Convert AMR to MP3(WAV)
AMR is the standard format of encoding sounds with cellphone. I have tried several free softwares to convert AMR format to MP3 or WAV. Sharewares, which charge for using, are out of my list.
I tried AMR to MP3 Converter, a easy-to-use software. It has a fatal flaw which forces me to give up using it, the output file is mixed with some high-pitched noise.
Here is a website of converting audio online, you may try it out: http://media-convert.com/
Now here comes a mini software to convert AMR to WAV. I don't its name, I get it from the Mobile AMR converter by MIKSOFT. It is a Command Line software, so you can write a .bat file to convert many files at a time. It is only 80+KB after compressed. Click here to Download.
Usage:
Decompress the downloaded file, you should get a executable file named Converter.exe. It runs in DOS or CMD. To be in CMD, click "Start" in Windows, click "Run", type cmd. You should go to the directory in where Converter.exe is by using command cd.
Now we convert C:\a.amr to C:\a.wav, for instance, type
Convert.exe amr2wav "C:\a.amr" "C:\a.wav"
It is quick and with high quality output. You can convert WAV to MP3, many softwares can do it.
Of course, you can convert WAV to AMR conversely. type
Convert.exe wav2amr "C:\a.wav" "C:\a.amr"
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