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Run the OFR to MP3 Online Converter or get a batch App for more!


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File extension.OFR
CategoryAudio File
DescriptionThe inception of the OFR (OptimFROG) audio format is but another win against the ‘tyranny’ of MP3. OFR uses a lossless compression algorithm and high file size reduction (by 30-70%). The extent of compression depends on the density of audio data. Therefore, hard rock tracks require deeper compression than folk or classical tracks. Encoding is very fast: for AMD Athlon XP +1800, the real-time encoding speed for CD is 12.4x, and the real-time decoding rate is 17.4x. The format is supported by Windows and Linux.
Associated programsVLC media player
FFMpeg
Developed byFlorin Ghido
MIME type
Useful linksMore detailed information on OFR files

File extension.MP3
CategoryAudio File
DescriptionMP3 is the most popular audio file type based on MPEG-1 Layer III compression. Its lossy algorithm was developed in 1991. MP3 codes the sound almost with the same quality, as CD (16-bit stereo), providing compression in size 1 to 10 from the original WAF or AIFF tracks. The quality of MP3 seriously depends on the bitrate. It can be 128 - 256 kbps. Higher bitrates are also supported, but they seriously increase the file size. It is supported by all modern hard- and software players.
Associated programsRealOne
WinAmp
Windows Media Player
iTunes
Developed byFraunhofer Institute
MIME typeaudio/mpeg
audio/MPA
audio/mpa-robust
Useful linksMore detailed information on MP3 files

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