CONVERSION LOGIC
Convert M4A audio to MP3
Decode M4A audio locally and re-encode it with the MP3 encoder.
Media fileProcessed mediaRuns locally
01Media file
02FFmpeg decode → libmp3lame
03Processed media
The generated file uses MP3 audio encoding.
The audio is transcoded, not simply renamed
Changing the extension alone would not convert the codec; UtilityLake actually decodes and re-encodes the media.
Your content stays in the browser
Processing runs locally in the page without requiring the content to be sent to UtilityLake.
02
In short
What exactly does it do?
Decode M4A audio locally and re-encode it with the MP3 encoder.
Example?
The generated file uses MP3 audio encoding.