A real-time mobile video newsgathering and broadcast system using a wireless LAN

A real-time mobile video newsgathering and broadcast system using a wireless LAN

We introduce a video newsgathering system called mobile broadcast video. The system is designed to use a wireless LAN and low earth orbit satellite technology for increased mobility and wide area coverage. It offers broadcast-quality video by using the MPEG-2 standard for audio/video compression and...

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Hauptverfasser: Gounyoung Kim, Hong, D., Eleftheriadis, A.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Hardware
Low earth orbit satellites
Multimedia communication
Real time systems
Satellite broadcasting
Software prototyping
System software
Transform coding
Video compression
Wireless LAN
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creator Gounyoung Kim
Hong, D.
Eleftheriadis, A.
description We introduce a video newsgathering system called mobile broadcast video. The system is designed to use a wireless LAN and low earth orbit satellite technology for increased mobility and wide area coverage. It offers broadcast-quality video by using the MPEG-2 standard for audio/video compression and multiplexing. Our prototype uses off-the-shelf hardware components with all system software developed in-house. We present our implementation, focusing particularly on real-time live video acquisition and fast delivery of the high-rate compressed data over a wireless LAN. We also introduce an effective MPEG-2 transport stream level error concealment scheme that increases subjective played-back audiovisual quality in the case of packet losses. Through experimental results, we demonstrate that an economical, high-quality, real-time solution for mobile video newsgathering and broadcasting is realizable using even wireless 802.11b LANs.
doi_str_mv 10.1109/ICC.2005.1494531
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ispartof IEEE International Conference on Communications, 2005. ICC 2005. 2005, 2005, Vol.2, p.1167-1173 Vol. 2
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Hardware
Low earth orbit satellites
Multimedia communication
Real time systems
Satellite broadcasting
Software prototyping
System software
Transform coding
Video compression
Wireless LAN
title A real-time mobile video newsgathering and broadcast system using a wireless LAN
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