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Compression techniques that lose some of the data when compressing the file. Although lossy compression isn't acceptable for compressing application file and certain types of data files (for example, database, word processing), it is often acceptable to have a low degree of loss when compressing video or graphic files, since you likely won't notice the missing data. Also, lossy compression can gain considerably higher compression ratios than "lossless" compression. However, when using lossy compression, you don't want to decompress the file, then use the result to recompress, as the loss of data gets worse with each cycle. |
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