Technical Guidelines

Stub

This page is a stub. You can help by expanding it.

How can I help?

Whip me into writing this page.

This section contains technical guidelines for ASS subtitles, mostly involving technical aspects that ensure subtitles display correctly, or otherwise improve accessibility for viewers.

These are largely centred on aspects of subtitling outside of directly writing subtitles, but do also touch upon performance and style override supports.

ASS Headers

Script Info section
Title
PlayRes
LayoutRes
Style definitions
Common names

Git

Commit messages
Branch naming
Pull request guidelines
Open-sourcing
Versioning

Performance

Optimising subtitle rendering
Reducing file size
"Hacks" (i.e. shadtrick)
Avoiding unnecessary complexity
Libass vs. vsfilter differences

Fonts

Font formats
Font collecting
Faux-bold and faux-italic
Font weight

Muxing

Automated approaches
Track naming
Track selection
File naming
Folder structure

Releases

File naming conventions
Release description and notes
Versioning
Hiding old releases