Industry Terminology Index

Audio & Timed Text Synchronization Glossary

Detailed definitions and explanations for terms and file types used in the professional captioning and broadcast workflows.

SRT (SubRip) Sous-titres

Le format de sous-titrage en texte brut le plus compatible, comprenant des numéros d'index, des horodatages et des lignes de texte.

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WebVTT (VTT) Format

Format de sous-titrage HTML5 utilisant des décimales à point, le style CSS et les mises en page réactives.

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LRC (Paroles)

A specific audio metadata format containing line-by-line or word-by-word timestamp tags, primarily used to show synchronized lyrics during song playback.

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Légende

Text representing spoken words as well as sound effects, speaker names, and non-speech details for accessibility.

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Sous-titre

Text translations of spoken dialogues intended for viewers who do not understand the original audio language.

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Transcription

A complete textual representation of the spoken elements in an audio or video file without timing segments.

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Horodatage

A precise marker representing the exact time a word, syllable, or subtitle block appears or disappears in media playback.

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Forme d'onde

A visual representation of an audio signal showing amplitude changes over time, critical for manual subtitle alignment.

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Synchronisation

The process of matching subtitle onset times to the corresponding spoken audio signals.

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Décalage de sous-titres

The shift factor applied to translation files to push all timeline events forward or backward.

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Synchronisation karaoké

Ultra-precise temporal mapping where timestamps tag individual syllables or single words rather than whole lines.

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