How Alexa learned to speak with an Irish accent
No training data, no problem. Amazon cracked voice conversion to give Alexa an Irish accent without traditional speech mapping.

Why it matters
This demonstrates how AI companies are solving data scarcity challenges through innovative synthetic data generation, potentially accelerating global AI localization efforts.
The key facts
3 to knowVoice conversion technique used instead of traditional phoneme mapping
Synthetic training data generated in Alexa's own voice
Irish accent implementation with limited training data
Go to the source
Amazon Scienceamazon.science
Publisher excerpt: With little training data and no mapping of speech to phonemes, Amazon researchers used voice conversion to generate Irish-accented training data in Alexa’s own voice.

