They dubbed the new measurement “Volume Units,” and the VU meter was born ... Zero on the meter scale was defined as where the needle points when a 1-mW pure sine wave audio signal at 1000 ...

VU is an abbreviation for volume unit. Thus, a VU meter is a device for measuring the level of sound intensity with audio equipment, such as amplifiers and tape recorders. Although the measurements ...

Last month we featured a project that aimed to recreate the iconic mechanical VU meter with an Arduino ... with adding some physics to the meter’s virtual needle to better approximate the ...