Select the audio file option in Produce to export the audio track only from your video project.
To export audio only, do this:
1.Click on Produce, and then the Standard 2D tab.
2.Click the button.
3.Specify the production options, as follows:
•File extension: select the format of the audio file created. You can output in the WMA, WAV, or M4A file format.
•Profile name/Quality: set the quality of the exported audio.
4.Configure the production options as required. See Configuring Production Options for more information.
5.Click if you want to select another export folder or change the filename of the exported audio file.
6.Click the Start button to begin exporting your audio file.