title: Some sectrographic and perceptual features of vocal fry, abnormally rough and modal register vowel phonations.
mesh_terms: D000162:Acoustics; D000328:Adult; D001307:Auditory Perception; D006801:Humans; D008297:Male; D009622:Noise; D010700:Phonetics; D013057:Spectrum Analysis; D013637:Tape Recording; D013997:Time Factors; D014831:Voice