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Lossy compression facts for kids

Kids Encyclopedia Facts

Lossy compression is a form of data compression where parts of the data are lost in the process. When a compressed data is returned to normal some data is lost. Lossy compression is used to greatly reduce the size of a computer file when it is stored, handled, or transmitted. As an example, JPEG is a lossy compression format. GIF and PNG are lossless compression systems. Other lossy compression systems are MP3 for sound files and WMV for video. If a file were to be compressed too much, it would cause the file to be noticeably lower in quality.

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Lossy compression Facts for Kids. Kiddle Encyclopedia.