Method and system for aligning natural and synthetic video to speech synthesis
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United States of America Patent
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Nov 30, 2010
Issued Date -
N/A
app pub date -
Aug 18, 2008
filing date -
Aug 5, 1997
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Abstract
According to MPEG-4's TTS architecture, facial animation can be driven by two streams simultaneously—text and Facial Animation Parameters. A Text-To-Speech converter drives the mouth shapes of the face. An encoder sends Facial Animation Parameters to the face. The text input can include codes, or bookmarks, transmitted to the Text-to-Speech converter, which are placed between and inside words. The bookmarks carry an encoder time stamp. Due to the nature of text-to-speech conversion, the encoder time stamp does not relate to real-world time, and should be interpreted as a counter. The Facial Animation Parameter stream carries the same encoder time stamp found in the bookmark of the text. The system reads the bookmark and provides the encoder time stamp and a real-time time stamp. The facial animation system associates the correct facial animation parameter with the real-time time stamp using the encoder time stamp of the bookmark as a reference.
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