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ajay bhutani's Questions & Answers

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What is cross color?

Asked by hello arora in TV & Radio at 12:24 AM on April 25, 2008

ajay bhutani's Answer

Spurious colored, mostly pinkish and bluish, swirls or streaks amongst or swamping out pinstripes and other fine picture detail, caused by small amounts of luminance signal present in the signal going into the color circuits. This situation is the result of imperfect Y/C separation by the comb filter (or notch and bandpass filters in less expensive TV sets).

Answered at 6:11 PM on April 26, 2008

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What is open matte?

Asked by hello arora in TV & Radio at 12:25 AM on April 25, 2008

ajay bhutani's Answer

Video edition of a movie originally filmed soft-matte (q.v.) where more material above and below what should be shown in the theater is included to fill the TV screen.

Answered at 6:10 PM on April 26, 2008

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What is twin lead?

Asked by hello arora in TV & Radio at 12:26 AM on April 25, 2008

ajay bhutani's Answer

A wire containing two wires widely separated in a thin flat wire use for connecting to aerial antennas. Sometimes called 300 Ohm.

Answered at 6:09 PM on April 26, 2008

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What is time base corrector?

Asked by hello arora in TV & Radio at 12:26 AM on April 25, 2008

ajay bhutani's Answer

Circuitry in a laserdisk player or VCR used to compensate for slight irregularities in disk rotation or tape movement which irregularities would otherwise result in scan lines' beginning at different horizontal positions on the screen and thereby cause vertical lines and edges as well as the entire picture to appear wavy.

Answered at 6:09 PM on April 26, 2008

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What is OAR?

Asked by hello arora in TV & Radio at 12:25 AM on April 25, 2008

ajay bhutani's Answer

Original Aspect Ratio.

Answered at 6:10 PM on April 26, 2008

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wHAT IS thx?

Asked by hello arora in TV & Radio at 12:25 AM on April 25, 2008

ajay bhutani's Answer

Trademark for theater design guidelines including seating guidelines, and surround sound technology developed by George Lucas and named after one of his films, THX1138. The purpose was to ensure that a film "looks and sounds the same way" wherever presented. Complying theaters must choose equipment from an approved list of items and rent a specific electronic crossover network (bass/treble frequency divider) for the sound system. In video, THX refers to certain video and surround sound audio encoding on laser disks and DVD's. One video test pattern offered by THX has additional fine gray scales for near black shades including blacker than black and near white shades.

Answered at 6:10 PM on April 26, 2008

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