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Files Become Smaller In Toast Since Os X Mavericks & Yosemite



Hi everyone,

Since I'm using OS X Mavericks and now Yosemite (with a new iMac) every file I put in Toast 10 (to burn data) becomes smaller after importing. For example: a file of 366,9 MB is now only 349,9 MB. A file of 1,55 GB becomes 1,44 GB. (I mean the value that is shown in the Toast window).

After the DVD has been burned all files are back to their normal size.


Has anyone experience with such a phenomenon?

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Ever since Snow Leopard (Mac OS X 10.6), the Finder has been reporting file sizes and disk sizes in “base 10” notation, where 1 KB = 1000 bytes. Previous versions of the OS used “base 2” notation, where 1 KB = 2^10 = 1024 bytes. And Toast uses this notation as well. This small change quickly adds up for gigabyte storage. The difference isn't lost, it is just the meaning of “giga”, "mega", and "kilo" is different for Toast vs. the Finder.


366.9 MB in the Finder ≈ 366.9 * 1000 * 1000 = 366,900,000 bytes

349.9 MB in Toast ≈ 349.9 * 1024 * 1024 = 366,900,000 bytes

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