In spotlights 7-9, we look at the 9 WCAG guidelines (1.2.1 - 1.2.9) relating to making time-based media, such as audio and video content, accessible. In the previous spotlight, we covered the A and AA requirements related to using captions (WCAG 1.2.2 & 1.2.4). This week, we bring the A and AA requirements related to using transcripts and audio descriptions (WCAG 1.2.1, 1.2.3 & 1.2.5). Next week, we’ll look at all the AAA requirements related to time-based media together (WCAG 1.2.6-1.2.9).
So, in this spotlight, let’s have a look at the A and AA requirements related to transcripts and audio descriptions.
According to WCAG 1.2.1 (level A), with pre-recorded audio-only content, such as podcasts, a transcript should be provided. With videos that have no sound, but have on-screen information or non-decorative visuals, either a transcript or an audio description track should be provided.
When it comes to providing audio description and/or a media alternative such as a transcript for videos with sound, there are different WCAG requirements depending on the conformance level.