# \#webvtt

**URL:** https://community.bitmovin.com/tag/webvtt/91.md

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## [SubtitleTrack.label polluted and leads mismatching with DASH manifest AdaptationSet#Label](https://community.bitmovin.com/t/subtitletrack-label-polluted-and-leads-mismatching-with-dash-manifest-adaptationset-label/2514)

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**Author:** [@polunwu](https://community.bitmovin.com/u/polunwu)\
**Replies:** 2\
**Last updated:** [April 7, 2025, 7:18am UTC](https://community.bitmovin.com/t/subtitletrack-label-polluted-and-leads-mismatching-with-dash-manifest-adaptationset-label/2514 "2025-04-07T07:18:18Z")

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First, here is my device and Web SDK information. OS: MacOS Big Sur (11.5) Browser: Google Chrome (Version 119.0.6045.199 (Official Build) (arm64)) Safari 14.1.2（16611.3.10.1.6） Bitmovin Player Web SDK: v8.84.0 (by …

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## [Add external subtitles in Native Android SDK after load Source](https://community.bitmovin.com/t/add-external-subtitles-in-native-android-sdk-after-load-source/1245)

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**Author:** [@nicolas.alves](https://community.bitmovin.com/u/nicolas.alves)\
**Replies:** 14\
**Last updated:** [October 14, 2022, 6:34pm UTC](https://community.bitmovin.com/t/add-external-subtitles-in-native-android-sdk-after-load-source/1245 "2022-10-14T18:34:16Z")

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Hello guys, I’m implementing the player on native Android (Java), but I need to include external subtitles with WebVTT format. I do this to include the caption, after loading the Source: SubtitleTrack subtitleTrack = n…

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## [To set up thumbnail seeking in Bitmovin Player](https://community.bitmovin.com/t/to-set-up-thumbnail-seeking-in-bitmovin-player/1054)

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**Author:** [@billpay](https://community.bitmovin.com/u/billpay)\
**Replies:** 1\
**Last updated:** [July 27, 2022, 6:54pm UTC](https://community.bitmovin.com/t/to-set-up-thumbnail-seeking-in-bitmovin-player/1054 "2022-07-27T18:54:31Z")

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Hi, I’m using Bitmovin player. In order to show the thumbnail image on seek-bar, I’ve to generate VTT(Video Text Tracks) file from .mp4. Do we’ve documentation to generate it through the Nodejs client? Thanks in advanc…

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## [Is it possible to change subtitle appearance on AirPlay from Safari?](https://community.bitmovin.com/t/is-it-possible-to-change-subtitle-appearance-on-airplay-from-safari/639)

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**Author:** [@ludovic.michaud](https://community.bitmovin.com/u/ludovic.michaud)\
**Replies:** 0\
**Last updated:** [April 7, 2022, 4:55pm UTC](https://community.bitmovin.com/t/is-it-possible-to-change-subtitle-appearance-on-airplay-from-safari/639 "2022-04-07T16:55:15Z")

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It seems possible to achieve this with the iOS Native SDK at least for WebVTT subtitles: func onReady(\_ event: ReadyEvent) { playerView.setSubtitleStyles(\[ AVTextStyleRule(textMarkupAttributes: \[ …