Set the recording language to Czech, check the transcript against the audio, then style the captions and test them on a phone.
Veröffentlicht 2026-09-20
Automatic captions can save you the typing, but the finished text still needs a check. Set the recording language to Czech first, then verify the transcript, and only then change how the captions look. The order matters, because styling a wrong transcript just makes the mistake easier to read.
Most tools guess the language from the audio. A short clip with music, background noise or a few English words can push that guess the wrong way. Open the caption settings and choose Czech as the language of the recording. If your tool has a separate setting for the language of the finished text, keep that on Czech too.
Speech transcription and in-video text in Relsko work in 16 languages, and the text of a finished video can be translated into any of the other 15. So a Czech clip can carry Czech captions, and the same clip can later carry another language if you need it.
Play the video and read along with the captions. Do not skim. Listen for the places where a small word changes everything.
One wrong „ne“ can turn a sentence into its opposite. If the tool clearly did not understand a passage, go back to the original audio and type it yourself instead of guessing from context. A caption that sounds plausible but says something else is worse than no caption at all.
A caption should not disappear in the middle of a thought, and it should not stay on screen long after the speaker has moved on. Break long sentences into natural chunks. Read each chunk out loud at normal speed. If you run out of breath, the caption is too long.
Adjust the timing against the real speech, not against the length of the text. A slow speaker needs a longer caption on screen than a fast one, even for the same number of words. Watch the last word of each caption and make sure it lands when the speaker says it.
Most people will watch your clip on a small screen, often while walking or standing in a queue. Choose a readable size and enough separation between the text and the background.
Light letters can vanish against a white shirt or a bright wall. A shadow, an outline or a solid background strip fixes that. Keep the captions away from hands, faces and any product detail you want people to see. If the caption covers the thing you are talking about, move the caption, not the shot.
Play the exported version with the sound off. If the video still makes sense and the captions are comfortable to read, they are doing their job. Captions exist to make the content accessible, not to compete with the footage for attention.
If you are unsure how the result should look, look for a worked example on a short vertical clip before you start editing your own.
Upload your own phone clips and photos. The assistant asks at most a couple of questions and proposes three concepts. Pick one, and Relsko produces three cut variants of that concept for you to compare. Download the one you like. Standard export is available to everyone, and animated captions are in beta. You can register for 30 days of full access without a card, and invitations extend it. Afterwards there is a free level with a small watermark.
Keep the limits in mind: up to 50 files per upload, 200 per project, 2 GB per file, and video length between 10 and 35 seconds. Processing time depends on the length of your footage, the captions and the current load, so leave yourself a little room before you need the video.
Kurz gesagt: Set the language to Czech first, check the transcript against the audio, and only then style the captions.
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