Question

Which group of people have the proper name milind?

Answer 1

Netra and Medha

I think

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Answer 2

• Audio signals are AC (alternating current) electrical signals. They are typically measured as AC voltages or as decibels relative to voltage (dBu or dBV). ... Microphones are said to produce audio signals at mic level. Mic levels are nominally between 1 millivolt (−60 dBV) and 100 millivolts (−20 dBV).