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Influence of codecs on adaptive jitter buffer algorithm
Hirannaiah, Radhika M. Jasti, Amarnath Pendse, Ravi
Hirannaiah, Radhika M.
Jasti, Amarnath
Pendse, Ravi
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Issue Date
2007-09-30
Type
Conference paper
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Keywords
Codecs,Delay effects,IP networks,Internet telephony,Jitter,Performance loss,Telecommunication traffic,Traffic control
Subjects (LCSH)
Citation
Hirannaiah, R.M.; Jasti, A.; Pendse, R.; , "Influence of Codecs on Adaptive Jitter Buffer Algorithm," Vehicular Technology Conference, 2007. VTC-2007 Fall. 2007 IEEE 66th , vol., no., pp.2015-2019, Sept. 30 2007-Oct. 3 2007 doi: 10.1109/VETECF.2007.423
Abstract
Transmitting real-time audio or video applications over the Internet is a challenge for current networking technology. Reduced overhead and enhancement of services are the motivations for deploying voice communications. The integration of voice, video, and data encounters a variable amount of jitter and delay. Typically, packet loss ranges from 0% to 20% and one-way delay ranges from 5 to 500 msec. Reducing jitter delay involves buffering of audio packets at the receiver so that the slower packets arrive sequentially on time at the destination. Adaptive jitter buffering at the receiver improves the quality of voice connections on the Internet. In this paper, the existing jitter buffer model was further enhanced by proposing a model to change the audio codecs dynamically. The audio codecs are changed from a higher bit rate to a lower bit rate during an established call session, reducing the packet loss and improving the call performance.
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The full text of this article is not available on SOAR. WSU users can access the article via IEEE Xplore database licensed by University Libraries: http://libcat.wichita.edu/vwebv/holdingsInfo?bibId=1045954
Publisher
IEEE
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Series
Vehicular Technology Conference, 2007. VTC-2007 Fall. 2007 IEEE 66th;vol., no., pp.2015-2019