High-resolution speech signal reconstruction in wireless sensor networks

Authors:
Andria Pazarloglou;Radu Stoleru;Ricardo Gutierrez-Osuna
Affiliations:
Department of Computer Science, Texas A&M University;Department of Computer Science, Texas A&M University;Department of Computer Science, Texas A&M University
Venue:
CCNC'09 Proceedings of the 6th IEEE Conference on Consumer Communications and Networking Conference
Year:
2009

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Abstract

Data streaming is an emerging class of applications for sensor networks that has very high bandwidth and processing power requirements. In this paper, a new approach for speech data streaming is proposed, which is based on a distributed scheme. This scheme focuses on balancing the energy consumption among nodes in a sensor network by allowing lowresolution streams from multiple nodes to be fused at a central processing node in order to produce an enhanced resolution speech signal. Simulations and experimental results with real microphone signals are presented.