E-Mu B-3 Instructions d'exploitation télécharger pdf (Page 64)

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Chapter 5: Effects Section 55

• Ring Modulator

A Ring Modulator is a device which takes two signals and multiplies

them together into one resultant signal containing only the sum and

difference frequencies of the two input waves. The original frequen-

cies are not output! However, every harmonic of each signal multiplies

every other, according to its amplitude. As a result, ring modulators

tend to generate a lot of non-harmonic frequencies which can sound

very bell-like or out of tune.

This diagram shows the result of Ring Modulating two sine waves with frequencies of

200 Hz and 800 Hz. Only the Sum and Difference frequencies of 1000 Hz and 600

Hz will result.

EFFECTS SECTION

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E-Mu B-3 Instructions d'exploitation Page 64

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