Based on the result of interpretation, the system decides which audio file to be used as response. Whenever there is a question being asked, the system will use Speech-to-Text system to convert human speech to text and Natural Language Processing to interpret the intent behind the text. Whereas, face expression recognition enables the system to detect the facial expression of the human user. Face detection and recognition makes the system aware of the human user’s identity. ![]() Besides that, the 3D avatar can display different facial expressions such as happy, sad and upset. The 3D avatar (Alice) is a female character animated using Unity and the lip is animated to sync with the speech to make it looks like speaking. ![]() ![]() This virtual assistant is a combination of 3D avatar, face detection, face recognition and face expression recognition with a voice assistant that similar to Amazon’s Alexa. In this paper, a virtual assistant framework called Alice is presented.
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June 2023
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