The circuit shows the peak level of the audio input using MOSFET Op-Amp. Audio level meters are designed to allow the optimum setting of input level for various sound functions. It utilizes a Metal ...

An example of a digital meter that was designed to display both VU standard response and peak tracking. Some excellent articles have appeared lately on the history and use of audio level meters in ...

An instrument for measuring the level of sound pressure in DECIBELs. Such measurements are called sound level readings. See: SOUND LEVEL. Sound level meters usually ...

The sound level meter is an instrument used to real-time measure the sound level,such as sound level around factories,workshops,schools,residential,offices,road,audio etc (Battery not include), Can ...

This sound level meter circuit can be used to control the intensity of a sound recording or in a disco. It has 5 measurement domains between 70 and 120 dB; reading accuracy is 0.5 dB. Microphone M1 is ...