How can one use node to change an ogg file into an mp3 file?

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To convert an OGG file to an MP3 file using Node.js, you can use the ffmpeg library.

Here's an example code for converting the file:

const ffmpeg = require('fluent-ffmpeg');

ffmpeg('input.ogg')
  .output('output.mp3')
  .on('end', function() {
    console.log('Conversion completed successfully');
  })
  .on('error', function(err) {
    console.log('error: ', err);
  })
  .run();

In the above example, the ffmpeg function takes the input OGG file and outputs it to an MP3 file named output.mp3. The on('end') function is called when the conversion is completed successfully, and the on('error') function is called when there is an error during the conversion process.

Make sure you have the ffmpeg library installed on your system before running this code.