| /cts/suite/audio_quality/test_description/processing/ |
| calc_thd.py | 19 import scipy.fftpack as fft namespace
25 fftData = abs(fft.fft(data * np.hanning(len(data))))
|
| gen_random.py | 20 import scipy.fftpack as fft namespace
34 fftData = fft.rfft(randomSignal)
47 filteredData = fft.irfft(fftData)
49 #plt.plot(freq, abs(fft.fft(filteredData)))
|
| check_spectrum.py | 20 import scipy.fftpack as fft namespace
40 # reduce FFT resolution to have averaging effects
|
| check_spectrum_playback.py | 20 import scipy.fftpack as fft namespace
39 # reduce FFT resolution to have averaging effects
|
| /external/eigen/bench/ |
| benchFFT.cpp | 17 #include <unsupported/Eigen/FFT>
51 FFT< Scalar > fft; local
54 fft.SetFlag(fft.Unscaled);
58 fft.SetFlag(fft.HalfSpectrum);
64 fft.fwd( outbuf , inbuf);
72 fft.fwd( outbuf , inbuf);
75 fft.inv(inbuf,outbuf)
[all...] |
| /external/eigen/unsupported/doc/examples/ |
| FFT.cpp | 1 // To use the simple FFT implementation
2 // g++ -o demofft -I.. -Wall -O3 FFT.cpp
5 // g++ -o demofft -I.. -DUSE_FFTW -Wall -O3 FFT.cpp -lfftw3 -lfftw3f -lfftw3l
17 #include <unsupported/Eigen/FFT>
82 static FFT<Scalar> fft; local
83 fft.fwd(freqbuf,timebuf);
86 fft.inv(timebuf2,freqbuf);
|
| /external/eigen/unsupported/test/ |
| FFTW.cpp | 11 #include <unsupported/Eigen/FFT>
83 typedef typename FFT<T>::Complex Complex;
84 typedef typename FFT<T>::Scalar Scalar;
88 FFT<T> fft; local
96 fft.SetFlag(fft.HalfSpectrum );
97 fft.fwd( freqBuf,tbuf);
101 fft.ClearFlag(fft.HalfSpectrum )
149 FFT<T> fft; local
220 FFT<float> fft; local
[all...] |
| /external/speex/libspeex/ |
| fftwrap.c | 104 speex_warning("FFT should not be done in-place");
120 speex_warning("FFT should not be done in-place");
175 fftwf_plan fft; member in struct:fftw_config
186 table->fft = fftwf_plan_dft_r2c_1d(size, table->in, (fftwf_complex *) table->out, FFTW_PATIENT);
196 fftwf_destroy_plan(t->fft);
215 fftwf_execute(t->fft);
306 #error No other FFT implemented
|
| /frameworks/av/media/libmedia/ |
| Visualizer.cpp | 281 status_t Visualizer::getFft(uint8_t *fft)
283 if (fft == NULL) {
295 status = doFft(fft, buf);
298 memset(fft, 0, mCaptureSize);
303 status_t Visualizer::doFft(uint8_t *fft, uint8_t *waveform)
321 fft[i] = tmp;
325 fft[i + 1] = tmp;
344 uint8_t fft[mCaptureSize]; local
346 status = doFft(fft, waveform);
360 fftPtr = fft;
[all...] |
| /external/chromium_org/third_party/WebKit/Source/core/platform/audio/ffmpeg/ |
| FFTFrameFFMPEG.cpp | 77 FFTContextProxy fft; member in struct:__anon12649::RDFTContextProxy
167 // This ensures the right scaling all the way back to inverse FFT.
208 // Scale so that a forward then inverse FFT yields exactly the original data.
|
| /external/libvorbis/lib/ |
| psytune.c | 329 float *fft=work[i]; local
335 /* fft and mdct transforms */
337 fft[j]=pcm[i][j]*=window[j];
339 drft_forward(&f_look,fft);
342 fft[0]*=scale;
343 fft[0]=todB(fft);
345 float temp=scale*FAST_HYPOT(fft[j],fft[j+1]);
346 temp=fft[(j+1)>>1]=todB(&temp)
361 float *fft=work[i]; local
[all...] |
| /external/aac/libFDK/src/ |
| FDK_hybrid.cpp | 94 #include "fft.h"
502 FIXP_DBL fft[8]; local
524 /* write to fft coefficient n' */
525 fft[FFT_IDX_R(0)] = ( fMult(p[10], ( fMultSub(fMultDiv2(cr[ 2], pQmfReal[pReadIdx[ 2]]), ci[ 2], pQmfImag[pReadIdx[ 2]]))) +
528 fft[FFT_IDX_I(0)] = ( fMult(p[10], ( fMultAdd(fMultDiv2(ci[ 2], pQmfReal[pReadIdx[ 2]]), cr[ 2], pQmfImag[pReadIdx[ 2]]))) +
533 fft[FFT_IDX_R(1)] = ( fMult(p[ 9], ( fMultSub(fMultDiv2(cr[ 3], pQmfReal[pReadIdx[ 3]]), ci[ 3], pQmfImag[pReadIdx[ 3]]))) +
536 fft[FFT_IDX_I(1)] = ( fMult(p[ 9], ( fMultAdd(fMultDiv2(ci[ 3], pQmfReal[pReadIdx[ 3]]), cr[ 3], pQmfImag[pReadIdx[ 3]]))) +
541 fft[FFT_IDX_R(2)] = ( fMult(p[12], ( fMultSub(fMultDiv2(cr[ 0], pQmfReal[pReadIdx[ 0]]), ci[ 0], pQmfImag[pReadIdx[ 0]]))) +
545 fft[FFT_IDX_I(2)] = ( fMult(p[12], ( fMultAdd(fMultDiv2(ci[ 0], pQmfReal[pReadIdx[ 0]]), cr[ 0], pQmfImag[pReadIdx[ 0]]))) +
550 fft[FFT_IDX_R(3)] = ( fMult(p[11], ( fMultSub(fMultDiv2(cr[ 1], pQmfReal[pReadIdx[ 1]]), ci[ 1], pQmf (…)
[all...] |
| fft.cpp | 87 Description: Fix point FFT
91 #include "fft.h"
104 /* Performs the FFT of length 3 according to the algorithm after winograd.
