converting real media audio

[Joan Picanyol]

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Hi,

I've found two speeches in Real Audio format I'd like to burn on a CD.
I'm able to reproduce them fine with linux-reaplayer, but sox doesn't
understand the format. What's the one liner to dump what is sounding on
my speakers to a file sox can convert (which device shoud I cat?)? Is
there some utility to convert from .rm files to .wav?

tks
-- 
pica