2017
DOI: 10.1109/access.2017.2728801
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Enhanced Forensic Speaker Verification Using a Combination of DWT and MFCC Feature Warping in the Presence of Noise and Reverberation Conditions

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Cited by 64 publications
(40 citation statements)
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“…Besides, the discrete wavelet transform (DWT) is a prevalent tool for analyzing the acoustic signal in time and frequency. Many researchers have introduced the wavelet transform (WT) into the extraction of feature warped MFCC (FW-MFCC), for instance, Ahmed Kamil Hasan et al combine FW-MFCC and DWT for speaker verification [37], [38]. They apply DWT to decompose the speech into the low frequency sub-band and the high frequency sub-band coefficients, and then splice the frequency response of the wavelet coefficients into a complete frequency spectrum, finally, they acquire the Mel logarithmic power spectrum by calculating the wavelet coefficient energy.…”
Section: ) Feature Warped Mfcc and Dwtmentioning
confidence: 99%
“…Besides, the discrete wavelet transform (DWT) is a prevalent tool for analyzing the acoustic signal in time and frequency. Many researchers have introduced the wavelet transform (WT) into the extraction of feature warped MFCC (FW-MFCC), for instance, Ahmed Kamil Hasan et al combine FW-MFCC and DWT for speaker verification [37], [38]. They apply DWT to decompose the speech into the low frequency sub-band and the high frequency sub-band coefficients, and then splice the frequency response of the wavelet coefficients into a complete frequency spectrum, finally, they acquire the Mel logarithmic power spectrum by calculating the wavelet coefficient energy.…”
Section: ) Feature Warped Mfcc and Dwtmentioning
confidence: 99%
“…Алгоритм MFCC часто встречается в предлагаемых научным сообществом автоматических системах распознавания речи [28][29][30][31][32]. Тем не менее процесс параметризации нередко включает в себя не один метод, а комбинацию из нескольких [33][34][35][36][37]. Большое разнообразие сочетаний подходов можно наблюдать у участников ASVspoof: Automatic Speaker Verification Spoofing and Countermeasures Challenge [38], решающих задачу противодействия спуфинговым атакам.…”
Section: заключениеunclassified
“…At the same time, the systems are expected to be robust to noisy and reverberant environments, where they are typically used. Recent studies have suggested speech enhancement (SE) algorithms to improve the robustness of the SV systems to noise and reverberation [25]- [29].…”
Section: Introductionmentioning
confidence: 99%