大视频VR直播业务及其技术

[摘要] 提出了一种在网路协定电视（IPTV）/互联网应用服务（OTT）大视频系统上的虚拟现实（VR）直播业务的实现技术，可以让IPTV/OTT的用户通过机顶盒在电视上观看360°场景的VR直播视频，或通过手机加头盔、一体化集成的VR眼镜等移动设备来观看VR直播视频。该VR直播业务的实现技术也实现了端到端低时延，提升了用户体验；在IPTV/OTT大视频系统上承载VR直播业务，需要对系统进行端到端的技术改造。

[关键词] IPTV/OTT大视频系统；直播业务；机顶盒；手机；低时延

[Abstract] The implementation technology of virtual reality (VR) live service on the Internet Protocol Television (IPTV)/Over The Top (OTT) big video system is proposed in this paper, which allows IPTV/OTT users to watch 360-degree scene VR live video on TV with set top box(STB) or mobile devices such as smart phone plus helmet, integrated VR client. This technology can realize the end-to-end low-latency and improve the user experience. End-to-end technological transformation for the IPTV/OTT system is also needed when bearing VR live service.

[Keywords] IPTV/OTT big video system; live service; STB; smart phone; low-latency