Debug sound MP3 playing/recording software

This is straight forward for a programmer who knows what they’re doing: Debug ??" existing MP3 recording/player software: 1) Create a test plan. 2) Execute the test plan and report bugs in an organized way 3) Do 2-3 rounds of retesting on bugs to verify that they have been fixed. ? Ensure:? That project requirements have been met, - that it works on relevant window operating systems, - including good sound quality.