noise incomprehensibility resulting from irrelevant information or meaningless facts or remarks; "all the noise in his speech concealed the fact that he didn't have anything to say"
crepitation -
A grating or crackling sensation or sound, as that produced by rubbing two fragments of a broken bone together, or by pressing upon cellular tissue containing air.
crepitation A crackling sound heard in certain conditions such as the rale heard in pneumonia or the grating sound heard on movement of ends of a broken bone.