ブログ
チームからの洞察、アップデート、ストーリー
Guides
What Is a VTT File? The WebVTT Format, an Example, and What Browsers Actually Show
A VTT (WebVTT) file is the subtitle format of web video. The exact format, a real example, and what Chrome and Safari did with 17 features and 18 broken files.
Guides
Subtitles Out of Sync? The 4 Causes and How to Fix Each One
Out-of-sync subtitles are an offset, a frame-rate drift, a cut, or bad line timing. How to tell which in two minutes, the fix for each, and what we measured in AI subtitles.
Guides
Can ChatGPT Transcribe Audio? We Uploaded a Real Recording to Find Out
We uploaded a one-minute, two-speaker MP3 to ChatGPT and asked for a transcript. What happened, the three ways ChatGPT can transcribe, and the limits.
Guides
Transcript Examples: Timestamps, Speaker Labels and Formatting, From a Real AI Transcript
Real transcript examples from one two-speaker recording, with raw AI output, speaker labels, timestamps, timecodes and a video transcript, plus what to fix.
Guides
What Is an SRT File? The Format, an Example, and the Mistakes That Break It
An SRT file is a plain-text subtitle file of numbered, timed cues. The exact format, a real example, and what we found feeding 16 broken SRTs to ffmpeg.
Guides
Subtitle Reading Speed (CPS): The Limits, and Why AI Subtitles Break Them
CPS limits from Netflix and the BBC, how to convert words per minute to CPS, and a test showing most too-fast AI subtitles are a timing problem, not text.