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Is there an integrated system utility that will allow one to rapidly convert AMR files to MP3 in the shell on macOS?

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    There isn't an internal one, but you can use ffmpeg
    – Allan
    Commented Sep 26, 2018 at 15:17
  • 2
    have you tried this command? "ffmpeg -i audio1.amr -ar 22050 audio1.mp3". Works on linux but don't know about Mac.
    – Natsfan
    Commented Sep 26, 2018 at 16:00
  • @jmh seems like it should work, but I need to figure out why the right encoder is not available yet. Got this error: "Automatic encoder selection failed for output stream #0:0. Default encoder for format amr (codec amr_nb) is probably disabled. Please choose an encoder manually. Error selecting an encoder for stream 0:0"
    – ylluminate
    Commented Sep 28, 2018 at 23:48
  • @jmh's answer works for me on macOS
    – Brian Kung
    Commented Aug 1, 2019 at 13:57

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