This point ends up about two-thirds of the way across the scale. Typical VU meter. Source: Hoyt Meter The scale to the left of the zero point is generally in black, with a value of -20 dB all the ...

The electroacoustic equivalent to SPL is measured with a VU METER. Because the square of the sound pressure ... The difference in decibels between the two readings is found on the upper scale, and the ...