Adult Humans 21 Phonetics 21 adult 21 human 21 phonetics speech female 19 male 19 Female 18 Male 18 Speech Acoustics 15 Speech Perception 14 speech perception 14 article 11 human experiment 11 Speech 9 physiology 8 Speech perception 7 Young Adult 6 language 6 young adult 6 Language 5 Linguistics 4 auditory stimulation 4 vowel 4 Acoustic Stimulation 3 Cochlear Implants 3 Cues 3 Hearing Loss 3