Subband analysis for robust speech recognition in the presence of car noise

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Subband analysis for robust speech recognition in the presence of car noise.pdf (428.98 KB)

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1995-05

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Abstract

In this paper, a new set of speech feature representations for robust speech recognition in the presence of car noise are proposed. These parameters are based on subband analysis of the speech signal. Line Spectral Frequency (LSF) representation of the Linear Prediction (LP) analysis in subbands and cepstral coefficients derived from subband analysis (SUBCEP) are introduced, and the performances of the new feature representations are compared to mel scale cepstral coefficients (MELCEP) in the presence of car noise. Subband analysis based parameters are observed to be more robust than the commonly employed MELCEP representations.

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IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 1995

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IEEE

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Keywords

Acoustic noise, Computer simulation, Feature extraction, Markov processes, Mathematical models, Numerical analysis, Polynomials, Speech analysis, Vector quantization, Parameter estimation, Pattern recognition systems, Performance, Cepstral coefficient, Line spectral frequency, Linear prediction analysis, Mel scale cepstral coefficient, Speech signal, Subband analysis, Car noise, Hidden Markov model, Linear predictive coding, Mel scale cepstral coefficients, Speech recognition system, Speech recognition

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http://hdl.handle.net/11693/27764

Published Version (Please cite this version)

https://doi.org/10.1109/ICASSP.1995.479610

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Scholarly Publications - Computer Engineering

Language

English

Type

Conference Paper