Record System and Microphone Audio Apart from recording video, TuneFab Screen Recorder can record screen audio only on your computer. So, you can make use of this function to record music, radio or audiobook from some playing website like Spotify. This program enables you to output audio recording in M4A format. Take Screenshots with Hotkeys Available When Recording or Not, you can use the shortcut to save the frames you need. Through this program, you just need to enter the hotkeys then it will take screenshots and save it for you. And, you are able to change the hotkeys to the one you like with the resolution ratio you have set. Customize Screencast Quality Before recording, you are allowed to set up frame rate, bitrate and sample rate.