![]() ![]() Viewers pay attention to speech, especially if it’s used sparingly. A TTS voiceover can also help viewers with dyslexia and other learning disabilities-and if someone has low literacy in your language, TTS is a powerful aid to comprehension. For a dramatic scene, WAI suggests fitting visual descriptions into spaces in the main audio track of your video (and planning for those spaces if necessary). The Web Accessibility Initiative (WAI), which publishes WCAG, recommends integrating these descriptions into the narration script. Web Content Accessibility Guidelines (WCAG) success criterion 1.2.5 requires audio descriptions for video. With TTS, you can add audio descriptions of your video’s content for people with vision impairments. Clickable videos let viewers play TTS narration themselves, further improving engagement. Speech is more engaging than text for many consumers, and the combination of both will serve the broadest viewership possible-without anyone’s eyes glazing over. A blend of TTS spoken content and on-screen text gives viewers two ways to engage, drawing them in and conveying your ideas more effectively. Viewers can’t absorb your message unless they’re paying attention.
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