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MP3 to AMR

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Select a file to upload and convert:
(max file size 200 MB)
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This MP3 to AMR converter can convert MP3 (MPEG1/2 Audio Layer 3) files to AMR (Adaptive Multi-Rate) audio.
How To Use:
  1. Select a MP3 file.
  2. Click button "Convert" to start upload your file.
  3. Once upload completed, converter will redirect a web page to show the conversion result.
Remark:
  • If file upload process takes a very long time or no response or very slow, please try to cancel then submit again.
  • This converter cannot support encrypted or protected audio files.
  • If you selected options, be sure to enter valid values.
  • If file source is a URL, be sure to enter a complete and valid URL to your file.
File Format Information:
  • MP3 (MPEG1/2 Audio Layer 3) is an efficient and lossy compression format for digital audio, offers a variety of different bit rates, an MP3 file can also be encoded at higher or lower bit rates, with higher or lower resulting quality.
  • AMR (Adaptive Multi-Rate) is a audio data compression format, optimized for speech coding, an 3GPP-specified 3GP container format, used by mobile telephone handsets for voice recordings. The file extensions can be .amr, .3ga.
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