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IEICE TRANSACTIONS on Information

Selective Gammatone Envelope Feature for Robust Sound Event Recognition

Yi Ren LENG, Huy Dat TRAN, Norihide KITAOKA, Haizhou LI

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Summary :

Conventional features for Automatic Speech Recognition and Sound Event Recognition such as Mel-Frequency Cepstral Coefficients (MFCCs) have been shown to perform poorly in noisy conditions. We introduce an auditory feature based on the gammatone filterbank, the Selective Gammatone Envelope Feature (SGEF), for Robust Sound Event Recognition where channel selection and the filterbank envelope is used to reduce the effect of noise for specific noise environments. In the experiments with Hidden Markov Model (HMM) recognizers, we shall show that our feature outperforms MFCCs significantly in four different noisy environments at various signal-to-noise ratios.

Publication
IEICE TRANSACTIONS on Information Vol.E95-D No.5 pp.1229-1237
Publication Date
2012/05/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E95.D.1229
Type of Manuscript
Special Section PAPER (Special Section on Recent Advances in Multimedia Signal Processing Techniques and Applications)
Category
Audio Processing

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