Audio

• Audio signal, an electrical representation of sound
• Audio frequency, a frequency in the audio spectrum
• Digital audio, representation of sound in a form processed and/or stored by computers or digital electronics
• Audio, audible content (media) in audio production and publishing
• Semantic audio, extraction of symbols or meaning from audio
• Stereophonic audio, method of sound reproduction that creates an illusion of multi-directional audible perspective
• Audio equipment

• AUDIO (group), an American R&B band of 5 brothers formerly known as TNT Boyz and as B5
• Audio (album), an album by the Blue Man Group
• Audio (magazine), a magazine published from 1947 to 2000
• Audio (musician), British drum and bass artist
• "Audio" (song), a song by LSD
• "Audios", a song by Black Eyed Peas from Elevation

• HTML audio, identified by the {{tag|audio|o}} tag

• Acoustic (disambiguation)
• Audible (disambiguation)
• Audiobook
• Radio broadcasting
• Sound recording and reproduction
• Sound reinforcement

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