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Audio Streaming with Silence Detection Using 802.15.4 Radios
Author(s) -
A. W. Rohankar,
Shantanu Pathak,
Mrinal Kanti Naskar,
Amitava Mukherjee
Publication year - 2012
Publication title -
isrn sensor networks
Language(s) - English
Resource type - Journals
ISSN - 2090-7745
DOI - 10.5402/2012/590651
Subject(s) - silence , computer science , audio over ethernet , bandwidth (computing) , popularity , bit rate , multimedia , real time computing , telecommunications , computer network , speech recognition , audio signal , audio signal processing , speech coding , psychology , social psychology , philosophy , aesthetics
Short-range radios with low data rate are gaining popularity due to their abundant commercial availability. It is imperative that high-speed multimedia would be an attractive application field with these radios. Audio over 802.15.4 compliant radios is a challenging task to achieve. This paper describes a real-time implementation of audio communication using 802.15.4 radios. Silence detection and soft ADPCM are the main features of our work. Our results show that silence detection improves bandwidth optimization and audio communication performance over low bit-rate radios.

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