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Proceedings Paper

Voice data storage and analysis in locomotive safety controlling system
Author(s): Zhen Zhong Lu; Taiyi Zhang
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Paper Abstract

Locomotive safety controlling system is a system currently used in railway locomotives. The system detects and acquires useful parameters, analyzes the data, gives right decision according to the results and saves information for future use. As three of the important functions, compression, storage and analysis of voice data have shown to b e extremely useful. The analysis process shows that joint time-frequency extraction is effective when restoring voice from the unclear data. Not only does the SNR of the reconstructed signal improve greatly, most components of some random noise severely blurred voice signal can be removed as well. Description of system scheme and data analysis is included in the paper.

Paper Details

Date Published: 8 November 2001
PDF: 6 pages
Proc. SPIE 4534, Optoelectronic and Wireless Data Management, Processing, Storage, and Retrieval, (8 November 2001); doi: 10.1117/12.448016
Show Author Affiliations
Zhen Zhong Lu, Xi'an Jiaotong Univ. and Airforce Engineering Univ. (United States)
Taiyi Zhang, Xi'an Jiaotong Univ. (China)


Published in SPIE Proceedings Vol. 4534:
Optoelectronic and Wireless Data Management, Processing, Storage, and Retrieval
Robert Raymond; Pradip K. Srimani; Renjeng Su; Carl W. Wilmsen, Editor(s)

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