This is working when using getUserMedia as input. I’m trying to modify it to use use mp3 as source instead of getUserMedia, but I’m not too familiar with the Web Audio API so I’m missing something and getting Uncaught TypeError: Failed to execute 'connect' on 'AudioNode': Overload resolution failed.

Trying to modify this code to use mp3 as source instead of getUserMedia microphone, but I’m not too familiar with the Web Audio API so I’m missing something and getting Uncaught TypeError: Failed to execute 'connect' on 'AudioNode': Overload resolution failed.