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What is mp3
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- 2. Mp3 • MP3 standsfor MPEG-1 Audio Layer 3 • very compressed file that is popular for music stored on portable players and on the Internet because it can reproduce near-CD quality audio in small file sizes. • The Meaning of MPEG • MPEG means "Moving Picture Experts Group" or "Audio/visual file format"
- 3. When • first MP3files started appearing in the early 1990’s. • From then on, riding atop the Internet’s popularity and peer to peer networking. • MP3 quickly became the audio format of choice
- 4. How • Converting adigital audio track from a music CD to the MP3 format (or other audio format) is called "ripping" or "importing," and this conversion function is built into iTunes, Windows Media Player and other jukebox software.
- 5. Difference between MP3and MP4 • MP3s are an extension of the MP2 standard, which offers inferior compression and overall sound. Released in 2003, MP4s are an extension of Apple’s QuickTime technology, well known for efficient and cost- effective compression and playback. • Unlike MP3s, MP4s offer encoding of more media types in addition to audio such as video, text, and pictures • Most music devices such as MP3 players support decoding of MP3 files. So far, few devices are capable of playing MP4s although Apple’s devices such as iPods and iPhones support MP4 playback.
- 6. • However, asmore and more companies begin to adopt the superior MP4 standard, MP4 players and other devices such as smart phones and handheld devices will likely begin supporting decoding of MP4 files.
- 7. • Whereas MP3sare strictly audio files, MP4s are media containers capable of holding audio, video, text, and images. MP4 is a true multimedia file format. As media capabilities continue melding into single devices such as smart phones and handheld media players, it is likely that MP4s will replace MP3s as the standard media file.
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