07MR3700, Development of Richmedia Broadcasting Technologies through Advanced Audio and Video Codec Technologies,
Hong Jin Woo
Abstract
H.264의 출현으로 디지털 콘텐츠는 고해상도 HD 서비스로 빠르게 전환되고 있다. H.264는 현존하는 가장 우수한 비디오 부호화 표준이지만, 모바일 TV에서는 QVGA 또는 CIF 해상도의 VCD급 품질만 제공 가능한 성능의 한계를 보이고 있다. HD 콘텐츠에 익숙해진 사용자들은 모바일 TV의 VCD급 서비스에 점차적으로 불만족을 느끼게 될 것이며, DVD급 이상의 서비스로 빠른 전환을 요구하게 될 것이다. 본 고에서는 현재 모바일 TV에서 사용되는 H.264 보다 높은 압축 성능을 위한 비디오 부호화 표준화 동향과 전망에 대해 설명하고자 한다. 먼저 H.264 이후에 진행된 MPEG의 SVC, MVC, RVC 비디오 부호화 현황에 대해 설명하고, VCEG에서 진행중인 H.265를 위한 KTA 현황 및 동향과 주요 기술들에 대해 설명하고, 향후 비디오 부호화 표준화에 대한 전망을 예측하였다.
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