It's easy enough to test the lossless "theory" using a hash algorithm.

http://en.wikipedia.org/wiki/Hash_function

Just as a text file doesn't change after being zipped and unzipped,
neither will music bits change with lossless compression and
decompression.

Losssless compression is essentially "shorthand".  Instead of reading
"zero, zero, zero, zero, zero, zero", the sequence is notated as "6
zeroes".  This saves a little space, and when read back, produces the
exact same number pattern.

On a more practical note, WAV files have no provision for metadata
(tags).  FLAC files do.  Managing a collection without the benefit of
tags is extremely cumbersome.  I'd use FLAC for that reason alone, even
if there was a detectable difference in sound quality.  Thankfully, with
FLAC I don't lose anything.


-- 
Pale Blue Ego
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View this thread: http://forums.slimdevices.com/showthread.php?t=21700

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