What Automatic AI Voice Quality Scores Actually Measure (And When to Ignore Them)
Two tools exist to score AI-generated speech automatically, without a human ever listening: UTMOS and NISQA-TTS, both “no-reference” quality predictors that output a 1-5 score. We ran them against real human listening across two separate tests, and found something worth knowing before you trust either one to pick a text-to-speech provider: they don’t always agree […]
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