Subtitle
Subtitle (Text Overlay Track)
Timed text displayed over video that provides dialogue, narration, or descriptive captions, either embedded within the video container file or provided as a separate text file.
技術的詳細
Subtitle formats include SRT (SubRip, plain text with timestamps, most widely supported), VTT (WebVTT, HTML5 standard with styling support via CSS), ASS/SSA (Advanced SubStation Alpha, rich formatting and positioning for anime fansubs), and PGS (Presentation Graphic Stream, bitmap-based subtitles in Blu-ray). The HTML
例
```html <!-- Subtitle: HTML5 video with format fallback --> <video controls preload="metadata"> <source src="video.webm" type="video/webm; codecs=vp9,opus"> <source src="video.mp4" type="video/mp4"> Your browser does not support HTML5 video. </video> ```
関連ツール
R
Resolution Reference
B
Bitrate Calculator
F
Frame Rate Converter
T
Timecode Calculator
A
Aspect Ratio Calculator
F
File Size Estimator
S
Speed & Slow-Mo Calculator
S
Storage Planner
S
Subtitle Time Converter
B
Bandwidth Calculator
C
Color Space Reference
C
Codec Reference
P
Platform Specs Guide
C
Chroma Subsampling Guide
S
Screen Recording Guide