Rhythmic Noise is a sub-genre, with its roots originally in power-noise and noise music. Rhythmic Noise consists of beats and rhythms, made using unconventional methods eg. pieces of metal;crunching noises etc.
Basically, rhythmic noise is made by using noises, in an ordered and rhythmic manner, thus the term "rhythmic noise".
one of the most well known rhythmic noise bands is "CONVERTER".
"this music sounds like noise, but it has a rhythm and even a beat, you can actually dance to it, it must be rhythmic noise..."