How does Samsung s5 make ringtones?

If you want to use wonderful music as a ringtone, please follow these steps:

Open the music player that comes with the mobile phone, click the music-menu key that needs to be set as ringtone-select Set as, and select automatic suggestion, and the system will automatically recommend extracting key parts from the music file. Please select set as voice call ringtone (for some mobile phones, this option is cell phone ringtone/incoming call ringtone) (card slot 1/ card slot 2 is required for dual-card phones); After completing the above operations, click Finish. (Note: Some mobile phones do not support this function)