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Old 30 November 2013, 10:22   #13
Precious & fragile things

Join Date: Feb 2009
Location: Victoria, Australia
Posts: 1,927
Originally Posted by john1979 View Post
Just wondering but why did the hardware designers even consider cutting this frequency sloping downwards?

Any noise above 21khz would have been inaudible.

Most of us would struggle to hear anything above 20khz, even when in our teens.
Indeed you are right but consider the record versus CD argument, from what I understand of records they can reproduce sounds from DC - 100 KHz and although we cannot hear those higher frequencies they still interfere with the audible frequencies which we can hear ( harmonic addition / subtraction ). The idea of waves on a pond from two separate pebbles. I can also confirm that Kraftwerk on vinyl sounds better than Kraftwerk on CD. I've even done a side by side comparison of first pressing vinyl versus remastered CD.
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