No-reference video quality monitoring for H.264/AVC coded video
IEEE Transactions on Multimedia
QoS-aware end-to-end adaptive congestion detection and control for VoIP
CIIT '07 The Sixth IASTED International Conference on Communications, Internet, and Information Technology
Reliable wireless broadcast with random network coding for real-time applications
WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
The speech quality analysis of push-to-talk services
WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Semantic -based QoS provisioning for wireline and wireless networks
ACA'12 Proceedings of the 11th international conference on Applications of Electrical and Computer Engineering
QoS-aware path switching for VoIP traffic using SCTP
Computer Standards & Interfaces
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Voice over Internet protocol (VoIP) is a technology that transports voice data packets across packet-switched networks using the Internet protocol (IP). Losing packets in the network is inevitable, and losing voice packets degrades audio quality. There are many loss-recovery techniques that designers can use to mitigate the undesired effects of packet loss. Some of these loss-recovery techniques use sender-based procedures, and others use receiver-based procedures. We examine several well-known sender-based loss-recovery techniques and evaluate the feasibility and effectiveness of each one in real-time interactive VoIP applications. We analyze the bandwidth requirements, buffering delays, and perceptual sound qualities of these techniques. We study the effectiveness of these approaches under various packet-loss conditions, and we also compare the effectiveness of these techniques against a speech codec that has high degree of packet-loss robustness