Volume units

0 VU is equivalent to +4dBu, the standard for line level signals.1

VU meters give the RMS of a sine tone and approximate the RMS of more complex signals.2

  1. Gain Staging Secrets Every Great Audio Engineer Understands! - YouTube ↩

  2. Audio Production and Critical Listening pg. 79 ↩

Notes mentioning this note

Audio vocabulary
Audio vocabulary [[What is gain?]] [[What is noise?]] [[What is the noise floor?]] [[What is clipping?]] [[Volume units]] [[Nonlinear process]]...
How to gain stage
How to gain stage Everything and anything that amplifies a signal can be called a [[What is gain?|Gain]] stage.