| AU | a cassette for audio tape |
|---|---|
| AU | a graphical representation of a person's auditory sensitivity to sound |
| AU | the measurement of hearing |
| AU | an instrument used to measure the sensitivity of hearing |
| AU | of or relating to audiometry |
| AU | measuring sensitivity of hearing |
| AU | the measurement of hearing |
| AU | magnetic tape for use in recording sound |
| AU | a tape recording of sound |
| AU | materials using sight or sound to present information |
| AU | involving both hearing and seeing (usually relating to teaching aids) |
| AU | materials using sight or sound to present information |