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There is nothing mystical about it, and it can be easily verified. Do compression of wav file with any of those lossless compressors (but beware not to use hybrid compression): FLAC, Wavpack, Ape and so forth, then restore it to the wav and make binary comparison between initial and last file - files will be the same. You can try the same with WinZip or WinRar, result will be the same.

Only metadata or some tags will be affected on some lossless compression, but since I store no data with wave file, there is no trouble.


----- Original Message ----- From: "McCormick, Kathleen" <kmccormi@xxxxxxxxxxxxxx>
To: <ARSCLIST@xxxxxxxxxxxx>
Sent: Friday, October 27, 2006 4:48 AM

Our systems administrator is pushing hard for us to use FLAC to save and store audio files (as a replacement for wav) and seems impervious to my hesitations (and subsequent explanations) about any type of compression for digital audio (I'm speaking here of our preservation/archival copies), even so called lossless compression.

If FLAC really does what it sells itself as doing and has no negative impact on audio, then it's something to look into but I need more information before I'm willing to believe that this is no effect.

I appreciate the help and information.

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