Additionally, {HEAD ~ an audio visual synthetic speech system} constructed according to {TAIL ~ the principles} of the invention is capable of real time adaptive synchronization, that is resynchronizing at any time the audio and video portions if they become unsynchronized 
constructed according to
Additionally , { HEAD ~ an audio visual synthetic speech system } constructed according to { TAIL ~ the principles } of the invention is capable of real time adaptive synchronization , that is resynchronizing at any time the audio and video portions if they become unsynchronized
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