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Convert Blackberry AMR recording files to MP3

by Oscar Sodani
October 21, 2008

Oscar Sodani is a founder of Help2Go and owner of Help2Go Networks, an IT consulting firm in the Washington D.C. area. Oscar holds the CISSP certification as well as industry certifications from Microsoft, Cisco and Novell.

Blackberry and other mobile phones do recordings into the AMR file format. Not all computers can reliably read this format, so we'll show you a quick way to convert it to MP3, for free, WITHOUT installing any software.

Convert AMR to MP3

  • First, go to Media-Convert, a free online media converter web site.
  • Next, click on the Browse... button and choose the AMR file on your computer. The "Input Format" box should instantly change to "Adaptive Multi-Rate (.amr)" - if not, choose it from the list.
  • The output format should be set to "MPEG 1/2 - Audio Layer 3 (.mp3)"
  • Click the OK button, and the file will be uploaded to Media-Convert and analyzed, which might take a few moments, depending on the size of the recording.
  • It will then ask you what the encoding bit-rate should be. Most mobile phones like the Blackberry will record low-quality audio by default, so by putting a low value here, you can reduce the file size without necessarily lowering the quality of the audio. I suggest using 64 or 128 for the encoding bit-rate.
  • Leave the encoding method set to be CBR, unless you are dealing with a high-quality recording.
  • Click OK
  • After a few more moments, your MP3 file will be ready - click the Download button to get your new MP3 version of the file.

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