"Alternative content of time-dependent media" as required in 1.2.8 is applied to live audio. Although it is required to prepare accurate alternative contents for live audio such as radio broadcasting, this is a very difficult achievement standard.
Principle | Perceivable | Information and user interface components must be presentable to users in ways they can perceive. |
---|---|---|
Guideline | Time-based Media | Provide alternatives for time-based media. |
Criterion | Audio-only (Live) (1.2.9 AAA) |
Alternative content of time-based media that presents equivalent information to content that only includes live audio is provided. |