Title:
METHOD, APPARATUS AND SYSTEM FOR SYNCHRONOUSLY PLAYING MESSAGE STREAM AND AUDIO/VIDEO STREAM
Document Type and Number:
WIPO Patent Application WO/2020/199304
Kind Code:
A1
Abstract:
Disclosed are a method, apparatus and system for synchronously playing a message stream and an audio/video stream, wherein same belong to the technical field of streaming media live broadcast. The method comprises: a stream pulling end pulling, from an audio/video server, an audio/video stream and playing same, and pulling, from a message server, a message stream and caching same (201), wherein an audio/video timestamp is added to each audio/video frame in the audio/video stream, a message timestamp is added to each message in the message stream, and time sources taken by the audio/video timestamp and the message timestamp are synchronous time sources; and the stream pulling end determining, based on the audio/video timestamp of the audio/video frame and the message timestamp of the message and in the cached message stream, a message synchronously played with an audio/video frame to be played and playing the message (202). According to the present application, the synchronous playing of an audio/video stream and a message stream can be realized, thereby improving the interaction and experience effects of online live broadcast education.
More Like This:
| WO/2012/030036 | IMAGE DISPLAY APPARATUS AND METHOD FOR OPERATING THE SAME |
| WO/2017/086559 | IMAGE DISPLAY DEVICE AND OPERATING METHOD OF THE SAME |
| WO/2021/221946 | SYSTEM FOR JITTER RECOVERY FROM A TRANSCODER |
Inventors:
ZHANG JUN (CN)
HUANG JIANWU (CN)
HUANG JIANWU (CN)
Application Number:
PCT/CN2019/086061
Publication Date:
October 08, 2020
Filing Date:
May 08, 2019
Export Citation:
Assignee:
WANGSU SCIENCE & TECH CO LTD (CN)
International Classes:
H04N21/43
Foreign References:
| CN105323655A | 2016-02-10 | |||
| CN108156480A | 2018-06-12 | |||
| CN106326343A | 2017-01-11 | |||
| US20150296228A1 | 2015-10-15 | |||
| EP2840803A1 | 2015-02-25 |
Other References:
See also references of EP 3742742A4
Attorney, Agent or Firm:
SHANGHAI CHENHAO INTELLECTUAL PROPERTY LAW FIRM GENERAL PARTNERSHIP (CN)
Download PDF: