Speech synthesizer learns expressive style from one-second voice sample
9% more natural. That's what Amazon achieved with just one second of voice data.

Why it matters
Amazon's breakthrough in expressive speech synthesis could transform voice AI applications from customer service to content creation, requiring minimal training data compared to competitors.
The key facts
3 to know9% improvement in naturalness compared to standard synthesized speech
Requires only one-second voice sample for style transfer
Technology developed by Amazon Science team
Go to the source
Amazon Scienceamazon.science
Publisher excerpt: Users find speech with transferred expression 9% more natural than standard synthesized speech.