Closed Captioning via Google Speech Recognition
发布时间:2026-08-14 | 浏览:9
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OBS Studio Plugins
Author RatWithACompiler
Creation date Jul 17, 2019
Completely optional for viewers on all platforms
Captions only when the microphone source is unmuted and active to ensure safety
Works live and in VODs, no Twitch extension required
Requires no extra tools or website open
Supports many common languages with western character sets
Supports OBS delay
Open Caption support via OBS Text Sources for sites that don't support closed captions
Saving captions transcripts as SRT Subtitle files (.srt)
Text filtering with custom word and phrase removal and replacement
Supports captioning all stream audio instead of just a single source
The caption delay is usually less than half a second and should not be noticeable to viewers.
The plugin only captions the selected audio source when it's not muted and when it's used on the current active scene to ensure safety and avoid any captioning when the mic is muted for the stream.
Only tested on `Twitch.tv`, other streaming services with native caption support might work but not very likely.
You can enable and disable the caption preview dock in OBS under `View -> Docks -> Captions`
Some video players like MPV can show embedded captions on downloaded VODs but very few support that.
The quality of Google's Speech Recognition heavily depends on the speaker and what is being said. The results are usually be pretty good in normal conversational settings like talking to chat but the recognition quality can go down noticeably when using ingame terms or other specialized vocabulary or during hectic speaking.
SRT transcript files are generally recommended for saving captions for local recordings. They are supported by many video players, websites and tools and are easy to edit.
On PC viewers can turn captions on and off using the CC button on the bottom right of the player.
On iOS it's a system wide setting: Settings -> General -> Accessibility -> Subtitles & Captioning -> Closed Captions + SHD If it's already off but viewers still see captions they have to turn it on and off again (appears to be a bug on some iOS versions)
If it's already off but viewers still see captions they have to turn it on and off again (appears to be a bug on some iOS versions)
On Android it's Closed Captions under the player settings options right beneath the quality selection. The option will only show up once the streamer has talked.
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OBS Studio Plugins
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