Ubuntu uses FFmpeg to convert AMR format to mp3

Recording AMR files less than 1 minutes, dozens of K, using your own server conversion is more convenient than uploading to Ali or seven kn processing.

1, installation ffmpeg apt-get install FFmpeg

2, ffmpeg only MP3 decoding no coding tool, Apt-get install Libmp3lame-dev installed this MP3 encoded open-source third-party library It doesn't seem to work.

Ffmpeg-codecs viewing existing encoding and decoding formats

Unloading:

First sudo apt-get remove ffmpeg

You can compile and install FFmpeg

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or use Sox:

1, sudo apt-get install lame

2. sudo apt-get install Sox

3, sudo apt-get install Libsox-fmt-mp3

Use the following command:

sox TEST.AMR Test.mp3

Ubuntu uses FFmpeg to convert AMR format to mp3