Audio/ˈɔːdiəʊ/ Definition 1 of 3Pro Tip 1/3Technical Gear The term 'audio' often implies technical aspects of sound in electronic devices. Recording studios require high-quality audio gear. Pro Tip 2/3Entertainment Connection 'Audio' is commonly used in entertainment to discuss soundtracks or voice-overs. I loved the movie's audio; the music was captivating. Pro Tip 3/3Multimedia Usage 'Audio' often accompanies 'video' in multimedia applications and discussions. Please check the audio and video before the conference call.