Sports analysis subtitles. Keep every replay in context.

Caption the explanation you have already recorded

Polyglot can transcribe a narrated sports-analysis video locally on an Apple Silicon Mac, help you review and translate the words, and export SRT or WebVTT. Use macOS 14.4 or later. Start with the final recording that your players, coaching staff or approved viewers will watch, including its pauses, repeated clips and voiceover.

A tactical review is a different task from analyzing raw match footage. Polyglot does not track players, detect events, draw arrows, assess tactics or record commentary. Silent footage does not contain an explanation for speech recognition to transcribe. Prepare any narration and visual annotations in your recording or editing tools first.

Confirm permission to process, translate and share the match footage, voices, graphics and music with the intended audience. A publicly viewable broadcast is not permission to reuse it. Follow the actual club, league and safeguarding requirements for identifiable players, especially young people. Remove excluded material from the recording before making wider copies; deleting a name from captions does not remove it from the soundtrack or picture.

Keep video time separate from match time

Subtitle timestamps describe when words appear in the final media file. A spoken match reference describes an event inside that file. These clocks can diverge: a short montage skips much of a match, a freeze frame holds the picture, and a replay shows the same event again while the analyst says something new.

Keep a small clip sheet alongside the project. Record the final filename and revision, the media range, match and period, the visible or spoken game-clock reference, whether the segment is the original play, replay or freeze frame, and the narration version. This is a document you maintain, not an automatic event-mapping feature in Polyglot.

Use the final video's media timeline for cue timing. Do not paste a scoreboard time into an SRT timestamp or calculate all cues from the first kickoff: edits and replays break that relationship. A match reference such as ‘at twelve fourteen’ stays in the caption text when that is what the analyst says.

Review repeated pictures as separate spoken passages

Watch each occurrence of a repeated play with its own audio. One pass may introduce the situation; a second may explain a different player's movement. Reusing the first passage's captions can put a plausible but wrong explanation over the replay. Crowd noise or a whistle during a pause should not become invented commentary.

The fictional example below shows one event appearing twice. Its media times are review references, not a ready-to-upload subtitle file or a test of recognition accuracy. If the analyst's reference and the picture disagree, ask the analyst to resolve the recording before accepting the track.

Fictional two-clock clip sheet
Cut: match-review-v04.mp4

Media 00:48–00:55
Match: first half, 12:14
View: original play
Heard: ‘Watch number eight
move toward the touchline.’

Media 01:03–01:12
Match: same 12:14 event
View: replay + freeze frame
Heard: ‘Now watch the space
behind the defender.’

Same play, different speech.
Time both against this edit.

Preserve the analyst’s references and qualifications

Check team names, player names where permitted, shirt numbers, positions and period references against the approved source. ‘Number eight’ and ‘the eight’ may refer to a shirt number and a tactical role respectively. Do not resolve that ambiguity by guessing from the picture. Keep a short terminology list and ask the analyst when the intended meaning is unclear.

Review left and right from the stated viewpoint, especially when the camera changes or a reverse angle appears. Preserve negation and qualifications: ‘does not press’ and ‘could have pressed’ are different claims from ‘presses’. Captions should follow the final spoken analysis rather than silently improving or correcting its tactical judgment.

Review the original before translating. A competent language reviewer should check the sports terminology, player references and strength of each judgment alongside playback. Recognition language support and translation targets are separate capabilities. A fluent translated track does not establish that the analysis is correct.

W3C caption guidance includes relevant non-speech sound and needed speaker identification. Review those manually; use a suitable caption editor to add any missing events. Important arrows, highlighted space or silent movement may also need separately authored description. Polyglot does not infer those visual explanations or automatically produce complete accessibility captions.

Check the track where the team will watch

Export a reviewed subtitle file for each approved language and the exact narrated cut. Check cue text, order and timing. Confirm which formats your receiving player accepts before handoff. YouTube documents a manual caption-file upload with timing; use it only when that destination and its audience settings are approved. This is not a Polyglot upload integration, and support on one platform does not establish support in your sports-analysis system.

Watch the uploaded result from the intended viewer's perspective. Seek directly into a replay, play through a freeze frame and resume, and check that old commentary clears before the next passage. Inspect the first and final cues as well as every repeated play. Test each language at a small window size so captions do not hide a player label, ball position or tactical arrow. SRT does not guarantee placement in every player.

Verify the destination's access settings and the handling of downloadable subtitle and transcript copies. Local processing does not enforce team permissions on exported files. If the destination requires captions embedded in the picture, use an appropriate external editor and inspect that rendered video; Polyglot's subtitle export is a separate file.

Recheck after changing the montage

Adding a freeze frame, trimming an introduction or changing a replay's duration can change the relationship between narration and media time. Review the final edited recording again and update the matching tracks. One uniform timing shift cannot repair a montage whose internal durations changed differently.

Deliver the final video revision, reviewed language files and clip sheet together. Have the analyst approve the player references and commentary, and record the actual receiving-player checks. Hold delivery while a material reference, permission or timing mismatch remains. Polyglot prepares local text and subtitle files; it does not publish the analysis, manage player access or approve coaching decisions.

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