MPEG-4 Advanced Audio Coding

URI: https://gptkb.org/entity/MPEG-4_Advanced_Audio_Coding
GPTKB entity
Statements (51)
Predicate Object
gptkbp:instanceOf audio coding format
gptkbp:abbreviation gptkb:AAC
gptkbp:compressionRatio lossy
gptkbp:developedBy gptkb:AT&T_Bell_Laboratories
gptkb:Sony
gptkb:Dolby_Laboratories
gptkb:Fraunhofer_IIS
gptkbp:fileExtension .m4a
.mp4
.3gp
.aac
gptkbp:firstPublished 1997
https://www.w3.org/2000/01/rdf-schema#label MPEG-4 Advanced Audio Coding
gptkbp:ISOStandard gptkb:ISO/IEC_13818-7
gptkb:ISO/IEC_14496-3
gptkbp:mediaType audio/mp4
audio/3gpp
audio/aac
audio/3gpp2
audio/aacp
gptkbp:partOf gptkb:MPEG-2
gptkb:MPEG-4
gptkbp:predecessor gptkb:MPEG-1_Audio_Layer_III
gptkbp:relatedStandard gptkb:AAC-LD
gptkb:AAC-HE
gptkb:AAC-LC
gptkb:HE-AAC
gptkb:AAC-ELD
gptkbp:standardizedBy gptkb:ISO/IEC
gptkbp:successor gptkb:MP3
gptkbp:supports lossy compression
stereo audio
surround sound
up to 48 channels
multichannel audio
sample rates from 8 to 96 kHz
gptkbp:usedFor internet streaming
digital television
mobile phones
portable devices
gptkbp:usedIn gptkb:YouTube
gptkb:PlayStation_3
gptkb:Digital_Video_Broadcasting
gptkb:Apple_iTunes
gptkb:Digital_Radio
gptkb:Nintendo_DSi
DAB+ digital radio
gptkbp:width 8 to 529 kbps
gptkbp:bfsParent gptkb:MPEG-4_AAC
gptkb:MPEG-2_Advanced_Audio_Coding
gptkbp:bfsLayer 7