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Lip synchronization using speech-assisted video processing

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3 Author(s)
Tsuhan Chen ; AT&T Bell Labs., Holmdel, NJ, USA ; Graf, H.P. ; Wang, K.

We utilize speech information to improve the quality of audio-visual communications such as videotelephony and videoconferencing. In particular, the marriage of speech analysis and image processing can solve problems related to lip synchronization. We present a technique called speech-assisted frame-rate conversion. Demonstration sequences are presented. Other applications, including speech-assisted video coding, are outlined.<>

Published in:

Signal Processing Letters, IEEE  (Volume:2 ,  Issue: 4 )