illustrated set of user-friendly noise-reducing products

absorbing asleep bedtime canceling cancelling concentration countermeasure curtains double-paned drawing ear earphones equipment falling frequency good headphone headphones hearing housing icon illustrated improvement insulation isolated isolation isometric life line listen machine man materials mats modern muffs music nap noise noise-reducing panels person plugs problem products proofing protection quiet relax rental residential restful rooms sensitivity sensory set simple sleep snoring sound soundproof soundproofing studying symbol tool translation trouble troubles user-friendly vector vibration walls white windows work worries