Related by context. Frequent words. (Click for all words.) 55 ultrasonic 47 ear piercing 47 emits 46 vibrating 46 dBA 46 noisy environments 45 nasal 45 #dB [002] 45 beep 45 hiss 45 noise 44 trill 44 audible 44 decibels 44 hissing sound 44 tinnitus 44 vibration 44 beeping 44 beeps 43 echo cancellation 43 whispery 43 frequency 43 Ultrasonic 43 shrill 43 cochlear 43 loudness 43 grating 43 sounds 43 hertz 43 screeches 43 screeching 42 tuning fork 42 tinny 42 Digital Signal Processing 42 raspy 42 decibel 42 octave 42 ambient noise 42 noises 41 screech 41 keening 41 noise canceling 41 ear bud 41 loud noise 41 Other Communication Disorders 41 vibrations 41 squeaky voice 41 vibrato 41 ear shattering 41 warbling 41 ear 41 trilling 41 yelps 40 theremin 40 vocalization 40 chirp 40 gurgle 40 thrum 40 shrieks 40 shrieking 40 wailing 40 chirping 40 cochlea 40 sub woofer 40 throbbing pain 40 attenuation 40 kHz 40 echolocation 40 muffled 40 warble 40 snoring 40 vocalizations 40 breathy 39 #dB [001] 39 #kHz [001] 39 squeals 39 dB 39 wail 39 frequencies 39 reverberation 39 thuds 39 chirps 39 sound 39 scratchy 39 radiofrequency 39 foghorn 39 thumping bass 39 profoundly deaf 39 shriek 39 screechy 39 omnidirectional 38 barely audible 38 amplification 38 cochlear implants 38 deafness 38 nasally 38 frequency sonar 38 loud 38 woofer 38 squeal 38 irritating