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  • In the world of liquid crystal display TVs, the term 1080 refers to the number of lines of resolution in the picture on the screen, the highest number currently available in this generation of high-definition televisions.

    Significance

    Lines of resolution are what give an image on a TV screen its definition and clarity. LCD display TVs with 1080 horizontal scan lines of resolution produce images more than four times sharper than standard TVs.

    Types

    There are two types of 1080 broadcasts. 1080i (interlaced) consist of images that are interlaced in a two-pass process. 1080p (progressive scan) consist of images created in a single pass.

    Effects

    Theoretically, 1080i broadcasts are clearer than 1080p because they create images with a two-pass process that fills in lines of resolution that are skipped by progressive scan.

    Benefits

    TVs that can receive and project 1080 images produce sharper images that are more than four times clearer than images broadcast by a standard TV, which has 240 lines of resolution.

    Drawbacks

    The only drawback to 1080 LCD TVs is the price. The state-of-the-art LCD tubes needed to project high-definition images are up to three times as expensive as standard TVs of the same size.

    Source:

    1080 TV

    Lines of Resolution on TVs

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