Related by context. Frequent words. (Click for all words.) 41 audio 40 vocal inflections 39 recording 39 prerecorded 39 phonemes 38 monophonic 38 intelligible 38 fetal heartbeat 38 recordings 38 FOXP2 38 audio recordings 37 garbled 37 enhanced 37 noisy environments 37 overdub 37 unexceptionable 36 preprogrammed 36 phonological 36 binaural 36 playback 36 stereo headsets 36 prosody 36 overdubbed 36 amplified 35 auditory 35 incommensurate 35 spatial reasoning 35 inaudible 35 headset microphone 35 holographic 35 qualitatively different 34 monotonic 34 previously unimagined 34 synthesizer 34 intuitive graphical 34 sensory stimuli 34 indistinct 34 interpretable 34 Dolby Volume 34 virtually identical 34 functionally identical 33 explicit 33 visual depictions 33 impairments 33 describable 33 text 33 apraxia 33 audible 33 WAV file 33 Arabic subtitles 33 mellifluous 33 orchestral instruments 33 cognitive 33 playbacks 33 actual 33 MP3 files 33 sound 33 electroencephalogram 33 tinny 33 digitized 33 tape recordings 33 touchtone 33 amplify 32 synthesized 32 digitally 32 stenographic 32 declarative 32 mp3 format 32 Changizi 32 impaired 32 Camtasia Studio 32 unintelligible 32 audiotape 32 auditory processing 32 distorted 32 DTMF 32 video 32 untrained ear 32 disembodied voices 32 innuendo laden 32 robust 32 audibility 32 graphic 32 indistinguishable 32 lip synching 32 intelligibility 32 audio tapes 32 Beethoven symphony 32 coded 32 CallRex 32 videoclips 32 sensorimotor 32 suggestive 32 sibilant 32 speech 32 enhancing 32 locomotor 32 descriptive 32 mimicking 31 transcriptions 31 delusions hallucinations