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MOBI MOBI (eBook)

File extension .mobi
Category eBook File
Description The file type .mobi is an eBook format created by a French eBook company called Mobipocket which created a free software application for multiple devices including PDAs, smartphones and tablet devices. The company was bought by Amazon in 2005 and the support of the .mobi file extension was officially discontinued in 2011 with the AZW format superseding it.
Actions
Technical Details The eBook format is based on XHTML and also allows for frames and JavaScript. The format supports DRM protection, images and tables. It also allows for interactive actions such as adding notes, corrections, annotations and bookmarking. The format was designed to optimise certain elements such as images for mobiel devices on low bandwidth.
Associated programs
  • Apple iBooks
  • Amazon Kindle
  • Mobipocket Reader Desktop
Developed by Mobipocket / Amazon
MIME type
  • application/x-mobipocket-ebook
  • application/x-mobipocket
Useful links

MP3 MP3 (Audio)

File extension .mp3
Category Audio File
Description MP3 is a digital music format which allows CD tracks to be reduced to around a tenth of their normal size without a significant loss of quality. MP3 gets rid of a lot of the information recorded in a song that our ears are not able to hear and then uses complex algorithms to reduce the file size. This then enables you to get hundreds of songs on to a CD and it also has opened up a new market over the internet - the download market as download times have been significantly reduced.
Actions
Technical Details The MP3 format is a lossy format. That means that an MP3 file does not contain 100% of the original audio information. Instead, MP3 files use perceptual coding. In other words, that means it removes the information that your ear doesn't notice thereby making the file smaller. The reason lossy formats are used over RAW is that RAW audio files are too large to travel over the internet at any great speed. By using lossy formats it enables even dial up users to download mp3 files at a reasonable speed. RAW file formats generally require 176,000 bytes per second compared to a lossy format which requires 17,600. The difference is massive and so are the download times.
Associated programs
  • RealOne
  • WinAmp
  • iTunes
  • Windows Media Player
Developed by Moving Picture Experts Group
MIME type
  • audio/mpeg
Useful links

MOBI Convert MOBI file

Using Zamzar it is possible to convert MOBI files to a variety of other formats

  • mobi to azw3 (Amazon KF8 eBook File)
  • mobi to epub (Open eBook File)
  • mobi to fb2 (FictionBook 2.0 File)
  • mobi to oeb (Open eBook File)
  • mobi to lit (Microsoft eBook File)
  • mobi to lrf (Sony Portable Reader File)
  • mobi to pdf (Portable Document Format)
  • mobi to mp3 (Compressed audio file)
  • mobi to pdb (Palm Media eBook File)
  • mobi to pml (eBook File)
  • mobi to prc (Mobipocket eBook File)
  • mobi to rb (RocketEdition eBook File)
  • mobi to tcr (Psion eBook File)
  • mobi to txt (Text Document)

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