No need to touch that dial. The Wall Street Journal reports that automakers are releasing automatic radio volume-control systems on their mainstream and entry-level vehicles after starting the trend ...

I have a digital clock radio with a 2" 0.5 watt, 8 ohm speaker. The issue is the digital radio volume at the lowest setting is too loud. I am considering replacing the speaker with a lower wattage ...

The function of this automatic volume control circuit is to amplify signals without distorting its dynamic compression. The amplitude differences in the signal are levelled off and the disturbing ...