GB/T 20090.11-2015
ActiveInformation technology—Advanced coding of audio and video—Part 11: Synchronous text
信息技术 先进音视频编码 第11部分：同步文本
Application Summary AI generated
This standard specifies the format and coding rules for synchronous text, which is text that is temporally aligned with audio or video content. It is applied in digital broadcasting, streaming media, and multimedia playback systems to enable features like subtitles, captions, and karaoke lyrics that display in sync with the corresponding media. The standard ensures interoperability between different encoding and playback devices within China's AVS (Audio Video coding Standard) ecosystem.
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