WWDC23: Customize on-device speech recognition | Apple

Find out how you can improve on-device speech recognition in your app by customizing the underlying model with additional vocabulary. We’ll share how speech recognition works on device and show you how to boost specific words and phrases for more predictable transcription. Learn how you can provide specific pronunciations for words and use template support to quickly generate a full set of custom phrases - all at runtime.
For more on the Speech framework, check out “Advances in Speech Recognition” from WWDC19.
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