Updated July 21, 2017 Create your audio file with Windows Sound Recorder. Use Windows Sound Recorder to manipulate your audio file. You can increase or decrease speed, increase or decrease volume, add echo, mix 2 files together, insert 1 audio file into another and delete portions of your audio file, all within Windows Sound Recorder. Save your audio file to an appropriate folder on your computer. Open your WAV to MP3 conversion software. Load your audio file into your conversion software. Execute the conversion instructions for your particular softwareSave the file the software creates as an MP3 file. Tips Writer Bio
