Adaptive streaming of combined audio/video content over wireless networks

Authors:
Jeffrey Kang;Marek Burza;Peter van der Stok
Affiliations:
Philips Research, AE Eindhoven, The Netherlands;Philips Research, AE Eindhoven, The Netherlands;Philips Research, AE Eindhoven, The Netherlands
Venue:
MMNS'06 Proceedings of the 9th IFIP/IEEE international conference on Management of Multimedia and Mobile Networks and Services
Year:
2006

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Abstract

This paper describes a method for robust streaming of combined MPEG-2 audio/video content over in-home wireless networks. We make use of currently used content distribution formats and network protocols. The transmitted bit-rate is constantly adapted to the available network bandwidth, such that audio and video artifacts caused by packet loss are avoided. Bit-rate adaptation is achieved by using a packet scheduling technique called I-Frame Delay (IFD), which performs priority-based frame dropping upon insufficient bandwidth. We show an implementation using RTP and an implementation using TCP. Measurements on a real-life demonstrator set-up demonstrate the effectiveness of our approach.