What We Learned Letting People Preview a Cloned Voice First

The first version of our onboarding asked people to commit before they heard anything. They did not commit.

So we moved the preview to the front. The change was small and the effect was not: people started testing awkward sentences on purpose, which is exactly the behaviour we wanted. A preview is not a demo, it is a debugging tool for expectations.

Three things came out of it. First, users judge a voice by one difficult sentence, not by an average. A proper noun, a number, a borrowed word. Second, they want to change the script without starting over. Third, they notice a bad preview faster than they notice a slow one.

What we got wrong: we assumed a longer sample would always help. It does not. A clean short recording beats a noisy long one, and pretending otherwise wastes everyone's time.

We also stopped adding a disclosure line to the end of every post. It belongs where the product is actually mentioned, not as a template.

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