| /external/speex/libspeex/ |
| filterbank.h | 3 @file filterbank.h
4 @brief Converting between psd and filterbank
49 } FilterBank;
52 FilterBank *filterbank_new(int banks, spx_word32_t sampling, int len, int type);
54 void filterbank_destroy(FilterBank *bank);
56 void filterbank_compute_bank32(FilterBank *bank, spx_word32_t *ps, spx_word32_t *mel);
58 void filterbank_compute_psd16(FilterBank *bank, spx_word16_t *mel, spx_word16_t *psd);
61 void filterbank_compute_bank(FilterBank *bank, float *psd, float *mel);
62 void filterbank_compute_psd(FilterBank *bank, float *mel, float *psd);
|
| filterbank.c | 3 @file filterbank.c
4 @brief Converting between psd and filterbank
38 #include "filterbank.h"
54 FilterBank *filterbank_new(int banks, spx_word32_t sampling, int len, int type)
56 FilterBank *bank;
66 bank = (FilterBank*)speex_alloc(sizeof(FilterBank));
122 void filterbank_destroy(FilterBank *bank)
134 void filterbank_compute_bank32(FilterBank *bank, spx_word32_t *ps, spx_word32_t *mel)
156 void filterbank_compute_psd16(FilterBank *bank, spx_word16_t *mel, spx_word16_t *ps
[all...] |
| /external/aac/libFDK/include/ |
| FDK_hybrid.h | 87 Description: FDK Tools Hybrid Filterbank
152 * \brief Create one instance of Hybrid Analyis Filterbank.
154 * \param hAnalysisHybFilter Pointer to an outlying allocated Hybrid Analysis Filterbank structure.
172 * \brief Initialize and configure Hybrdid Analysis Filterbank instance.
174 * \param hAnalysisHybFilter A Hybrid Analysis Filterbank handle.
192 * \brief Adjust Hybrdid Analysis Filterbank states.
194 * \param hAnalysisHybFilter A Hybrid Analysis Filterbank handle.
206 * \brief Apply Hybrid Analysis Filterbank on Qmf input data.
208 * \param hAnalysisHybFilter A Hybrid Analysis Filterbank handle.
226 * \brief Close a Hybrid Analysis Filterbank instance
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| /external/speex/ |
| Android.mk | 25 libspeex/filterbank.c \
82 libspeex/filterbank.c \
|
| /external/aac/libSBRdec/src/ |
| psdec.cpp | 474 filterbank values
555 FIXP_DBL **QmfBufferReal, /* qmf filterbank values */
556 FIXP_DBL **QmfBufferImag, /* qmf filterbank values */
561 /* scale back 6 timeslots look ahead for hybrid filterbank to original value */
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| psdec.h | 319 FIXP_DBL **fixpQmfReal, /* qmf filterbank values */
320 FIXP_DBL **fixpQmfImag, /* qmf filterbank values */
332 FIXP_DBL **QmfBufferReal, /* qmf filterbank values */
333 FIXP_DBL **QmfBufferImag, /* qmf filterbank values */
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| sbr_dec.cpp | 608 QmfBufferReal, /* qmf filterbank values */
609 QmfBufferImag, /* qmf filterbank values */
725 /* scale back (6) timeslots look ahead for hybrid filterbank to original value */
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| /external/aac/libAACenc/src/ |
| psy_main.cpp | 316 FB_TYPE filterBank;
328 default: filterBank = FB_LC; break;
329 case AOT_ER_AAC_LD: filterBank = FB_LD; break;
330 case AOT_ER_AAC_ELD: filterBank = FB_ELD; break;
335 ErrorStatus = FDKaacEnc_InitPsyConfiguration(bitRate/channelsEff, sampleRate, bandwidth, LONG_WINDOW, hPsy->granuleLength, useIS, &(hPsy->psyConf[0]), filterBank);
356 ErrorStatus = FDKaacEnc_InitPsyConfiguration(bitRate/channelsEff, sampleRate, bandwidth, SHORT_WINDOW, hPsy->granuleLength, useIS, &hPsy->psyConf[1], filterBank);
401 (hPsy->psyConf[0].filterbank == FB_LC));
412 (hPsy->psyConf[1].filterbank == FB_LC));
491 if (hPsyConfLong->filterbank == FB_LC) {
507 if (hPsyConfLong->filterbank != FB_ELD
[all...] |
| psy_configuration.h | 114 INT filterbank; /* LC, LD or ELD */ member in struct:__anon5403
160 FB_TYPE filterbank);
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| psy_const.h | 102 /* Filterbank type*/
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| psy_configuration.cpp | 575 FB_TYPE filterbank)
585 psyConf->filterbank = filterbank;
|
| /external/libopus/silk/ |
| structs.h | 63 opus_int32 AnaState[ 2 ]; /* Analysis filterbank state: 0-8 kHz */
64 opus_int32 AnaState1[ 2 ]; /* Analysis filterbank state: 0-4 kHz */
65 opus_int32 AnaState2[ 2 ]; /* Analysis filterbank state: 0-2 kHz */
|
| /external/webrtc/webrtc/modules/audio_coding/codecs/isac/fix/source/ |
| codec.h | 115 /* filterbank functions */
|
| filterbanks.c | 310 postfiltdata: input data structure containing the filterbank
316 postfiltdata: the input data structure containing the filterbank
370 postfiltdata: input data structure containing the filterbank
376 postfiltdata: the input data structure containing the filterbank
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| settings.h | 78 /* order for pre-filterbank */
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| /external/webrtc/webrtc/modules/audio_coding/codecs/isac/main/source/ |
| filterbanks.c | 54 prefiltdata: input data structure containing the filterbank states
79 prefiltdata: this input data structure's filterbank state and
279 postfiltdata: input data structure containing the filterbank
285 postfiltdata: the input data structure containing the filterbank
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| codec.h | 208 /***************************** filterbank functions **************************/
|
| settings.h | 92 /* order for pre-filterbank */
|
| /external/aac/libAACdec/src/ |
| ldfiltbank.h | 89 * contents/description: low delay filterbank interface
|
| /external/webrtc/webrtc/modules/audio_processing/intelligibility/ |
| intelligibility_enhancer.h | 127 // Initializes ERB filterbank.
|
| intelligibility_enhancer_unittest.cc | 58 "Test filterbank badly initialized.");
|
| /system/bt/embdrv/sbc/decoder/srce/ |
| dequant.c | 177 * is intended for use with implementations of the filterbank which are
|
| synthesis-8-generated.c | 29 filterbank computations for the SBC decoder.
|
| /frameworks/av/services/audioflinger/ |
| AudioResamplerFirGen.h | 425 coef += halfNumCoef; // skip first filterbank (picked up by the last filterbank).
456 * after any internal complex multiplications), the polyphase filterbank
617 * The last filterbank is used for interpolation purposes (and is mostly composed
621 * We use the last filterbank for some transfer function calculation purposes,
|
| /external/aac/libFDK/src/ |
| qmf.cpp | 87 Description: QMF filterbank
94 This module contains the qmf filterbank for analysis [ cplxAnalysisQmfFiltering() ] and
104 The polyphase implementation of a filterbank requires filtering at the input and output.
111 test program is available which can be used to only test the filterbank: main_audio.cpp
159 * \li -6 division by 64 in synthesis filterbank
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