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IEICE TRANSACTIONS on Information

Noise and Channel Distortion Robust ASR System for DARPA SPINE2 Task

Konstantin MARKOV, Tomoko MATSUI, Rainer GRUHN, Jinsong ZHANG, Satoshi NAKAMURA

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Summary :

This paper presents the ATR speech recognition system designed for the DARPA SPINE2 evaluation task. The system is capable of dealing with speech from highly variable, real-world noisy conditions and communication channels. A number of robust techniques are implemented, such as differential spectrum mel-scale cepstrum features, on-line MLLR adaptation, and word-level hypothesis combination, which led to a significant reduction in the word error rate.

Publication
IEICE TRANSACTIONS on Information Vol.E86-D No.3 pp.497-504
Publication Date
2003/03/01
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on Speech Information Processing)
Category
Robust Speech Recognition and Enhancement

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