INTERACTIVE TELIVISION.

The future of the television is undoubtedly digital .Television or video signals can be converted from their normal analogue form (continuously varying ) into a digital form .Which consists of a series of definite pulses rather than Morse code .Digital signals can be transmitted ,compressed,and manipulated by computers without any " noise"affecting the data .One of the advantages of digital technology is that video data can be manipulated to make interactive television possible.Interactive " video on demand "(VOD) service allow users to watch the material of their choice from a large central video vault .A digital server enables many users to watch the same film.Starting at different times,by sending the video data in small " packets".to them.Other service include news programmes ,games,music, and electronic shopping.With the latter the user "scrolls" through a virtual shop. and uses a credit card to buy items.Which are then delivered to the home within days.
CINEMA BY COMPUTER.
Disney productions' toy story (1995)was the world's first feature film to be generated entirely on computer.A team of 27 animators worked on the film .producing an average of 31/2minutes of footage per week .Some of the characters and scenes were created solely on computer,where as others were set up with models.
INTERACTIVE TELEVISION

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