AAC

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AAC

Abbreviation for:
acalculous cholecystitis
acute allergic conjunctivitis
acute angle closure
ADP/ATP carrier
Advisory Appointments Committee (Medspeak-UK)
amino acid composition
antibiotic-associated colitis
antimicrobial agents and chemotherapy
area above the curve
association cortex
ATP/ADP carrier
attenuation coefficient

AAC

Abbreviation for augmentative and alternative communication.
References in periodicals archive ?
Advanced Audio Coding (AAC) is a lossy digital audio compression scheme, approximately four times more efficient than MP3 (the MPEG-2 Part 3 audio codec).
Lenovo (HKSE: 992), a provider of consumer, commercial and enterprise technology, and Via Licensing Corporation (Via), a world-wide intellectual property solutions provider, announced on Tuesday an agreement granting Lenovo a license to past and future use of the patented technology in Via's Advanced Audio Coding (AAC) patent pool.
QuickTime 6.5 offers support for the 3GPP and 3GPP2 wireless standards including Advanced Audio Coding (AAC), Adaptive Multi-Rate (AMR) and Qualcomm Code Excited Linear Predictive (QCELP) audio codecs, MPEG-4 and H.263 video codecs, 3G Timed Text, native '.3gp' and '.3g2' file formats, and support for Movie Fragments, according to Apple.
Fraunhofer IIS-A has been the main developer of the most advanced audio coding schemes, like MPEG Layer-3 (mp3) and MPEG-2 AAC (Advanced Audio Coding).
In addition, Apple has also added support for the Advanced Audio Coding audio format, support for the CELP speech codec, Flash 5 support, DVD Pro support, an updated user interface and skip protection enhancements.
Advanced Audio Coding, just launched in Japan, promises better sound quality than MP3 and better data compression meaning longer playback times.

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