human versus computer therapist

The most efficient  approch involves establishing a parallel virtual world in the computer of  each linked user. what is  communicated  between users is neither a new  replica of  the entire world for each time slice nor a replica of the changes that occur between time slice the mpeg what is commnicated is a set of coordinates for movements. each user's computer must performs all necessary calculation locally and render image and sounds in accordance with both the state of  the world and the characteristics of each user .in a sense, then, the object  in virtual world in each user;s computer are puppets whose strings are being pulled via transmissions sent over the internet.

In thise scheme ,a therapist would be depicted through control signals that active a model of the therapist operated on the patient's  machine . these control signals can produced facial expressions. in a similat manner , speech can be rendered as separately coded collections  of  phonemes, pitch and  timbre, and  accent .pulse entertainment, inc, a maker of 3-D animation software (http://www.pulse3d.com), has taken a  first step in synthesizing facial expressions.

within 5 minutes of obtainging a two -diensional photo, this technology may make it possible  to create 3-D virtual clones of people , complete with lip-syncing and text to speech capabilites. there are distinct advantagesto transmitting the meaning of an audio communication rather than a depiction of the mening of an auido compreesion may br greater. the compression also  facilitates synchronizing the audio  with the visual and tactike components  the virtual  reality experience. furthermore, the implications  of material that has been analyzed in terms of phonemes and  timbre  lend themselves to research and to automated classification  and  interapists  can more  easily  generate realistic  speech in  the manner described than  thay can  seamlessly assemble  waveforms sound bites froms a library.

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