Abstract: Job interview preparation is crucial, but many candidates find it difficult. Candidates often lack interactivity or real-time feedback when using traditional study methods. We introduce an AI-driven mock interview assistant with an animated 2D avatar and voice interaction to simulate realistic interview scenarios. Our system employs advanced natural language processing (OpenAI GPT API) for dynamic question generation and answer review, automated voice input recognition (Google Speech-to-Text) to receive user answers, and speech output as well as real-time lip-sync (Live2D Cubism and Wav2Lip) to animate an interviewer. The assistant combines these capabilities can conduct technical and HR mock interviews, critique answers, and engage users through auditory, visual, and textual communication. We describe the system design, AI and animation techniques, and potential applications in interview practice, online education, and interactive training. Our experiments show that an embodied conversational agent can improve the interview practice experience by adding interactivity, realism, and engagement.
Keywords: Mock Interview, Conversational AI, 2D Animated Avatar, Speech Recognition, Lip Sync, Natural Language Processing, Interview Preparation, Virtual Assistant, EdTech, Live2D Cubism, OpenAI GPT, Wav2Lip.
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DOI:
10.17148/IJARCCE.2025.14611
