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 way at the bottom of the scale. Past the 0 dB point, the scale is ...

Last month we featured a project that aimed to recreate the iconic mechanical VU meter with an Arduino and ... but anything that helps improve the digital approximation of this sort of vintage ...

Although 0 VU is shown on a VU meter as the point of 100% MODULATION, it is not identical to the reference called zero level, which in fact refers to -4 dB or -4 VU on the meter. Zero level is the ...