Communication Systems

Q1: Dolby system of noise reduction divides the total audio spectrum into

A 8 frequency bands

B 4 frequency bands

C 2 frequency bands

D none of the above

ANS:B - 4 frequency bands

Dolby A system divides the frequency in 4 bands viz.f < 80 Hz, 80 Hz < f < 2999 Hz, f > 3000 Hz, f > 9000 Hz.



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.