MP3 to SPH Converter
Select files for conversion or just drag and drop them to the upload area
How to convert MP3 files to SPH online?
Click "Choose File" button to select a mp3 file on your computer. MP3 file size can be up to 50 Mb.
Convert MP3 to SPH
Click "Convert" button to start conversion.
Download your SPH
When the conversion process is complete, you can download the SPH file.
Information about MP3 and SPH file formats
|Full name||MP3 - MPEG-1 or MPEG-2 Audio Layer III||NIST SPHERE Audio File|
|MIME type||audio/mpeg, audio/MPA, audio/mpa-robust|
|Developed by||Fraunhofer Institute||Institute of Standards and Technology (NIST)|
|Type of format||Digital audio|
|Description||MPEG-1 or MPEG-2 Audio Layer III, more commonly referred to as MP3, is an audio coding format for digital audio which uses a form of lossy data compression. It is a common audio format for consumer audio streaming or storage, as well as a de facto standard of digital audio compression for the transfer and playback of music on most digital audio players.||Waveform audio file created in the NIST SPHERE format, which is often used in speech recognition research; often contains a recording of a person speaking; can be provided as input to speech recognition systems.|
|Technical details||The use of lossy compression is designed to greatly reduce the amount of data required to represent the audio recording and still sound like a faithful reproduction of the original uncompressed audio. An MP3 file that is created using the setting of 128 kbit/s will result in a file that is about 1/11 the size of the CD file created from the original audio source.|
|File conversion||MP3 conversion||SPH conversion|
|Associated programs||VLC media player, MPlayer, Winamp, foobar2000.||SoX|
MP3 to SPH conversion quality rating:
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