| /frameworks/av/media/libstagefright/codecs/amrnb/enc/src/ |
| 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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| /external/flac/libFLAC/ |
| 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
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| /external/speex/libspeex/ |
| 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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| /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:__anon6430::__anon6431
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