A method and system for broadcasting real-time subtitles

Abstract

The invention discloses a real-time subtitle playing method and a real-time subtitle playing system. The real-time subtitle playing method comprises steps that a media stream segment is divided into a plurality of media stream fragments; the audio information of each of the media stream fragments is extracted; subtitle streams are generated according to the audio information, and comprise subtitle files and index information corresponding to the subtitle files; the plurality of subtitle streams are stored; a playing request transmitted by a terminal is received, and the playing request is used to search a first subtitle stream corresponding to a first media stream fragment; when the first subtitle stream is stored, the first subtitle stream and the first media stream fragment are transmitted to the terminal, and then the terminal is used to parse the first subtle stream to acquire first subtitle content, and then the first subtitle content and the first media stream fragment are played synchronously. The subtitle content and the media stream fragments are synchronously played during direct broadcast.

Description

technical field [0001] The invention relates to the field of multimedia communication, in particular to a method and system for playing real-time subtitles. Background technique [0002] In recent years, with the rapid development of my country's broadband network construction and media technology, streaming media services have gradually become the most representative application in the Internet. The media distribution method based on the idea of ​​segmentation has the advantages of fast startup, adaptive bit rate switching, and good user experience, and has been widely used. [0003] At present, streaming media technology is a relatively mature media technology, which is widely used in Internet information services such as e-commerce, news release, live video broadcast, video on demand, video conferencing and instant messaging. In order to bring users a richer experience, in addition to providing users with high-quality video services, subtitle services are generally also ...

AI Technical Summary

Problems solved by technology

For on-demand media, the staff has enough time to post-process the video and add subtitles; for live broadcasts where the subtitle display position is fixed or does not change much, such as sports lottery numbers, game scores, etc., the subtitles at fixed positions can be updated in real time based on the subtitle template information; however, for wider broadcasts, subtitles cannot be generated in real time

For the chaotic situation of the live broadcast or the hearing-impaired audience, the live broadcast without subtitles will cause the audience to be unable to obtain accurate information, and the user experience satisfaction will be greatly reduced

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