Voice assistant

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A virtual assistant is defined by wikipedia in this way:

An intelligent virtual assistant (IVA) or intelligent personal assistant (IPA) is a software agent that can perform tasks or services for an individual based on commands or questions. The term "chatbot" is sometimes used to refer to virtual assistants generally or specifically accessed by online chat. In some cases, online chat programs are exclusively for entertainment purposes. Some virtual assistants are able to interpret human speech and respond via synthesized voices. Users can ask their assistants questions, control home automation devices and media playback via voice, and manage other basic tasks such as email, to-do lists, and calendars with verbal commands. A similar concept, however with differences, lays under the dialogue systems.[1]

A voice assistant is so a special case of virtual assistant, where the human-computer interaction is mainly done via voice (voicefirst).

Smartspeakers are HW device terminals that enable humans to interact with a (voice) assistant. Mycroft and Sepia are examples for open voice assistants.

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