Advanced Audio Coding

E236174
audio coding format digital audio codec lossy audio compression format

Advanced Audio Coding is a lossy digital audio compression format designed to provide better sound quality than MP3 at similar or lower bitrates and widely used in streaming, broadcasting, and multimedia applications.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (7)

Label Occurrences
Advanced Audio Coding canonical 3
AAC-LC 2
MPEG-4 AAC 2

Statements (72)

Predicate Object
instanceOf audio coding format ⓘ
digital audio codec ⓘ
lossy audio compression format ⓘ
abbreviation AAC ⓘ
commonlyUsedFor audio tracks in video files ⓘ
broadcast audio ⓘ
music streaming ⓘ
competesWith MPEG-1 Audio Layer III ⓘ
surface form: MP3

Opus ⓘ
Vorbis ⓘ
WMA ⓘ
compressionType lossy ⓘ
containerFormat ADIF ⓘ
ADTS ⓘ
MPEG-4 container format ⓘ
surface form: MPEG-4 Part 14
definedInStandard ISO/IEC 13818-7 ⓘ
ISO/IEC 14496-3 ⓘ
designedToProvide better sound quality than MP3 at similar or lower bitrates ⓘ
developedBy Bell Telephone Laboratories ⓘ
surface form: AT&T Bell Laboratories

Dolby Laboratories ⓘ
Fraunhofer Institute for Integrated Circuits IIS ⓘ
surface form: Fraunhofer IIS

Sony ⓘ
surface form: Sony Corporation
feature MDCT-based transform coding ⓘ
intensity stereo coding ⓘ
mid/side stereo coding ⓘ
parametric stereo in HE-AAC v2 ⓘ
perceptual audio coding ⓘ
perceptual noise substitution ⓘ
spectral band replication in HE-AAC ⓘ
temporal noise shaping ⓘ
fileExtension .aac ⓘ
.m4a ⓘ
.mp4 ⓘ
hasProfile AAC ⓘ
surface form: AAC-ELD

Advanced Audio Coding self-linksurface differs ⓘ
surface form: AAC-LC

AAC-LD ⓘ
ER-AAC ⓘ
ER-AAC ELD ⓘ
HE-AAC ⓘ
HE-AAC v2 ⓘ
licenseType patent-encumbered ⓘ
optimizedFor better quality at low and medium bitrates compared to MP3 ⓘ
partOfStandard MPEG-2 ⓘ
MPEG-4 ⓘ
patentPoolManagedBy Via Licensing (historically) ⓘ
predecessor MPEG-1 Audio Layer III ⓘ
surface form: MP3
standardizedBy ISO/IEC ⓘ
MPEG ⓘ
successorTo MPEG-1 Audio Layer III ⓘ
surface form: MPEG-1 Layer III
supports low-latency modes such as AAC-LD ⓘ
mono audio ⓘ
multichannel audio ⓘ
sample rates from 8 kHz to 96 kHz ⓘ
stereo audio ⓘ
up to 48 audio channels in MPEG-4 AAC ⓘ
typicalBitrateRange from about 16 kbit/s to over 320 kbit/s ⓘ
usedIn iTunes Store ⓘ
surface form: Apple iTunes Store

Blu-ray Disc format ⓘ
surface form: Blu-ray Disc

DAB+ digital radio ⓘ
DVB broadcasting standards ⓘ
surface form: DVB digital television standards

YouTube ⓘ
digital broadcasting ⓘ
digital television ⓘ
game consoles ⓘ
internet radio ⓘ
mobile devices ⓘ
portable media players ⓘ
smartphones ⓘ
streaming media ⓘ
tablets ⓘ
video streaming services ⓘ
yearIntroduced 1997 ⓘ

Referenced by (11)

Full triples — surface form annotated when it differs from this entity's canonical label.

AAC → fullName → Advanced Audio Coding ⓘ
MPEG → hasStandard → Advanced Audio Coding ⓘ
this entity surface form: MPEG-4 AAC
Advanced Audio Coding → hasProfile → Advanced Audio Coding self-linksurface differs ⓘ
this entity surface form: AAC-LC
ISO/IEC 13818-7 → alsoKnownAs → Advanced Audio Coding ⓘ
this entity surface form: MPEG-2 Advanced Audio Coding
ISO/IEC 13818-7 → specifies → Advanced Audio Coding ⓘ
ISO/IEC 13818-7 → predecessorOf → Advanced Audio Coding ⓘ
this entity surface form: MPEG-4 AAC
ISO/IEC 14496-3 → specifies → Advanced Audio Coding ⓘ
this entity surface form: MPEG-4 audio coding
ISO/IEC 14496-3 → specifies → Advanced Audio Coding ⓘ
ISO/IEC 14496-3 → specifies → Advanced Audio Coding ⓘ
this entity surface form: AAC-LC
ISO/IEC 14496-3 → hasPart → Advanced Audio Coding ⓘ
this entity surface form: MPEG-4 AAC tools
HE-AAC v2 → partOf → Advanced Audio Coding ⓘ
this entity surface form: MPEG-4 Audio