Abstract
최근 QoS/QoE 기술의 일환으로 HTTP에 기초한 적응적 스트리밍 기술이 주목받고 있다. 이에 본 논문에서는, HTTP에 기초한 동적 적응적 스트리밍 기술에 대해 알아본다. 이를 기반으로 HTTP상에서 동적 적응적 스트리밍 시스템을 설계 및 구현 하였다. 이 시스템은 MPEG2-TS 파일의 비트율별 변환, Segment 분할, MPD(Media Presentation Description)의 생성과 서버와 클라이언트 간의 동적이고 적응적인 네트워크 환경에서 MPD File의 분석을 통한 비트율별 플레이어로 구성된다. 이는 다양한 네트워크 환경에서 지속적이고, 원활한 영상의 재생을 위해 다양한 멀티미디어 분야에 활용될 것이다. Recently, QoS/QoE technology as a part of the HTTP-based adaptive streaming technology has attracted attention. In this paper, we find out HTTP-based adaptive and dynamic streaming technology. It is based on a dynamic adaptive streaming system over HTTP, which is designed and implemented. The system consist of conversion by the bit rate of MPEG2-TS files, division of segment, creation of MPD(Media Presentation Description) and bitrate's player through analysis of MPD File between servers and clients in network environments of dynamic and adaptive. This diverse network environments, continuous and smooth playback of video will be used in various multimedia fields.
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