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In Reply to: RE: You see, son, it's like this. . . posted by Tony Lauck on September 19, 2014 at 19:11:51
I do not disagree with you about a copied file, even though it may be bit for bit identical, sounding different. In fact, that was one of the main points I made in my OP, where the copied files now sound better than they did on the CD's - not because of the files themselves, but because of the different processing chain now involved. What tin was contending is that there must necessarily be a DETERIORATION in the copied file, and I still vigorously deny this. If you want to call that dogmatic, so be it.But then you bring all these other items from out of left field - compression, decompression, FLAC - which do not even apply to the case at hand. I was doing a straight copy from a CD to a hard disc. No compression was involved at any stage. Forget FLAC.
Also, your example of the Microsoft Word document does not involve straight copies (as I was trying to show in my example) if there was editing or other processing going on with possibly different versions of Microsoft Word. Of course changes in the file are possible after that! Duh!
All we should be discussing here is the equivalency of a straight copied file to the original. And I say again, that the computer industry would not exist today if there were a problem with this.
Edits: 09/19/14 09/20/14Follow Ups:
profile has enhanced the sound. That is as close to impossible as could be. What is possible is the placebo effect; you're fooling yourself after spending all that time and effort. And copies of copies can change, per Tony's example.
If all your discs sound better, you should be asking yourself some other questions.
Actually, if you change the bits (audio samples) in the file you may improve the sound quality, particularly if it was a bad recording to start with, but also possibly to compensate for some quirk in your playback. :-) This works best if you are prepared to keep a 24 bit file and play that as the conversion from 16 bits to floating point and back to 16 bits adds dither noise.
As to true copies of files (e.g. done by an operating system file copy), a copy may sound the same, better or worse than the original, depending on the quirks of your system. If there is any difference at all and the copies have the same bits in them then it is an indictment of the quality of your playback chain. I routinely copy files from hard drive to RAM disk before playback, because I don't like to hear any seek "clunks" from the 4 TB drive that holds my music library. This is definitely a problem with my system which sits too close to my listening position, but it is easily fixed by a copy.
Tony Lauck
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
You take a file, copy it (with no loss to the integrity of the file), then run the copy through a different processing chain for playback, and different (in this case, improved) sound results. The original file's "digital profile" (as you call it) has not been changed.Get it?
Edits: 09/20/14 09/21/14
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