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Low Bandwidth Vocoding using EM Sensor and Acoustic Signal Processing [electronic resource].

Published:
Washington, D.C. : United States. Dept. of Energy, 2001.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
PDF-FILE: 7 ; SIZE: 0.1 MBYTES pages
Additional Creators:
Lawrence Livermore National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
Low-power EM radar-like sensors have made it possible to measure properties of the human speech production system in real-time, without acoustic interference [1]. By combining these data with the corresponding acoustic signal, we've demonstrated an almost 10-fold bandwidth reduction in speech compression, compared to a standard 2.4 kbps LPC10 protocol used in the STU-III (Secure Terminal Unit, third generation) telephone. This paper describes a potential EM sensor/acoustic based vocoder implementation.
Report Numbers:
E 1.99:ucrl-jc-145934
ucrl-jc-145934
Subject(s):
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Note:
Published through SciTech Connect.
10/25/2001.
"ucrl-jc-145934"
Institute of Electrical and Electronics Engineers International Conference on Acoustics, Speech and Signal Processing 2002, Orlando, FL (US), 05/13/2002--05/17/2002.
Larson, P E; Holzrichter, J F; Ng, L C.
Funding Information:
W-7405-ENG-48
View MARC record | catkey: 13805438