au·di·o-vis·u·al also au·di·o·vis·u·al (ô′dē-ō-vĭzh-əl)
adj.1. Relating to both hearing and sight: audio-visual processing of speech recognition.
2. Abbr. AV Conveying information through media, such as audio and visual recordings, that are perceivable by both hearing and sight.
pl.n. Audio-visual materials, especially ones used in presentations or demonstrations.