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Searched refs:spectrum (Results 1 – 18 of 18) sorted by relevance

/external/webrtc/src/modules/audio_processing/utility/
Ddelay_estimator_wrapper.c78 static uint32_t BinarySpectrumFix(uint16_t* spectrum, in BinarySpectrumFix() argument
91 if (spectrum[i] > 0) { in BinarySpectrumFix()
93 int32_t spectrum_q15 = ((int32_t) spectrum[i]) << (15 - q_domain); in BinarySpectrumFix()
101 int32_t spectrum_q15 = ((int32_t) spectrum[i]) << (15 - q_domain); in BinarySpectrumFix()
113 static uint32_t BinarySpectrumFloat(float* spectrum, in BinarySpectrumFloat() argument
124 if (spectrum[i] > 0.0f) { in BinarySpectrumFloat()
125 threshold_spectrum[i].float_ = (spectrum[i] / 2); in BinarySpectrumFloat()
133 MeanEstimatorFloat(spectrum[i], kScale, &(threshold_spectrum[i].float_)); in BinarySpectrumFloat()
135 if (spectrum[i] > threshold_spectrum[i].float_) { in BinarySpectrumFloat()
/external/aac/libAACenc/src/
Dtonality.cpp96 static void FDKaacEnc_CalcSfbTonality(FIXP_DBL *RESTRICT spectrum,
105 void FDKaacEnc_CalculateFullTonality(FIXP_DBL *RESTRICT spectrum, in FDKaacEnc_CalculateFullTonality() argument
128 FDKaacEnc_CalculateChaosMeasure(spectrum, in FDKaacEnc_CalculateFullTonality()
138 FDKaacEnc_CalcSfbTonality(spectrum, in FDKaacEnc_CalculateFullTonality()
161 static void FDKaacEnc_CalcSfbTonality(FIXP_DBL *RESTRICT spectrum, in FDKaacEnc_CalcSfbTonality() argument
179 FIXP_DBL tmp = (*spectrum++)<<shiftBits; in FDKaacEnc_CalcSfbTonality()
Dtns_func.h114 FIXP_DBL *spectrum,
137 FIXP_DBL* spectrum,
Daacenc_tns.cpp543 const FIXP_DBL *spectrum, in FDKaacEnc_CalcAutoCorrValue() argument
555 result += (fPow2(spectrum[i])>>scale); in FDKaacEnc_CalcAutoCorrValue()
560 result += (fMult(spectrum[i], spectrum[i+lag])>>scale); in FDKaacEnc_CalcAutoCorrValue()
616 const FIXP_DBL *spectrum, in FDKaacEnc_MergedAutoCorrelation() argument
658 INT sc1 = FDKaacEnc_ScaleUpSpectrum(pSpectrum, spectrum, idx0, idx1); in FDKaacEnc_MergedAutoCorrelation()
659 INT sc2 = FDKaacEnc_ScaleUpSpectrum(pSpectrum, spectrum, idx1, idx2); in FDKaacEnc_MergedAutoCorrelation()
660 INT sc3 = FDKaacEnc_ScaleUpSpectrum(pSpectrum, spectrum, idx2, idx3); in FDKaacEnc_MergedAutoCorrelation()
661 INT sc4 = FDKaacEnc_ScaleUpSpectrum(pSpectrum, spectrum, idx3, idx4); in FDKaacEnc_MergedAutoCorrelation()
748 FIXP_DBL *spectrum, in FDKaacEnc_TnsDetect() argument
781 spectrum, in FDKaacEnc_TnsDetect()
[all …]
Dtonality.h100 void FDKaacEnc_CalculateFullTonality( FIXP_DBL *RESTRICT spectrum,
/external/aac/libAACdec/src/
Daacdec_pns.cpp348 FIXP_DBL *spectrum = SPEC(pSpectrum, window, granuleLength); in CPns_Apply() local
361 noise_e = GenerateRandomVector (spectrum + BandOffsets [band], bandWidth, in CPns_Apply()
368 noise_e = GenerateRandomVector (spectrum + BandOffsets [band], bandWidth, in CPns_Apply()
374 ScaleBand (spectrum + BandOffsets [band], bandWidth, in CPns_Apply()
Dconceal.cpp185 FIXP_DBL *spectrum,
194 FIXP_DBL *spectrum,
1312 FIXP_DBL *spectrum, in CConcealment_CalcBandEnergy() argument
