Open the ā€œFormatā€ tab and then choose WAV audio as output format in the ā€œOutput Formatā€ box and set the output audio parameters like Bit Rate, Sample Rate, etc. in the ā€œAudio Settingsā€ box. After that, open the ā€œGeneralā€ tab to set output directory. Step 3: Start recording and converting MIDI to WAV audios. .