There seems to be a total misunderstanding by many as to the ability to just "look" at a waveform display of an audio file and deduce from this its original sample rate if it has been upsampled. The reality is that this is not possible.
There is no "fingerprint" that can be discovered in a downloaded music file to determine if you have been tricked into buying an upsampled track. Here is our friend Bruce implying that he can do this: "I'm finding more and more labels that take the RBCD layer and just upsample it to DSD and call it an SACD. I've checked almost a hundred today for HDtracks and over half are upsampled. Go figure.... Regards, Bruce A. Brown Puget Sound Studios Seattle, WA" http://www.whatsbestforum.com/showthread.php?1037-Upsampled-SACD-s&p=10655 However in reality there is nothing to check in an audio file that will give you conclusive evidence as to the original sample rate of the source material if it was upsampled. You can't look at the file's "properties" to determine its original sample rate. You can't look at a waveform display to determine its original sample rate. Once an audio file is upsampled, all traces of its original sample rate are gone and even if you were the greatest audio engineer in the world, you can't do it. I am making this comment for these reasons: 1. To correct misunderstandings. 2. To emphasize over and over again that if you dare to spend your money on anything represented to be "high resolution" audio, you are doing it on pure faith and trust that the vendor is being honest with you. And lets define for a moment what honesty means. It means if you are a vendor selling alleged high resolution audio, then you are OBLIGATED to know the ORIGINAL source of the material you are selling and HOW it was converted to a downloadable format. And this information needs to be DISCLOSED to the potential buyer. If you dont do this, you have NO RIGHT to represent that you are selling alleged high resolution audio. And a vendor has no right to assume that just because an album is available on SACD that it is high resolution. Conclusion: Let the buyer beware! -- mortslim ------------------------------------------------------------------------ mortslim's Profile: http://forums.slimdevices.com/member.php?userid=11039 View this thread: http://forums.slimdevices.com/showthread.php?t=74688
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