
1) Big name in streaming video
Found on
https://www.crosswordclues.com/clue/realmedia

RealMedia is a proprietary multimedia container format created by RealNetworks. Its extension is `.rm`. It is typically used in conjunction with RealVideo and RealAudio and is used for streaming content over the Internet. Typically these streams are in CBR (constant bitrate), but a container for VBR (variable bitrate) streams, named RMVB (RealMe.....
Found on
http://en.wikipedia.org/wiki/RealMedia
No exact match found.