Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

MPEG-1 Audio Layer II

MP2 (formally MPEG-1 Audio Layer II or MPEG-2 Audio Layer II, sometimes incorrectly called Musicam) is a lossy audio compression format. It is standardised as one of the three audio codecs of MPEG-1 alongside MPEG-1 Audio Layer I (MP1) and MPEG-1 Audio Layer III (MP3). The MP2 abbreviation is also used as a common file extension for files containing this…

History, Applications & Standards

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around MPEG-1 Audio Layer II. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Contained by
MPEG-ES
Developed by
Philips and others
Free format?
Expired patents
Initial release
6 December 1991; 34 years ago (1991-12-06)
Internet media type
audio/mpeg, audio/MPA
Latest release
ISO/IEC 13818-3:1998 April 1998; 28 years ago (1998-04)

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Technical specifications

Technique

Applications of MP2

Encoders and decoders

History of development

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

MPEG-1 Audio Layer II

Nodes88
Edges87
Triples64
Avg. degree1.98
Density0.022727
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

MPEG-1 Audio Layer II

Top relations

related to Distributed and recordable media · 17
MPEG-1 Audio Layer II → AC3, All DVD-Video, Dolby Digital, DVD, DVD-Video, DVDs, HDV, MP2, MPEG Multichannel, MPEG-2, NTSC, PAL, Super Video CD, SVCD, VCD, Video CD, While
related to Encoders and decoders · 14
MPEG-1 Audio Layer II → CD, CDex, Exact Audio Copy, Many, MP2, MP2ENC, MP3, MusicBee, QDesign Imedia, TooLAME, VLC, Wav2mp, Winamp, Windows Media Player
related to Live broadcasts · 7
MPEG-1 Audio Layer II → BBC, DAB, Development, Digital Audio Broadcast, June, The BBC Research, White Paper WHP
related to External links · 6
MPEG-1 Audio Layer II → Fraunhofer IIS, MIME, MP3, MPEG-1 Audio Layer IIThe, Official, The
related to MPEG-2 Audio Layer II · 5
MPEG-1 Audio Layer II → ISO/IEC, MP2, MPEG-2, MPEG-2 Audio Layer II, While
related to Technical specifications · 3
MPEG-1 Audio Layer II → ISO/IEC, MPEG-1 Part, Sampling
Contained by · 1
MPEG-1 Audio Layer II → MPEG-ES
Developed by · 1
MPEG-1 Audio Layer II → Philips and others
Filename extension · 1
MPEG-1 Audio Layer II → .mw-parser-output .monospaced{font-family:monospace,monospace} .mp2, .mpa, .m2a, .mp2a
Free format? · 1
MPEG-1 Audio Layer II → Expired patents

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

audio mpeg-1 mp2 layer mp3 ii standard musicam mpeg-2 digital format mpeg used also iso dab part broadcasting frequency bit

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
MPEG-1 Audio Layer IIContained byMPEG-ES1.00infobox
MPEG-1 Audio Layer IIDeveloped byPhilips and others1.00infobox
MPEG-1 Audio Layer IIFilename extension.mw-parser-output .monospaced{font-family:monospace,monospace} .mp2, .mpa, .m2a, .mp2a1.00infobox
MPEG-1 Audio Layer IIFree format?Expired patents1.00infobox
MPEG-1 Audio Layer IIInitial release6 December 1991; 34 years ago (1991-12-06)1.00infobox
MPEG-1 Audio Layer IIInternet media typeaudio/mpeg, audio/MPA1.00infobox
MPEG-1 Audio Layer IILatest releaseISO/IEC 13818-3:1998 April 1998; 28 years ago (1998-04)1.00infobox
MPEG-1 Audio Layer IIOpen format?Yes1.00infobox
MPEG-1 Audio Layer IIStandardISO/IEC 11172-3, ISO/IEC 13818-31.00infobox
MPEG-1 Audio Layer IIType of formatLossy audio1.00infobox
MPEG-1 Audio Layer IIWebsitempeg.chiariglione.org/standards/mpeg-1/audio.html1.00infobox
MP3.The audio coding algorithm used by the Eureka 147 Digital Audio Broadcastinginstance ofwere the main reasons to later adopt the characteristics of MUSICAM as the basic features for an advanced digital music compression codec0.80text

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.