What does M4A stand for?

MLA style: "M4A." Acronym Finder . 2012. AcronymFinder.com 11 Feb. 2012 <a href="http://www.acronymfinder.com/MPEG-4-Audio-(audio-compression-format)-(M4A).html">http://www.acronymfinder.com/MPEG-4-Audio-(audio-compression-format)-(M4A).html
Chicago style: Acronym Finder . S.v. "M4A." Retrieved February 11 2012 from <a href="http://www.acronymfinder.com/MPEG-4-Audio-(audio-compression-format)-(M4A).html">http://www.acronymfinder.com/MPEG-4-Audio-(audio-compression-format)-(M4A).html
APA style: M4A. (n.d.) Acronym Finder. (2012). Retrieved February 11 2012 from <a href="http://www.acronymfinder.com/MPEG-4-Audio-(audio-compression-format)-(M4A).html">http://www.acronymfinder.com/MPEG-4-Audio-(audio-compression-format)-(M4A).html

MPEG 4 Audio (audio compression format)

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Morphine-3-Sulphate (pharmacology) Multiband, Multimode, Multirole Tactical Radio System Playlist file for multiple MP3 files MTP (Message Transfer Part) Level 3 User Adaptation Layer (IETF) Mobile Medical Mentoring Vehicle Multi-radio Multi-channel Multi-Hop Wireless Network Fourth-Year Medical Student Messier Object #42 (deep space object; the Orion Nebula) Dragon Wireguided Missile System Minnesota Association of Area Agencies on Aging		Model 4 Advanced 1 (US Army assault rifle) Marketing for Business (software) Mobile for Business (Warsaw, Poland) Meet for Coffee Marked 4 Death (gaming) Marketing 4 Digital Managing for Excellence Media for Experts Messaging 4 Education Mad for Gaming (gaming clan; Canada)

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Introduced as the new MPEG 4 Audio reference model in 2001, aacPlus is on track to become a core component of MPEG 4 Audio.