lsp.c, UMTS GSM AMR speech codec, R99 - Version 3.2.0, March 2, 200
440 void lsp(lspState *st, \/* i\/o : State struct *\/ function
[all...] |
| /frameworks/base/media/libstagefright/codecs/amrnb/common/include/ |
| lsp_az.h | 99 Word16 lsp[], /* (i) : line spectral frequencies */
|
| lsp_lsf.h | 102 Word16 lsp[], /* (o) : lsp[m] (range: -1<=val<1) */
107 Word16 lsp[], /* (i) : lsp[m] (range: -1<=val<1) */
|
| az_lsp.h | 106 Word16 lsp[], /* (o) : line spectral pairs (M) */
107 Word16 old_lsp[], /* (i) : old lsp[] (in case not found 10 roots) (M) */
|
| lsp.h | 31 Filename: /audio/gsm_amr/c/include/lsp.h
50 needed by the lsp.c
122 * pointer has to be passed to lsp in each call.
154 * Function : lsp
167 void lsp(lspState *st, /* i/o : State struct */
172 Word16 lsp_new[], /* o : new lsp vector */
|
| /frameworks/base/media/libstagefright/codecs/amrnb/dec/src/ |
| lsp_avg.h | 124 Word16 *lsp, /* i : LSP vector Q15 */
|
| lsp_avg.cpp | 74 LSP averaging and history
213 lsp = pointer to Word16, which reflects the state of the state machine
248 Word16 *lsp // i : state of the state machine Q15
261 L_tmp = L_mac(L_tmp, EXPCONST, lsp[i]);
295 Word16 *lsp, /* i : state of the state machine Q15 */
310 L_tmp = L_mac(L_tmp, EXPCONST, lsp[i], pOverflow);
|
| c_g_aver.h | 145 Word16 lsp[], /* i : The LSP for the current frame Q15 */
146 Word16 lspAver[], /* i : The average of LSP for 8 frames Q15 */
|
| dtx_dec.cpp | 96 * Scaling factors for the lsp variability operation *
187 // Initialize state->lsp [] and state->lsp_old []
188 Copy(lsp_init_data, &st->lsp[0], M);
266 /* Initialize state->lsp [] */
267 st->lsp[0] = 30000;
268 st->lsp[1] = 26000;
269 st->lsp[2] = 21000;
270 st->lsp[3] = 15000;
271 st->lsp[4] = 8000;
272 st->lsp[5] = 0
[all...] |
| dtx_dec.h | 113 Word16 lsp[M]; member in struct:__anon9181
|
| c_g_aver.cpp | 224 lsp = the LSP for the current frame (Word16)
225 lspAver = the average of LSP for 8 frames (Word16)
268 Word16 lsp[], // i : The LSP for the current frame Q15
269 Word16 lspAver[], // i : The average of LSP for 8 frames Q15
301 // compute lsp difference
303 tmp1 = abs_s(sub(lspAver[i], lsp[i])); // Q15
467 Word16 lsp[], /* i : The LSP for the current frame Q15 *
[all...] |
| /frameworks/base/media/libstagefright/codecs/amrnb/enc/src/ |
| ton_stab.cpp | 403 lsp = pointer to unquantized LSPs of type Word16
421 Purpose: Check the LSP's to detect resonances
437 Word16 *lsp // i : unquantized LSP's
443 // Find minimum distance between lsp[i] and lsp[i+1]
448 dist = sub(lsp[i], lsp[i+1]);
459 dist = sub(lsp[i], lsp[i+1])
[all...] |
| ton_stab.h | 130 Word16 *lsp, /* i : unquantized LSP's */
|
| dtx_enc.cpp | 283 lsp_init_data = table containing LSP initialization values;
542 Word16 lsp[M];
558 // average energy and lsp
574 lsp[j] = extract_l(L_shr(L_lsp[j], 3)); // divide by 8
620 // make sure that LSP's are ordered
621 Lsp_lsf(lsp, lsf, M);
623 Lsf_lsp(lsf, lsp, M);
625 // Quantize lsp and put on parameter list
626 Q_plsf_3(qSt, MRDTX, lsp, lsp_q, st->lsp_index,
678 Word16 lsp[M] local
[all...] |
| /external/libgsm/src/ |
| preprocess.c | 49 word msp, lsp; local
92 lsp = L_z2-((longword)msp<<15); /* gsm_L_sub(L_z2,(msp<<15)); */
94 L_s2 += GSM_MULT_R( lsp, 32735 );
|
| /external/tremolo/Tremolo/ |
| floor0.c | 51 /*************** LSP decode ********************/
146 ogg_int32_t *lsp,int m,
179 /* lsp is in 8.24, range 0 to PI; coslook wants it in .16 0 to 1*/
182 ogg_int32_t val=MULT32(lsp[i],0x517cc2);
184 ogg_int32_t val=((lsp[i]>>10)*0x517d)>>14;
401 ogg_int32_t *lsp){
417 if(vorbis_book_decodev_set(b,lsp+j,&vd->opb,b->dim,-24)==-1)goto eop;
419 for(k=0;k<b->dim;k++,j++)lsp[j]+=last;
420 last=lsp[j-1];
423 lsp[info->order]=amp
[all...] |
| /frameworks/base/media/libstagefright/codecs/amrnb/common/ |
| Android.mk | 33 src/lsp.cpp \
|
