Related by context. Frequent words. (Click for all words.) 55 speech intelligibility 54 attenuation 52 EMI RFI 51 ambient noise 51 analog circuitry 50 acoustical 50 directivity 50 noise 50 attenuators 49 decibel noise 49 antenna arrays 48 electromagnetic compatibility 48 vibration 48 Acoustiblok 48 magnetically shielded 48 operable windows 48 acoustic insulation 48 eartips 48 dBA 47 Etymotic Research 47 impedance matching 47 sound deadening 47 #db [001] 47 anechoic chamber 47 thermally efficient 47 attenuator 47 electromagnetic interference EMI 47 IP# rating 47 optical coatings 47 decibels dB 46 earcups 46 radome 46 ear cushions 46 noise vibration 46 vibration dampening 46 waterproof membrane 45 recoating 45 runways taxiways 45 double paned windows 45 electrostatic discharge 45 EMI shielding 45 stormwater retention 45 IP# rated 45 thermal dissipation 45 VSWR 45 -# dB [001] 45 Dolby Headphone 45 rear crumple zones 45 soundproofing 45 fanless design 45 modulation schemes 45 photocell 45 #dB [001] 45 microwave frequencies 44 entrances exits 44 audibility 44 Luminance 44 emissivity 44 #dB [002] 44 bookshelf speakers 44 spalling 44 interferometric 44 curtainwall 44 vibration isolation 44 passivation 44 tight tolerances 44 noise abatement 44 directional antennas 44 audiological 43 multipath 43 daylighting 43 harmonic distortion 43 multizone 43 headphone 43 inductance 43 nonstructural 43 exterior cladding 43 z axis 43 6dB 43 Noise Reduction 43 reflectivity 43 viewability 43 ingress egress 43 #L stainless steel 43 neodymium magnets 43 electrostatic discharge ESD 42 stormwater discharges 42 cavitation 42 omnidirectional 42 HEMT 42 amplification 42 noisy environments 42 #um [002] 42 Rumble strips 42 1kHz 42 -# dBm [001] 42 electron mobility 42 cathodic protection 42 monopole 42 3dB 42 buffering