An interesting comparison of Analog and digital - diyAudio
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Old 17th July 2013, 01:45 AM   #1
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This is quite a complete test... They put graphs on to see whats better...

I dont think they believed us until AFTER THE TESTS

http://web.archive.org/web/200702030...aro/part4.html
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Old 17th July 2013, 02:07 AM   #2
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Join Date: Mar 2007
Location: California
From the concluding remarks:
"But it is also true that LPs have higher distortion levels which translate to ultrasonic frequency harmonics."

This was discernible in the plots shown. What was not discussed is the "harmonics" from the distortion of the analog vinyl playback system that lie within the audible region of the spectrum. It would be interesting to see what these distortion products look like - are they "tubey" even order products or something else? It's been documented that even order distortion like that produced from vacuum tubes is "pleasing to the ear", nevertheless it is content that is NOT present in the original signal. This might explain why CDs sound "lifeless" to vinylphiles...

-Charlie
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Old 17th July 2013, 02:33 AM   #3
petervr is offline petervr  New Zealand
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Join Date: May 2013
FWIW, this article is from 2004, so quite old.

Digital technology has progressed quite a bit since then.

Particularly 192khz /24 bit hi-res digital (provided it was recorded in this format rather than upsampled) is a major step or two up from standard CD Red Book format (44.1khz / 16 bit).

I have listened to some of these hi res files and to my ears anyway, they are much better than standard CD.
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