adaptive quality control for multimedia communications

Clicks: 270
ID: 175375
2008
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Abstract
Multimedia communications are communications with several types of media, such as audio, video and data. The current Internet has some levels of capability to support multimedia communications, unfortunately, the QoS (Quality of Service) is still challenging. A large number of QoS mechanisms has been proposed; however, the main concern is for low levels, e.g. layer 2 (Data Link) or 3 (Transport). In this paper, mechanisms for control the quality of audio and video are proposed. G.723.1 and MPEG-4 are used as the audio and video codec respectively. The proposed algorithm for adaptive quality control of audio communication is based on forward error correction (FEC). In the case of video communication, the proposed algorithm adapts the value of key frame interval, which is an encoding parameter of MPEG-4. We evaluated our proposed algorithms by computer simulation. We have shown that, in most cases, the proposed scheme gained a higher throughput compared to other schemes.
Reference Key
chuaywong2008songklanakarinadaptive Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Santichai Chuaywong;Sinchai Kamolphiwong;Thossaporn Kamolphiwong;Kevin Robert Elz;Suthon Sae-Wong
Journal ferroelectrics
Year 2008
DOI
DOI not found
URL
http://www.sjst.psu.ac.th/ejournal/journal/30-1/0125-3395-30-1-71-84.pdf
Keywords
quality control adaptive

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