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Signal Processors

27 Feb

A downward expander has an input signal that ranges from -10 dB to +10 dB.  The threshold of expansion is set at 0 dB and the ratio is 1:4.5, what would the output dynamic range equal?

 

a)  45 dB

b)  50 dB

c)  55 dB

d)  65 dB

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