Hopefully, this will do what you need.
Free RM to MP3 Converter
Free RM to MP3 Converter can convert Real Media files to MP3 files which
can be played in MP3 Players. All Real Media formats (*.rm, *.ra, *.rmvb)
are supported. The program is a freeware and does not contain any form of
malware, including but not limited to: spyware, viruses, trojans and
backdoors.
http://www.rm-mp3.org/
http://www.rm-mp3.org/free-rm-mp3-converter.exe
--
"Truth does not change according to our ability to stomach it."
~ Flannery O'Connor
"The moral rot of political correctness runs deep today in both national
parties."
~ Patrick J. Buchanan