Is it possible to convert to a WAV file to AIFF in PHP, and viceversa? [closed]

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I know it's possible to covert from AIFF and WAV to MP3, but in my project I need to have available all three formats (AIFF, WAV and MP3) from AIFF and WAV inputs. Is it possible?

Answer 1

<?php
    exec("ffmpeg -i file.wav -f aiff -ab 128000 -ar 44100 file.aif");
?>

Answer 2

Not elegant, but you can use underlying system tools to do it via shell_exec()