본 논문은 모바일 방송망에서 고화질의 3D 방송 서비스를 제공하는 방법을 제안한다. 제안방법에서는 제한된 방송망의 대역폭을 극복하는 방법으로 오디오와 비디오를 방송망과 이동통신망으로 구성된 이종망을 통해 전달한다. 특히 서로 다른 망을 통해 각각 전송되는 스테레오스코픽 좌/우 영상을 동기화하는 방법을 제안한다. 본 논문에서의 동기화 방법은 RTP(Real Time Protocol)의 초기 타임스탬프(Timestamp)로부터의 옵셋을 이용하여 영상의 프레임(Frame) 순서를 구별하고 동일한 시점에 재생되어야 하는 좌/우 영상의 쌍을 찾는다. 마지막으로 3D 방송 서비스를 구별하고 타임스탬프를 얻기 위한 시그널링(Signaling)방법을 제시한다.
KSP Keywords
Real-time
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