NDLI: Compensated mel frequency cepstrum coefficients

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Compensated mel frequency cepstrum coefficients

Content Provider	IEEE Xplore Digital Library
Author	Vergin, R. O'Shaughnessy, D. Gupta, V.
Copyright Year	1996
Description	Author affiliation: INRS Telecommun., Ile des Soeurs, Que., Canada (Vergin, R.; O'Shaughnessy, D.; Gupta, V.)
Abstract	The high concentration of energy in the low frequency range observed for most speech spectra is considered a nuisance because it makes less relevant the energy of the signal at middle and high frequencies in many speech analysis algorithms. This problem is often partially solved by filtering the input signal with a single-zero high pass filter. This technique, known as pre-emphasis, is not used in some speech recognition systems because it can increase the noise energy at high frequencies, which in some cases degrades the system's performance. A new algorithm, to avoid the ill effects of pre-emphasis, is presented in this paper. It is shown that this approach can increase the recognition rate.
Starting Page	323
Ending Page	326
File Size	349150
Page Count	4
File Format	PDF
ISBN	0780331923
ISSN	15206149
DOI	10.1109/ICASSP.1996.541097
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-05-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency Cepstrum Acoustic noise Noise cancellation Speech analysis Speech recognition Filters Business Degradation Speech processing
Content Type	Text
Resource Type	Article

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