FCC FM broadcasting Federal Communications Commission abatement abridgment alleviation atmospherics attenuation be annihilated be consumed be destroyed be gone be no more be wiped out blackout blanch blaring blasting bleach bleach out blind spot blocking broadcasting cease cease to be cease to exist change color contraction crawling creeping dampening damping decrease decrement decrescence deduction deflation dematerialization dematerialize depart departure depreciation depression die die away die out diminishment diminution disappear disappearance disappearing dispel disperse dispersion dissipate dissipation dissolution dissolve dissolving do a fade-out drift dwindle dying dying off eclipse elimination erasure erode evanesce evanescence evaporate evaporation exit expire extenuation extinction fade fade away fadeaway fadeout fading flee fly go go away going grow pale hide interference languishment leave no trace leave the scene lessening letup lose color lowering melt melt away melting miniaturization mitigation mixing noise occultation pale pass pass away pass out passing perish peter out radiobroadcasting reception reduction relaxation retire from sight sagging scaling down simplicity sink sink away standard broadcasting static subtraction suffer an eclipse tone control transmission turn pale turn white vanish vanish from sight vanishing vanishing point vestigial transmission volume control wan waste waste away weakening wear away whiten wipe