Meet the winners of Phase 2 of the PREPARE Challenge
DrivenData Labs
MAY 1, 2025
The final sub-models use broad semantic clustering, an ensemble of the provided acoustic features, a Whisper classification fine-tune, and a contrastive Whisper fine-tune, designed to focus the model on identifying features independent of age, gender, and semantic group. Cluster 0 was in English and included many people talking to an Alexa.
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