Searched defs:HF (Results 1 - 2 of 2) sorted by relevance

/frameworks/av/media/libstagefright/codecs/amrwb/src/
H A Dsynthesis_amr_wb.cpp63 Synthesis of signal at 16kHz with HF extension
165 int16 *HF = &synth[L_SUBFR]; local
166 int16 *Ap = &HF[L_SUBFR16k]; /* High Frequency vector */
214 * HF noise synthesis
215 * - Generate HF noise between 5.5 and 7.5 kHz.
223 pt_tmp = HF;
255 tmp = extract_h(Dot_product12(HF, HF, L_SUBFR16k, &exp));
271 pt_tmp = HF;
344 /* HF correctio
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/frameworks/av/media/libstagefright/codecs/amrwbenc/src/
H A DvoAMRWBEnc.c356 * Preemphesis scale down signal in low frequency and keep dynamic in HF.*
1325 * Synthesis of signal at 16kHz with HF extension. *
1343 Word16 HF[L_SUBFR16k]; /* High Frequency vector */ local
1388 * HF noise synthesis *
1390 * - Generate HF noise between 5.5 and 7.5 kHz. *
1399 HF[i] = Random(&(st->seed2))>>3;
1415 tmp = extract_h(Dot_product12_asm(HF, HF, L_SUBFR16k, &exp));
1417 tmp = extract_h(Dot_product12(HF, HF, L_SUBFR16
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