Sound-synchronized video system
Patent 5608839 Issued on March 4, 1997. Estimated Expiration Date: 
June 21, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 21, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesApparatus for providing facial image animation Dialog between TV movies and human viewers Audio visual speech recognition Image encoding and synthesis Speech transformation system Patent #: 5327521 InventorApplicationNo. 263271 filed on 06/21/1994US Classes:704/235, Speech to image704/231, Recognition704/270ApplicationExaminersPrimary: Hafiz, Tariq R.Foreign Patent References
International ClassesG10L 005/06G10L 009/00 AbstractA stream of unsynchronized audio signal, representing speech and video signal of a speaker, is processed by decoding the signal, memorizing a plurality of visemes corresponding to phonemes in the audio signal, fetching from the plurality visemes corresponding to phonemes in the audio signal, and imparting a synchronism to the video signal and audio signal by applying the fetched visemes to the unsynchronized video signal of the stream in synchronism with corresponding phonemes in the audio signal of the stream. According to an embodiment, the fetching step includes fetching visemes of the lip movement. The system is suitable for use in a videophone.Other References
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