AVR

1. Short for Automatic Voltage Regulator, AVR is a hardware device used to maintain a specific voltage to electronic devices. 

2. Short for Automatic Voice Recognition, AVR is the ability of a computer or other electronic device to detect and understand human voice.

3. Short for Automatic Voice Response, AVR is a computer generated or pre-recorded response activated on command.

Also see: Biometrics, Power definitions, Sound definitions, UPS, Voice recognition