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- W2402562257 abstract "Due to the increasing use of fusion in speaker recognition systems, one trend of current research activity focuses on new features that capture complementary information to the MFCC (Mel-frequency cepstral coefficients) for improving speaker recognition performance. The goal of this work is to combine (or fuse) amplitude and phase-based features to improve speaker verification performance. Based on the amplitude and phase spectra we investigate some possible variations to the extraction of cepstral coefficients that produce diversity with respect to fused subsystems. Among the amplitude-based features we consider widely used MFCC, Linear frequency cepstral coefficients, and multitaper spectrum estimationbased MFCC (denoted here as MMFCC). To compute phasebased features we choose modified group delayand all-pole group delay-, linear prediction residual phase-based features. We also consider product spectrum-based cepstral coefficients features that are influenced by both the amplitude and phase spectra. For performance evaluation, text-dependent speaker verification experiments are conducted on the a proprietary dataset known as Voice Trust-Pakistan (VT-Pakistan) corpus. Experimental results show that the fused system provide reduced error rate compared to both the amplitude and phasebased features. On the average fused system provided a relative improvement of 37% over the baseline MFCC systems in terms of EER, DCF (detection cost function) of SRE 2008 and DCF of SRE 2010." @default.
- W2402562257 created "2016-06-24" @default.
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- W2402562257 date "2015-09-06" @default.
- W2402562257 modified "2023-09-24" @default.
- W2402562257 title "Combining amplitude and phase-based features for speaker verification with short duration utterances" @default.
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- W2402562257 doi "https://doi.org/10.21437/interspeech.2015-94" @default.
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