A VU meter (Volume Unit) is often included in domestic analog audio equipment to display a signal level. It is intentionally a "slow" measurement, completely ignoring peaks and troughs under 300 ms in duration. It was developed for measuring phone lines. 0 VU is equal to +4 dBm (or 1.228 volts RMS across a 600 ohm load).

See also

• Peak programme meter
• Audio equipment
• Mixing console
• Decibel#Acoustics

External links

• Rane Pro Audio Reference definition for VU meter
• Bewilderin wilderness - Navigating the complicated and frustrating world of audio standards, e.g. vu meter

VU Meter