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) Subtítulos

El formato de subtítulos de texto plano más compatible, con números de índice, marcas de tiempo con comas y líneas de texto.

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WebVTT (VTT) Formato

Formato de subtítulos HTML5 con marcas de tiempo con punto decimal, estilos CSS y posiciones adaptables.

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LRC (Letras)

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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Subtítulo Cerrado

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

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Subtítulo

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

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Transcripción

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

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Marca de Tiempo

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

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Forma de Onda

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

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Sincronización

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

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Desplazamiento de Subtítulos

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

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Sincronización de Karaoke

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

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