the testing of hearing by means of an audiometer.
- Audio processing technology
audio processing technology company (APT) A company that produces codecs based on predictive analysis rather than frequency coding. (1996-01-15)
- Audio response
noun a computer response that is audible rather than textual or graphical
- Audio response unit
a device that enables a computer to give a spoken response by generating sounds similar to human speech. a similar device that selects from a vocabulary of prerecorded words. Abbreviation: ARU.
- Acoustic spectrography
a technique for analyzing sound by separating it into its component frequencies.