Paper Title:
Research and Realization on the Voice Command Recognition System for Robot Control Based on ARM9
  Abstract

In this paper, based on the study of two speech recognition algorithms, two designs of speech recognition system are given to realize this isolated speech recognition mobile robot control system based on ARM9 processor. The speech recognition process includes pretreatment of speech signal, characteristic extrication, pattern matching and post-processing. Mel-Frequency cepstrum coefficients (MFCC) and linear prediction cepstrum coefficients (LPCC) are the two most common parameters. Through analysis and comparison the parameters, MFCC shows more noise immunity than LPCC, so MFCC is selected as the characteristic parameters. Both dynamic time warping (DTW) and hidden markov model (HMM) are commonly used algorithm. For the different characteristics of DTW and HMM recognition algorithm, two different programs were designed for mobile robot control system. The effect and speed of the two speech recognition system were analyzed and compared.

  Info
Periodical
Edited by
Ran Chen
Pages
1422-1426
DOI
10.4028/www.scientific.net/AMM.44-47.1422
Citation
M. J. Gao, Z. X. Yang, "Research and Realization on the Voice Command Recognition System for Robot Control Based on ARM9", Applied Mechanics and Materials, Vols. 44-47, pp. 1422-1426, 2011
Online since
December 2010
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