TTS=text-to-speech, so it's quite reasonable to showcase that chain instead of an edited video. Not diminishing the quality of your product, just pointing out

TTS=text-to-speech, so it's quite reasonable to showcase that chain instead of an edited video. Not diminishing the quality of your product, just pointing out an obvious expectation of the audience that it's presented to. Perhaps, there could be a way to test-drive it directly, with limited choices or combinations of the input text.