Open the music-creation software and wait for it to load. Select the "Import" option from the "Edit" menu and select the location of the file you wish to edit. Wait for the file to load into the software.
Press the "Play" button to preview the selected vocals and click the "Stop" button. Select the "TalkBox" plugin from the "Effects" menu. The "Vocoder" effect will work similarly, if the software isn't supplied with "TalkBox."
Set the "Speech Input" and "Gate Threshold" to the desired settings. The higher the speech input, the higher volume of the vocals. Set the "Pitch Extraction" settings to the desired settings and press "OK."
Press "Play" to preview the vocals. Follow the above steps if you are unsatisfied with the vocals. Select "Save" in the "File" menu to save the file.