Subject: Re: Frequency response was Re: [linux-audio-user] Audiophile CD's
From: Malcolm Smith (spock_AT_canopus22.demon.co.uk)
Date: Tue Jan 29 2002 - 00:30:37 EET
>not until there is downward aliasing or differential (*) tones.
>
>(*) is this the correct term ? i'm thinking of f(beat) = abs(f1 -
>f2) or ring modulators.
>
I think you mean _difference tones_. A Google search yields more pages
than I can shake a tuning fork at, for example:
A toy whistle emits tones at 2081, 1896, and 1727 Hz.
Subjective difference tones at 169, 185, and 374 Hz are
clearly audible.
-- Malcolm Smith
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