Captions & Subtitles

What is Transcription?

Transcription is the process of converting spoken audio from a video or audio recording into written text, producing a verbatim or edited text document representing the spoken content.

Transcription Explained

Transcription is foundational to several video production workflows. Accurate transcripts enable AI-powered captioning with word-level timestamps, searchable video content, highlight detection for clipping, and repurposing into written formats like blog posts or newsletters. Automatic speech recognition (ASR) systems such as Whisper (OpenAI), Deepgram, and AssemblyAI achieve near-human accuracy on clear audio, producing transcripts with per-word timestamps at a fraction of the time and cost of human transcription. Transcription quality depends on audio clarity, speaker accent, background noise, and the presence of technical vocabulary. BlitzReels uses AI transcription to generate the word-level timing data that powers its caption animations, clip suggestions, and content analysis features.

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Related Terms

AI Captions

AI captions are automatically generated text overlays synchronized to spoken audio in a video, created using speech recognition AI that transcribes audio and places text with word-level timing.

Word-Level Sync

Word-level sync is a captioning precision where each individual word is timed to appear or animate at the exact moment it is spoken in the audio, rather than showing full sentences at once.

SRT Subtitles

SRT (SubRip Text) is a plain-text subtitle file format that stores timed text with sequence numbers, timestamps, and subtitle content for displaying text over video.

Video Clipping

Video clipping is the process of extracting short, high-value segments from longer video content for distribution as standalone clips on social media platforms.