Home
last modified time | relevance | path

Searched refs:ATH (Results 1 - 9 of 9) sorted by relevance

/third_party/lame/libmp3lame/
H A Dencoder.c49 * auto-adjust of ATH, useful for low volume
53 * gfp->internal_flags->ATH
54 * (gfc->ATH)
62 if (gfc->ATH->use_adjust == 0) { in adjust_ATH()
63 gfc->ATH->adjust_factor = 1.0; /* no adjustment */ in adjust_ATH()
86 /* user tuning of ATH adjustment region */ in adjust_ATH()
87 max_pow *= gfc->ATH->aa_sensitivity_p; in adjust_ATH()
89 /* adjust ATH depending on range of maximum value in adjust_ATH()
96 /* set ATH adjust to adjust_limit immediately */ in adjust_ATH()
98 /* For a loudness decrease, reduce ATH adjus in adjust_ATH()
[all...]
H A Dquantize_pvt.c183 compute the ATH for each scalefactor band
186 Input: 3.3kHz signal 32767 amplitude (3.3kHz is where ATH is smallest = -5db)
203 in sfb=12 = -11 - 96 = -107db = ATH at 3.3kHz.
205 ATH formula for this wave: -5db. To adjust to LAME scaling, we need
206 ATH = ATH_formula - 103 (db)
207 ATH = ATH * 2.5e-10 (ener)
226 /* modify the MDCT scaling for the ATH and convert to energy */ in ATHmdct()
235 FLOAT *const ATH_l = gfc->ATH->l; in compute_ath()
236 FLOAT *const ATH_psfb21 = gfc->ATH in compute_ath()
596 ATH_t const *const ATH = gfc->ATH; calc_xmin() local
[all...]
H A Dpsymodel.c211 ATH, that is shaped for the threshold). A flexible realization might
212 simply bend the existing ATH curve to achieve the desired shape.
751 * compute loudness approximation (used for ATH auto-level adjustment)
760 psv->loudness_sq_save[chn] = psycho_loudness_approx(fftenergy, gfc->ATH->eql_w); in vbrpsy_compute_loudness_approximation_l()
1436 (cfg->msfix > 0.f) ? (cfg->ATH_offset_factor * gfc->ATH->adjust_factor) : 1.f; in L3psycho_anal_vbr()
1470 vbrpsy_compute_MS_thresholds(const_eb, thr, gdl->mld_cb, gfc->ATH->cb_l, in L3psycho_anal_vbr()
1474 /* TODO: apply adaptive ATH masking here ?? */ in L3psycho_anal_vbr()
1499 vbrpsy_compute_MS_thresholds(const_eb, thr, gds->mld_cb, gfc->ATH->cb_s, in L3psycho_anal_vbr()
1503 /* TODO: apply adaptive ATH masking here ?? */ in L3psycho_anal_vbr()
1957 /* compute long block specific values, ATH an in psymodel_init()
[all...]
H A Dquantize.c162 ATH_t const *const ATH = gfc->ATH; in psfb21_analogsilence() local
173 ath21 = athAdjust(ATH->adjust_factor, ATH->psfb21[gsfb], ATH->floor, 0); in psfb21_analogsilence()
203 ath12 = athAdjust(ATH->adjust_factor, ATH->psfb12[gsfb], ATH->floor, 0); in psfb21_analogsilence()
1378 * - quality control together with adjusted ATH MDCT scaling
1380 * ATH maskin
[all...]
H A Dlame.c1132 /* automatic ATH adjustment on in lame_init_params()
1135 gfc->ATH->use_adjust = 3; in lame_init_params()
1137 gfc->ATH->use_adjust = gfp->athaa_type; in lame_init_params()
1140 /* initialize internal adaptive ATH settings -jd */ in lame_init_params()
1141 gfc->ATH->aa_sensitivity_p = pow(10.0, gfp->athaa_sensitivity / -10.0); in lame_init_params()
1533 /* everything controlling psychoacoustic settings, like ATH, etc. in lame_print_internals()
1576 MSGF(gfc, "\t ^ adjust type: %d\n", gfc->ATH->use_adjust); in lame_print_internals()
1577 MSGF(gfc, "\t ^ adjust sensitivity power: %f\n", gfc->ATH->aa_sensitivity_p); in lame_print_internals()
2384 gfc->ATH = lame_calloc(ATH_t, 1); in lame_init_internal_flags()
2385 if (NULL == gfc->ATH) in lame_init_internal_flags()
[all...]
H A Dutil.c142 if (gfc->ATH) { in freegfc()
143 free(gfc->ATH); in freegfc()
202 /*those ATH formulas are returning
218 We measured real ATH values, and found the older formula in ATHformula_GB()
H A Dutil.h166 * ATH related stuff, if something new ATH related has to be added,
175 FLOAT adjust_limit; /* limit for dynamic ATH adjust */
177 FLOAT floor; /* lowest ATH value */
178 FLOAT l[SBMAX_l]; /* ATH for sfbs in long blocks */
179 FLOAT s[SBMAX_s]; /* ATH for sfbs in short blocks */
180 FLOAT psfb21[PSFB21]; /* ATH for partitionned sfb21 in long blocks */
181 FLOAT psfb12[PSFB12]; /* ATH for partitionned sfb12 in short blocks */
182 FLOAT cb_l[CBANDS]; /* ATH for long block convolution bands */
183 FLOAT cb_s[CBANDS]; /* ATH fo
530 ATH_t *ATH; /* all ATH related stuff */ global() member
[all...]
/third_party/lame/misc/
H A Dath.c12 * - finer precalculated ATH for pre-emphasis
424 double ATH ( double freq ) in ATH() function
591 level = 20. * log10 (amplitude (a) * ATH (freq) ) + 80.; in report()
655 ampl = iterate_amplifier (a) * ATH (frequency (g)); in experiment()
703 if ( amplitude (a) * ATH (frequency (g)) <= 3.16227766e-6 ) { in experiment()
/third_party/skia/third_party/externals/sfntly/java/src/com/google/typography/font/sfntly/table/opentype/
H A DLanguageTag.java28 ATH("Athapaskan", enum constant

Completed in 14 milliseconds