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MP3 (formally MPEG-1 Audio Layer III or MPEG-2 Audio Layer III) is an audio coding format developed largely by the Fraunhofer Society in Germany under the lead of Karlheinz Brandenburg. It was designed to greatly reduce the amount of data required to represent audio, yet still sound like a faithful reproduction of the original uncompressed audio to most…
History, Standards & Products
Explore the main themes, entities and connections around MP3. Start with the topic map, then use the sections below for research and deeper semantic analysis.
Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the full topic structure. Each item opens a new analysis centered on that subject.
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| MP3 | Contained by | MPEG-ES, AVI, Matroska, MP4, WAV | 1.00 | infobox |
| MP3 | Developed by | Moving Picture Experts Group | 1.00 | infobox |
| MP3 | Extended from | MP2 and ASPEC | 1.00 | infobox |
| MP3 | Extended to | mp3PRO, MP3 surround, mp3HD | 1.00 | infobox |
| MP3 | Filename extension | .mp3 .mpga (rarely) .bit (before 1995) | 1.00 | infobox |
| MP3 | Free format? | Yes (expired patents) | 1.00 | infobox |
| MP3 | Initial release | 6 December 1991; 34 years ago (1991-12-06) | 1.00 | infobox |
| MP3 | Internet media type | audio/mpeg | 1.00 | infobox |
| MP3 | Internet media type | audio/MPA | 1.00 | infobox |
| MP3 | Internet media type | audio/mpa-robust | 1.00 | infobox |
| MP3 | Latest release | ISO/IEC 13818-3:1998 April 1998; 28 years ago (1998-04) | 1.00 | infobox |
| MP3 | Open format? | Yes | 1.00 | infobox |
| MP3 | Standards | ISO/IEC 11172-3 | 1.00 | infobox |
| MP3 | Standards | ISO/IEC 13818-3 | 1.00 | infobox |
| MP3 | Type of format | Lossy audio | 1.00 | infobox |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.