From the Selection window of E.M. Free PowerPoint Video Converter, you will be able to choose the output format. 

In the main window of E.M. Free PowerPoint Video Converter, you will be able to adjust and modify the output profile. 

In the Audio Option tab window you will be able to select the audio channel, codec and set the sampling rate. 

In the Video Option tab window you will be able to select the video codec that you want to use and set the output frame rate.