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When people communicate across video conference links we may not only want to hear the
foreign speaker speak in our own language, but also see his lips move accordingly. Vision
processing, face and eye tracking combined with a little computer graphics manipulation make it possible.
Above, we see our travel agent Max speak in German at the transmitting end. ....And in the US,
voilà: hear and see him speak English. The technique also
saves bandwidth, since only preselected codes for lip shapes (and/or facial gestures) need to
be transmitted.
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