“Cat strange behaviour” : Perceptual realism of 2D animated lip-sync

Aliman, Nur Hazirah (2021) “Cat strange behaviour” : Perceptual realism of 2D animated lip-sync. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

“Cat Strange Behaviour” is a 2D animation that focuses on the perceptual realism of animated lip synchronization. Lip-sync (short for lip synchronization) is a term that refers to the process of matching lip movements with sound or spoken vocals. Moreover, real-time lip-sync animation is a method that will bring a virtual computer-generated character to life by synchronizing precise lip movement and sound in real-time. However, the development of realistic lip movement is difficult because the lip shape and position must synchronize with the spoken sounds. Consequently, viseme is used as a technique to the basic animation parameters in assessing visual similarities between various phonemes that included voice processing, speech recognition and computer face animation based on human speech mainly focus on the English language. The accuracy of lip motion capture of human with character performance in real-time and speech recognition is analyzed. As a result, perceptual realism is crucial for lip-sync animation for applying viseme-based human lip shapes in the English language to map the mouth and sound in real-time animation character. It is also provided as a guide for lip-sync animation, demonstrating how to employ simple synchronization tactics to increase the accuracy and create a more realistic visual impression, as well as how to include advanced features into lip synchronization application.

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