Humans 9 Speech production human 9 speech 8 Speech 7 Adult 6 Phonetics 6 adult 6 male 6 phonetics 6 female 5 Language 4 article 4 human experiment 4 language 4 Male 3 Speech Acoustics 3 Speech Perception 3 physiology 3 speech perception 3 Article 2 Female 2 Learning 2 Speech Production Measurement 2 acoustics 2 awareness 2 controlled study 2 interpersonal communication 2 learning 2 memory 2