Subtitle editor specifications

Following environments and formats are supported by the subtitle and captions editor SHIRE.

Browsers (only desktop)

• Chrome (latest version)
• Edge (latest version)

Media formats

• video: mp4, webm, ogv, ogg
• audio: mp3

Media sources

• HTTP/HTTPS
• HTTP-Live-Streaming (HLS)
• YouTube
• local

Subtitle formats import

• VTT/WebVTT
• SRT
• TimedText
• SBV
• HORSE JS
• HORSE SHIRE
• HORSE PROJECT

Subtitle formats export

• VTT
• SRT
• Timed Text
• CSV
• TXT
• HORSE SHIRE
• HORSE PROJECT

Time formats

• frames, any rate: HH:MM:SS:FF
• milliseconds: HH:MM:SS:MSMS

Configuration

Individual configuration by JSON files or as a javascript setup variables. Full documentation available.

• Alerts (modal or snackbar)
• Help modals
• Language
• Menu
• Options
• Shortcuts
• Toolbar
• UI / Workspaces

API

• Autosave: REST API, JS API
• Save by user: REST API, JS API

Audiobuffer format

• JSON: Float32Array
• JSON: HORSE string (much smaller)