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AAC
abbreviation for
- American Athletic Conference.
- Advanced Audio Coding: a set of standards and a file format for the encoding and compression of digital audio data, or a file compressed in this format: designed to achieve higher sound quality than MP3. Compare MPEG ( def ).MP3 ( def ).
- augmentative and alternative communication: the clinical practice or study of systems of communication for people with significant speech difficulties or other communication disorders, usually using symbols and often assistive devices.
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