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http://dx.doi.org/10.9717/kmms.2017.20.10.1628

Caption Data Transmission Method for HDTV Picture Quality Improvement  

Han, Chan-Ho (Dept. of Broadcasting Media Engineering, Kangwon National University)
Publication Information
Journal of Korea Multimedia Society / v.20, no.10, 2017 , pp. 1628-1636 More about this Journal
Abstract
Such as closed caption, ancillary data, electronic program guide(EPG), data broadcasting, and etc, increased data for service convenience cause to degrade video quality of high definition contents. This article propose a method to transfer the closed caption data of video contents without video quality degradation. Video quality degradation does not cause in video compression by the block image insertion of caption data in DTV essential hidden area. Additionally the proposed methods have advantage to synchronize video, audio, and caption from preinserted script without time delay.
Keywords
Closed Caption; Digital Broadcasting; Data Service; Video Quality; Audio to Video Synchronization;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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