Audio format
.mp3
MPEG Audio Layer III
MP3 is the most popular audio format in the world. It revolutionized digital music by compressing audio files to a fraction of their original size while maintaining good quality. Nearly every device and application supports MP3.
MIME type
audio/mpeg
Developer
Fraunhofer Society / Moving Picture Experts Group
Introduced
1993
Advantages
- Universal compatibility — works everywhere
- Excellent compression ratios
- Metadata support (ID3 tags)
- Variable and constant bitrate options
Limitations
- Lossy compression — some quality loss
- Not suitable for professional audio production
- Patent-encumbered (patents expired 2017)
- Inferior quality to modern codecs at same bitrate
When to use MP3
Music libraries and playlists
Podcasts and audiobooks
Web audio streaming
Ringtones and sound effects
Technical details
MP3 uses perceptual coding to remove frequencies less audible to the human ear. It supports bitrates from 8 to 320 kbps, sample rates up to 48 kHz, and stereo/mono/joint-stereo modes.
Convert MP3 to other formats
7 conversion options available
Convert to MP3 from other formats
7 formats can be converted to MP3
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