RealVideo is a
proprietary video format developed by
RealNetworks. It was first released in
1997 and
as of 2006 is at version 10. RealVideo is supported on many platforms, including Windows, Mac, Linux, Solaris, and several mobile phones.RealVideo is usually paired with
RealAudio and packaged in a
RealMedia (.rm) container. 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.
See more at Wikipedia.org...