138 /* performs the FFT of length 5 according to the algorithm after winograd */
203 /* Performs the FFT of length 15. It is split into FFTs of length 3 and length 5. */
210 /* Sort input vector for fft's of length 3
263 /* Sort input vector for fft's of length 5
1095 /* Perform dim2 times the fft of length dim1. The input samples are at the address of pSrc and the \
1096 output samples are at the address of pDst. The input vector for the fft of length dim1 is built \
1332 void fft(int length, FIXP_DBL *pInput, INT *pScalefactor) function
[all...] |
| /external/aac/libSBRdec/src/ |
| psdec_hybrid.cpp | 87 #include "fft.h"
213 Implementation using a FFT of length 8
242 Try to split off FFT Modulation Term:
243 FFT(x[t], q) = sum(x[t+k]*exp(-j*2*pi/N *q * k))
255 n m *exp(-j*2*pi) | n' fft
272 now use fft modulation coefficients
273 m[6] = = fft[0]
274 m[7] = = fft[1]
275 m[8] = m[ 0] = fft[2]
276 m[9] = m[ 1] = fft[3
383 FIXP_DBL *fft = (FIXP_DBL *)ALIGN_PTR(_fft); local
[all...] |
| /external/srec/srec/include/ |
| front.h | 36 #include "fft.h"
161 int *spectrum_filter; /* List of FFT taps to filter */
172 fft_info fft; member in struct:__anon28288
281 ** fft 0
|
| /external/webrtc/src/modules/audio_processing/aec/ |
| aec_core.c | 287 //static void FilterAdaptationUnconstrained(aec_t *aec, float *fft,
311 static void FilterAdaptation(aec_t *aec, float *fft, float ef[2][PART_LEN1]) {
325 fft[2 * j] = MulRe(aec->xfBuf[0][xPos + j],
328 fft[2 * j + 1] = MulIm(aec->xfBuf[0][xPos + j],
332 fft[1] = MulRe(aec->xfBuf[0][xPos + PART_LEN],
336 aec_rdft_inverse_128(fft);
337 memset(fft + PART_LEN, 0, sizeof(float) * PART_LEN);
339 // fft scaling
343 fft[j] *= scale;
346 aec_rdft_forward_128(fft);
545 float fft[PART_LEN2]; local
639 float fft[PART_LEN2]; local
856 float fft[PART_LEN2]; local
[all...] |
| /external/webrtc/src/modules/audio_processing/aecm/ |
| aecm_core.c | 361 static void WindowAndFFTC(WebRtc_Word16* fft,
368 memset(fft, 0, sizeof(WebRtc_Word16) * PART_LEN4);
369 // FFT of signal
373 // transformation array |fft|
374 fft[j] = (WebRtc_Word16)WEBRTC_SPL_MUL_16_16_RSFT(
378 fft[PART_LEN2 + j] = (WebRtc_Word16)WEBRTC_SPL_MUL_16_16_RSFT(
386 WebRtcSpl_ComplexBitReverse(fft, PART_LEN_SHIFT);
387 WebRtcSpl_ComplexFFT(fft, PART_LEN_SHIFT, 1);
392 freq_signal[i].real = fft[j];
395 freq_signal[i].imag = - fft[j+1]
1394 WebRtc_Word16 *fft = (WebRtc_Word16 *) (((uintptr_t) fft_buf + 31) & ~31); local
1532 WebRtc_Word16* fft = (WebRtc_Word16*) (((uintptr_t) fft_buf + 31) & ~ 31); local
[all...] |
| /prebuilts/sdk/10/ |
| android.jar | |
| /prebuilts/sdk/11/ |
| android.jar | |
| /prebuilts/sdk/12/ |
| android.jar | |
| /prebuilts/sdk/14/ |
| android.jar | |
| /prebuilts/sdk/15/ |
| android.jar | |
| /prebuilts/sdk/16/ |
| android.jar | |
| /prebuilts/sdk/18/ |
| android.jar | |
| /prebuilts/sdk/19/ |
| android.jar | |
