Abstract
The wireless sensor network (WSN) technology has been one of the most active research topics in the last several years. Besides sensing the environmental or physical data, there has been a growing need on supporting voice communication, particularly under emergency conditions, in WSNs. In this paper, we will conduct the implementation of voice codec on embedded system using multi-hopping ZigBee communication. The implementation issues, in terms of codec and transmission rate-dependence consideration, as well as the voice quality with multi-hopping are analyzed and evaluated for the designed test-bed.
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Acknowledgments
The authors would like to acknowledge the support from the National Science Council of Taiwan (No. NSC 101-2221-E-142-003, NSC100-2221-E-142-008) and National Taichung University regarding the MoE project (No. 1020035480A).
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© 2014 Springer Science+Business Media Dordrecht
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Chang, LH., Chang, CH., Chang, H.F., Lee, TH. (2014). Implementation and Evaluation of Multi-Hopping Voice Transmission over ZigBee Networks. In: Huang, YM., Chao, HC., Deng, DJ., Park, J. (eds) Advanced Technologies, Embedded and Multimedia for Human-centric Computing. Lecture Notes in Electrical Engineering, vol 260. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-7262-5_136
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DOI: https://doi.org/10.1007/978-94-007-7262-5_136
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