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Forum: Pentax DSLR Discussion 08-27-2009, 08:31 AM  
Jpeg shooters, I have a question
Posted By egordon99
Replies: 10
Views: 2,274
Not when the compression is LOSSY ;)

Two kinds of compression exist; LOSSLESS is like using WinZip to zip up a bunch of Word files. You're able to unzip the Word files and you have not lost ANY data.

LOSSY actually tosses out data that can NOT be retrieved. JPGs (generally) use LOSSY compression as does mp3 for audio files.
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