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Apple's iOS 27 Siri uses WaveRNN and FastSpeech2 for text-to-speech
Apple is deploying WaveRNN and FastSpeech2 models in iOS 27 Siri's text-to-speech system, discovered in iOS Simulator files in Espresso format.
1 min read
Sourcer/machinelearning
Apple has integrated WaveRNN and FastSpeech2 into iOS 27 Siri's text-to-speech engine, according to artifacts found in iOS Simulator files. Both models are compiled in Espresso format, Apple's proprietary machine learning framework for on-device inference.
The discovery reveals a two-stage architec...
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- Primary publication (lab/vendor blog) — our analysis + implication
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- r/machinelearning
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- UTC
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