To use the software's MP3 to WAV/WMA/OGG converter feature.
Step1. click "Convert Audio" from the main interface
Step2. select "Convert to WAV or Convert to WMA or Convert to OGG ". From the resulting converter window, you can then add the audio files you wish to convert, set any desired frequency, bits per sample, channels, etc. settings (optional), and click the Convert button to begin.
Blaze Media Pro - Convert DRM protected WMA, Convert DRM protected M4P