This is how Acoustica MP3 To Wave Converter Plus appears in the Windows menu when you richt click on audio files. You may choose to convert the file to the WAV, MP3 and WMA formats 

The Prerefences window lets you configure General settings like the directory where to convert the audio files or the processing power that your computer should use 

The MP3 Settings let you choose an Encoder Engine and a preset Quality. You may also Specify settings here