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electronics and communication engineering communication systems
1. Dolby system of noise reduction divides the total audio spectrum into
(A): 2 frequency bands
(B): 4 frequency bands
(C): 8 frequency bands
(D): none of the above
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By: guest on 01 Jun 2017 11.49 pm
Dolby A system divides the frequency in 4 bands viz.f < 80 Hz, 80 Hz < f < 2999 Hz, f > 3000 Hz, f > 9000 Hz.
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