Speaker IDs and Non-Speech in Captions
A style guide for speaker labels, bracketed sound, italics for off-screen speech, and music cues that auto-captions drop and d/Deaf viewers actually need.
8 min read
Transcripts as readable documents, not dumps
Turn a caption dump into a transcript with headings, speaker labels, and optional timestamps so the page is useful even if the video never plays.
8 min read
WCAG 2.2 AA for Players, Not Just Captions
A player audit sheet for WCAG 2.2 AA: keyboard, pause/stop/hide, audio control, chrome contrast, and captions that work in the embed.
8 min read
Captioning a month of clips: the credit math
Prices a realistic month of short-form captioning in base renders, and shows why the clips you cull move the bill as much as the preset tier does.
8 min read
Captions run early after the first two minutes
Segment timestamps and 30-second window rounding accumulate. Use VAD-first segmentation, forced alignment, and a frame-rate check before you generate cues.
8 min read
Karaoke captions vs static blocks, by format
Word-by-word burn-in holds in short-form and fatigues in long-form. The per-format rule, and how to catch caption-style cost at specific timestamps.
9 min read
Keeping captions in sync with a dub
Captions burned before a dub drift against the translated audio. The fix is an order of operations that transcribes each dubbed track on its own.
9 min read
The features endpoints as standalone utilities
Frame extraction, merging, audio attach, isolation, and captioning run on their own. Treat them as pipeline steps, not as buttons inside the editor.
9 min read
Caption length shrinks TikTok's safe zone
TikTok's own ad docs say the usable frame contracts as caption text grows, which makes caption copy a layout input you decide before the export, not after.
9 min read
The delivery spec that earns repeat UGC orders
Most creators lose the re-order at handoff, not on creative. The aspect-ratio set, safe zones, caption files, frame rate and naming that make a folder usable.
9 min read
Variable frame rate breaks caption timing
Phone footage and screen recordings often carry variable frame rate. Detect VFR, transcode to a constant rate, then caption so cues stop drifting.
9 min read
Burned-In Captions vs SRT and VTT Sidecars
Burned-in captions survive re-upload and look designed. SRT and VTT sidecars stay searchable and swap language instantly. Pick per destination.
7 min read
Caption Readability: Reading Speed, Line Breaks, Contrast
A word-perfect caption track can still be unreadable. Transcription gets the words right — pacing, line breaks, and contrast are a separate craft on top.
9 min read
How to choose a caption font from the registry
A guessed font name doesn't error — it just doesn't do what you asked. What each font category does to legibility at caption size on moving footage.
7 min read
Previewing a Caption Style on Five Seconds of Your Own Video
The same caption preset reads differently over a bright kitchen than a dim night shot. Preview two styles on five seconds of your footage before committing.
7 min read
The European Accessibility Act and Your Video Library
The Act's main deadline already passed in 2025. A narrower grace period runs to 2030 for unchanged services — how to triage a back catalogue against both.
7 min read
The Transcript as a Content Asset
Every talking-head video already contains its own transcript. What it's actually raw material for, and why the text file outlasts the burned-in caption.
7 min read
Transcription Language Coverage vs Dubbing Language Coverage
Transcription covers 165 language codes. Dubbing covers 25. Six TTS engines each cover a different subset. Here is the real coverage picture, snapshot dated.
7 min read
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