The circuit was conventionally designed with eight LED audio level meter made out of two low power quad op-amps which utilizes LM324. Volume Unit – an entity equal to a decibel for expressing the ...

The circuit was designed by two monolithic integrated circuits to measure the level of audio signals whose unit of measurement is known as volume unit. Volume Unit – an entity equal to a decibel for ...

Please Note: Blog posts are not selected, edited or screened by Seeking Alpha editors. If you would like to measure the exposure of a person to unwanted noise for a certain period, you can easily know ...