RealAudio files were originally identified by a filename extension of .ra (for Real Audio).

RealVideo is a proprietary video format developed by RealNetworks, it is usually paired with RealAudio and packaged in a RealMedia (.rm) container.

RealMedia Variable Bitrate (RMVB) is a variable bitrate extension of the RealMedia multimedia container format developed by RealNetworks.

RealMedia is suitable for use as a streaming media format, that is one which is viewed while it is being sent over the network. Streaming video can be used to watch live television, since it does not require downloading the video in advance.

How to download/save/record realmedia streaming files(rm,ra,rmvb) through RTSP, PNM and HTTP Protocol

1.Click "Add" button and open "add URL to download" window

2.Input URL into "URL" editbox

3.Select "RealMedia Streaming" from "Streams" drop-down list.

4.Press "OK" button, HiDownload add the URL to list and download it.

Note: HiDownload check automatically the RealMedia streaming server and select the usable protocol (HTTP/PNM/RTSP) to download streaming media, you can change the order from "Options" window.