RealAudio Player enables the user to listen to audio files, can be integrated to work with a web browser, and can be used to view either local or remote files. RealAudio Player uses a method called streaming that enables the file to start to play before the whole file has been downloaded, and continue to play the file as it is downloading. raplayer.exe is associated with RealAudio Player version 3.x and are also used by RealPlayer version 4.x.