(1) Creating a film or electronic image of any picture or paper form. It is accomplished by scanning or photographing an object and turning it into a matrix of dots (bitmap), the meaning of which is unknown to the computer, only to the human viewer. Scanned images of text may be encoded into computer data (ASCII or EBCDIC) with page recognition software (OCR). See micrographics, image processing and document imaging.
(2) Creating the illusion of a live performance with audio components by positioning sounds in different locations. Stereo and surround sound enhancements are designed to make listeners feel that they are in a real theater, night club or some other venue where music is being played live.
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