iOS 27 Siri to utilize WaveRNN and FastSpeech2

Core summary

One sentence to understand this update

Analysis of iOS Simulator files suggests that iOS 27 Siri will incorporate WaveRNN and FastSpeech2 for its speech generation capabilities.

Impact & opportunity

What this could mean

This signals a trend in mobile AI towards advanced neural vocoders and text-to-speech models, which could inspire developers to explore similar techniques for high-quality audio generation in their apps.