| Abbreviation | Definition |
|---|---|
| AU | Atomic Units |
| AUBP | AUdio Battery Pack |
| AUE | Advanced Ultrasound Electronics |
| AUX | Auxiliary input jack |
| AV | Adjustable Volume |
| AVCHD | Advanced Video Codec High Definition |
| AVG | Automatic Volume Control |
| AVI | Analog Video Interface |
| AVI | Audio Video Interleave |
| AVM | Audio Video Measurement |
| AVM | Automated Voice Messages |
| AVO | Amperes, Volts, and Ohms |
| AVO | Amps, Volts, and Ohms |
| AVP | Advanced Vertical Processor |
| AVP | Anti-Virus Program |
| AVR | Audio Video Receiver |
| AVR | Audio-Video Receiver |
| AVR | Automatic Voltage Regulation |
| AVR | Automatic Voltage Regulator |
| AVS | Advanced Visualization System |