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HDTV standards

HDTV Standards
Knowing the standard of your HDTV helps your devices communicate with one another.

Different HDTV technologies will have different resolutions, which will dictate whether your TV is 720p or 1080i. But what do all the letters and numbers mean, and how will they affect the quality of your picture?

Resolution refers to how many pixels will make up your TV screen, and is important in dictating the quality of a high definition TV. The higher the resolution, the better the quality of your image will be.

'Interlaced' resolution verses 'Progressive' resolution also different, with progressive resolution better at conveying high definition pictures and those images that are fast moving.

The following table dictates the common technologies and what resolutions they operate by.

 

Resolution Pixel count
Also known as Common Technologies
576p (25Hz) 576 x 704/720 Standard definition VHS
576p (50Hz) 576 x 704/720 Enhanced definition (technically HD in Australia) TV broadcasting
720p 720 x 1280 High definition TV broadcasting
1080i 1080 x 1920 High definition DVD players, TV broadcasting
1080p 1080 x 1920 Full HD Blu-ray players, Playstation 3, XBox 360

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