What type of interface do Google Now, Alexa, and Siri use?

Category: Artificial IntelligenceWhat type of interface do Google Now, Alexa, and Siri use?
Editor">Editor Staff asked 2 years ago

What type of interface do Google Now, Alexa, and Siri use?
i) Encoded Speech
ii) Vocal User Interface 
iii) Decoded Speech
iv) Audio

1 Answers
Editor">Editor Staff answered 2 years ago

ii) Vocal User Interface