Anti-Asshole Coalition, preventing the diffusion of cuntbags and douche cans into our nation's already fragile system of social institutions.

1.The oldest in something;the greatest 2.first word in the dictionary

Apple Audio Compression. iTunes' default audio compression, usuly at 128 kbps, but it can go as high as 320 kbps. It also is the iPod's compression of choice. It doesn't like M [..]

AAC is a standard audio file format. Nikon cameras record audio to the AAC monaural file format.

Short for Advanced Audio Coding. AAC is a file format for music and other audio content. It is commonly used on the Internet, on PCs, and on portable devices, including dedicated music players and pho [..]

From MPEG-4. Is a successor to MP3. The very high popularity of MP3 and its incorporation into a large number of players, including CD and DVD players should, however, ensure MP3 longevity for years to come.

Ageing and Aged Care

A lossy digital audio compression scheme, approximately four times more efficient than MP3 (MPEG-2 Part 3,) most widely used by iOS devices (iPod touch, iPad and iPhone) and the accompanying iTunes mu [..]

Advanced Audio Coding

Short for Advanced Audio Coding, one of the audio compression formats defined by the MPEG-2 standard. AAC is sometimes referred to as MPEG-2 NBC (not backwards compatible) because it is not compatible [..]

See .AAC files.

All Aluminum Conductor

Airline administrative Communications

Aluminum Alloy Conductors

Advanced Audio Coding is an MP4 file format. MP4 sounds better than MP3 and allows DRM to be added to the audio track. Apple and Real Audio use AAC. AAC is an MPEG standard.

Advanced Audio Compression. Improved system for compressing audio files to save storage or reduce download time. Used for files in the iTunes store. Sacrifices a little less quality than MP3

Advanced Audio Coding is the audio coding technology that is introduced in MPEG-2. AAC is also known as MPEG-2 Part 7. As such it is the succesor of MPEG-1/2 Layer-3, more commonly known as MP3. AAC p [..]

 - All Aluminum Conductor.

Advanced Audio Coding. Apple's proprietary method of compressing digital audio files for use on iPod portable players and personal computers. AAC is a lossy compression codec that sacrifices some [..]

A type of audio compression developed by Apple. Commonly used on OS X and iPhones. Like MP3s, a sound is usually compressed to about a tenth of its original size.

AAC is a file format for storing digital audio. It's commonly used for storing music on the Internet, PCs and portable music players and phones. It is similar to MP3, but it was designed to be it [..]

Advanced Audio Coding.

AAC is a standard audio file format. Nikon cameras record audio to the AAC monaural file format.

Aerated Autoclaved Concrete, AAC, is used for building and is also commonly called cellular concrete or "Aircrete"

From MPEG-4. Is a successor to MP3. The very high popularity of MP3 and its incorporation into a large number of players, including CD and DVD players should, however, ensure MP3 longevity for years to come.

<audio> (AAC) A successor to MP3, allowing lower bit rates and more stable quality. See MPEG-2 AAC Low Profile and MPEG-4 AAC Main Profile. Acronym: AAC (01 Jun 2001)

aeronautical/airline administrative communications.

Army Air Corps.

Aeronautical Administration Communication (a class of communication which supports administrative communication)

A perceptual coding audio compression method that can be used in Wwise on the Mac and iOS platforms. AAC is said to achieve better sound quality than MP3 at similar bit rates. Compression is variable, [..]