| /external/aac/libAACenc/src/ |
| tonality.h | 100 void FDKaacEnc_CalculateFullTonality( FIXP_DBL *RESTRICT spectrum,
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| tonality.cpp | 96 static void FDKaacEnc_CalcSfbTonality(FIXP_DBL *RESTRICT spectrum,
105 void FDKaacEnc_CalculateFullTonality(FIXP_DBL *RESTRICT spectrum,
128 FDKaacEnc_CalculateChaosMeasure(spectrum,
138 FDKaacEnc_CalcSfbTonality(spectrum,
161 static void FDKaacEnc_CalcSfbTonality(FIXP_DBL *RESTRICT spectrum,
179 FIXP_DBL tmp = (*spectrum++)<<shiftBits;
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| tns_func.h | 115 FIXP_DBL *spectrum,
138 FIXP_DBL* spectrum,
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| aacenc_tns.cpp | 464 Scales up spectrum lines in a given frequency section
466 \param scaled spectrum
467 \param original spectrum
485 /* Get highest value in given spectrum */
491 /* Scale spectrum according to highest value */
505 \param pointer to spectrum
513 const FIXP_DBL *spectrum,
525 result += (fPow2(spectrum[i])>>scale);
530 result += (fMult(spectrum[i], spectrum[i+lag])>>scale)
[all...] |
| /cts/suite/audio_quality/test_description/processing/ |
| check_spectrum_playback.py | 36 # calculated freq spectrum in amplittude
54 spectrum = np.sqrt(abs(Phh[iLow:iHigh]))
55 spectrumMean = np.mean(spectrum)
56 spectrum = spectrum / spectrumMean
58 print "Normalized spectrum", spectrum
59 positiveMax = abs(max(spectrum))
60 negativeMin = abs(min(spectrum))
63 spectrumResult = np.zeros(len(spectrum), dtype=np.int16
[all...] |
| /external/aac/libFDK/include/ |
| mdct.h | 146 * \param spectrum pointer to where the resulting MDCT spectrum will be stored into.
157 FIXP_DBL *spectrum,
216 * \param spectrum pointer to the input MDCT spectra.
217 * \param scalefactors scale shift values of the input spectrum.
231 FIXP_DBL *spectrum,
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| /frameworks/av/media/libstagefright/codecs/aacenc/inc/ |
| tns_func.h | 49 Word32* spectrum,
65 Word32* spectrum,
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| /external/webrtc/webrtc/modules/audio_processing/utility/ |
| delay_estimator_wrapper.c | 50 // Computes the binary spectrum by comparing the input |spectrum| with a
54 // - spectrum : Spectrum of which the binary spectrum should be
56 // - threshold_spectrum : Threshold spectrum with which the input
57 // spectrum is compared.
59 // - out : Binary spectrum.
61 static uint32_t BinarySpectrumFix(const uint16_t* spectrum,
71 // Set the |threshold_spectrum| to half the input |spectrum| as startin
[all...] |
| /external/aac/libAACdec/src/ |
| aacdec_pns.cpp | 348 FIXP_DBL *spectrum = SPEC(pSpectrum, window, granuleLength); local
361 noise_e = GenerateRandomVector (spectrum + BandOffsets [band], bandWidth,
368 noise_e = GenerateRandomVector (spectrum + BandOffsets [band], bandWidth,
374 ScaleBand (spectrum + BandOffsets [band], bandWidth,
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| conceal.cpp | 185 FIXP_DBL *spectrum,
194 FIXP_DBL *spectrum,
933 pConcealmentInfo->windowSequence = pIcsInfo->WindowSequence; /* Store for next frame (spectrum in concealment buffer can't be used at all) */
[all...] |
| block.cpp | 377 * formula: spectrum[i] = Sign(spectrum[i]) * Matissa(spectrum[i])^(4/3) * 2^(lsb/4).
378 * \param spectrum pointer to first line of the sfb to be inverse quantized.
384 void InverseQuantizeBand( FIXP_DBL * RESTRICT spectrum,
393 FIXP_DBL *ptr = spectrum;
518 FDKmemclear(pSpectralCoefficient, sizeof(SPECTRUM));
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| /external/aac/libFDK/src/ |
| mdct.cpp | 251 FIXP_DBL *spectrum,
302 /* Current spectrum */
303 pSpec = spectrum+w*tl;
305 /* DCT IV of current spectrum. */
308 /* Optional scaling of time domain - no yet windowed - of current spectrum */
309 /* and de-scale current spectrum signal (time domain, no yet windowed) */
380 pOvl[i] = spectrum[i+(nSpec-1)*tl];
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| /frameworks/av/media/libstagefright/codecs/aacenc/src/ |
| tns.c | 57 static void CalcWeightedSpectrum(const Word32 spectrum[],
272 Word32* spectrum, /*!< spectral data */
285 CalcWeightedSpectrum(spectrum,
398 Word32* spectrum, /*!< spectral data (modified) */
445 AnalysisFilterLattice(&(spectrum[tC.tnsStartLine]),
449 &(spectrum[tC.tnsStartLine]));
486 AnalysisFilterLattice(&(spectrum[tC.tnsStartLine]), (tC.tnsStopLine - tC.tnsStartLine),
489 &(spectrum[tC.tnsStartLine]));
501 * description: Calculate weighted spectrum for LPC calculation
504 static void CalcWeightedSpectrum(const Word32 spectrum[], /*!< input spectrum *
[all...] |
| /external/skia/gm/ |
| all_bitmap_configs.cpp | 41 uint8_t spectrum[256]; local
43 spectrum[y] = y;
47 memcpy(bm.getAddr8(0, y), &spectrum[y], 128);
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| /external/libvorbis/doc/ |
| 01-introduction.tex | 190 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
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| 04-codec.tex | 538 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
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| 08-residue.tex | 8 A residue vector represents the fine detail of the audio spectrum of
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