Siri on iOS 27 is reportedly utilizing WaveRNN and FastSpeech2 models, discovered within the simulator's files. These models are integrated in an espresso format, suggesting an optimized deployment for on-device processing. Additionally, a CoreML model for concert ranking, identified as a logistic regression, was also found. AI
IMPACT Enhances Siri's voice synthesis and potentially other audio-related features on iOS devices.
RANK_REASON This is a product update detailing the integration of existing AI models into a consumer product, not a novel model release or research.
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