1341 enAccu += fPow2Div2(*(spectrum + line)) >> sfbScale; in CConcealment_CalcBandEnergy()
1356 enAccu += (enAccu + (fPow2Div2(*(spectrum + line)) >> sfbScale)) >> 3; in CConcealment_CalcBandEnergy()
1375 enAccu += fPow2Div2(*(spectrum + line)) >> sfbScale; in CConcealment_CalcBandEnergy()
1390 enAccu += fPow2Div2(*(spectrum + (line >> 3))) >> sfbScale; in CConcealment_CalcBandEnergy()
1410 FIXP_DBL *spectrum, in CConcealment_InterpolateBuffer() argument
1432 accu = fMult(*(spectrum+line), facMod4Table[fac_mod]); in CConcealment_InterpolateBuffer()
1438 *(spectrum+line) = accu; in CConcealment_InterpolateBuffer()
Dblock.cpp385 void InverseQuantizeBand( FIXP_DBL * RESTRICT spectrum, in InverseQuantizeBand() argument
394 FIXP_DBL *ptr = spectrum; in InverseQuantizeBand()
/external/aac/libFDK/include/
Dmdct.h157 FIXP_DBL *spectrum,
231 FIXP_DBL *spectrum,
/external/skia/gm/
Dall_bitmap_configs.cpp41 uint8_t spectrum[256]; in make_bitmap() local
43 spectrum[y] = y; in make_bitmap()
47 memcpy(bm.getAddr8(0, y), &spectrum[y], 128); in make_bitmap()
/external/aac/libFDK/src/
Dmdct.cpp251 FIXP_DBL *spectrum, in imdct_block() argument
303 pSpec = spectrum+w*tl; in imdct_block()
380 pOvl[i] = spectrum[i+(nSpec-1)*tl]; in imdct_block()
/external/eigen/unsupported/Eigen/
DFFT40 * half-spectrum for real FFT.
57 * 2) Real FFT half-spectrum
58 * Other libraries use only half the frequency spectrum (plus one extra
64 * How Eigen/FFT differs: The full spectrum is returned from the forward
67 * transform, only half the spectrum is actually used if the output type is real.
392 // create the implicit right-half spectrum (conjugate-mirror of the left-half)
/external/libvorbis/doc/
D01-introduction.tex190 Therefore it would be wasteful to encode a full-spectrum version of it
202 vector is a low-resolution representation of the audio spectrum for
231 The spectral residue is the fine structure of the audio spectrum
301 \item compute dot product of floor and residue, producing audio spectrum vector
302 \item inverse monolithic transform of audio spectrum vector, always an MDCT in Vorbis I
451 producing the finished audio spectrum of each channel.
463 the audio spectrum vector should represent a minimum of 120dB (\~{}21
481 The audio spectrum is converted back into time domain PCM audio via an
D04-codec.tex538 vectors are the length \varname{[n]}/2 audio spectrum for each
551 the audio spectrum vector should represent a minimum of 120dB (\~21
569 Convert the audio spectrum vector of each channel back into time
D08-residue.tex8 A residue vector represents the fine detail of the audio spectrum of
/external/srtp/doc/
Drfc3711.txt1756 may result in a significant decrease in spectrum efficiency
1758 compression techniques to improve spectrum efficiency
/external/jpeg/
Dinstall.doc287 other end of the spectrum, for MS-DOS machines you probably can't go much
/external/icu/icu4j/main/shared/data/
DTransliterator_Han_Latin_Definition.txt5963 暗線光譜 < dark\-line\-spectrum;
14697 光譜 < spectrum;
22585 暗線光譜 > dark\-line\-spectrum;
31079 光譜 > spectrum;
31571 波譜 > spectrum;