Apple trailers: when 720p isn’t always 720p

One of the best places to look for high-quality movie trailers is Apple Trailers. They have lots of bandwidth and a large selection (altough they don’t have e.g. the new Indiana Jones 4 trailers, which are exclusively on Yahoo HD trailers). Apple typically offers its HD trailers in 3 formats: 480p, 720p and 1080p. The “p” stands for “progressive” i.e. not interlaced, every frame is a full picture instead of only the odd or even lines. The 480 in “480p” stands for the number of lines in the ima

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