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In Reply to: RE: WAV better than FLAC accoring to Absolute Sound.. posted by PeterZ on January 9, 2012 at 10:27:55
There's a much longer discussion on FLAC files in the PC / Computer Audio section of the Asylum.
Since the original WAV file converted to FLAC, and the FLAC file converted back to WAV remain bit for bit identical, it stands to reason that any audible differences must be caused during playback, and not due to any corruption of the FLAC file itself.
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"Since the original WAV file converted to FLAC, and the FLAC file converted back to WAV remain bit for bit identical, it stands to reason that any audible differences must be caused during playback, and not due to any corruption of the FLAC file itself."
Reason is inapplicable.
I figured if files can be converted back and forth bit for bit, any audible difference must be due to something other than the files themselves. Wouldn't it be reasonable then to consider the playback process on the files?
Tony stated "reason is inapplicable". Maybe not your reason.
Either way, if the file is converted back and it is equivalent to the .wav file than it should be the same when played - as long as the processing of the flac to wav is not occurring at the same time as the playback. If the conversion occurs at the same time then we have timing, power consumption, and noise considerations that will possibly affect the sound.
This is one reason to just have the full file in uncompressed form in memory to avoid the - read from disk, decompression, and playback at the same time. These actions all have impacts on interrupts and timings in the computer (discounting power supply noise and draw). The ear may be able to perceive them. Bottom line is if the data is identical then it is something outside of the data causing a problem and does not prove one format worse than the other.
Imagine if your compressed zip files couldn't be uncompressed without modifying your name and address :)
What I meant to say is that for some people reason is not part of their process of reaching conclusions. Let's leave it at that, I'd rather not get too specific. :-)
Tony Lauck
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
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