Research and Realization on the Voice Command Recognition System for Robot Control Based on ARM9

Mei Juan Gao; Zhi Xin Yang

doi:10.4028/www.scientific.net/AMM.44-47.1422

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 44-47Research and Realization on the Voice Command...

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.

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Periodical:

Applied Mechanics and Materials (Volumes 44-47)

Pages:

1422-1426

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.44-47.1422

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Online since:

December 2010

Authors:

Mei Juan Gao, Zhi Xin Yang

Keywords:

ARM9, HMM, Mobile Robot Control, Speech Recognition

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References

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