Produce Audio Only (MP3) File Format Recommended Distribution Description Audio only (MP3) Audio playback Produces a audio file. 1. In the Task List, select Produce video as. 2. The Production Wizard appears. Select Custom production settings from the dropdown and click Next. 3. Select the MP3-audio only option and click Next. 4. Select the MP3 Encoding Options. Click Next. 5. On the Produce Video screen, select the file save, post production, and upload options. 6. Click Finish. The audio begins rendering.