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In Reply to: RE: Formats be Damned posted by J.Mac on May 28, 2007 at 13:26:04
Lossless formats are just that, lossless.
If you've ever zipped a text file, then reopened it up to see the same text, then you've experienced lossless compression. Chances are you've done something with a zip file before. You've at least done something with an .exe, which also feature lossless compression. Or an .msi.
In that case, no one says lossless, well because it has to be lossless. Its just compression. It was only till audio and video came into the computing scene that the concept of lossy compression was created.
They give you the exact same data, regardless of what that other guy says about bit rates. Bit rates are irrelevant, as they are interpreted.
Imagine the data string 000000000000000101000000000000001111111100000000000
if I said
FX01X11X01X1EX08X1BX0
to the right interpreter, it would have the exact same information. I'm sure anyone here that knows hex sees it pretty clearly. Actual lossless compression is more complex, picking up on patterns beyond repeating data like I just did.
But there is no loss of data. Thats why we say lossless.
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