Re: [NTLK] [OT] Checking in / iPod Comments...

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Jon Glass (jonglass_at_usa.net) wrote:

> Each sound creates harmonics. A 20khz sound creates harmonics both upward
> and downward into definitely audible hearing range.

Harmonics _below_ the base frequency?

> The sudden cutoff on early CDs created a very audible, and
> fatiguing (over long periods of time) artifact.

You mean the aliasing that occurs when you don't apply a low-pass prior
to the AD conversion? But that hasn't got to do anything with harmonics
(and is easily avoided).

- Michael

Michael J. Hussmann

E-mail: michael_at_michael-hussmann.de
WWW: http://michael-hussmann.de

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