Phase quadrature is sometimes used to ___

Phase quadrature is sometimes used to:

A. Increase the output from a microphone.
B. Reduce the susceptibility of a hi-fi system to EMI.
C. Create the illusion of four-channel stereo when there are really only two
channels.
D. Convert an analog signal to a digital signal, or vice- versa.

Show Answer

Answer: C

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