title: Children weight dynamic spectral structure more than adults: evidence from equivalent signals.
abstract: Earlier work using sine-wave and noise-vocoded signals suggests that dynamic spectral structure plays a greater role in speech recognition for children than adults [Nittrouer and Lowenstein. (2010). J. Acoust. Soc. Am. 127, 1624-1635], but questions arise concerning whether outcomes can be compared because sine waves and wide noise bands are different in nature. The current study addressed that question using narrow noise bands for both signals, and applying a difference ratio to index the contribution made by dynamic spectral structure. Results replicated earlier findings, supporting the idea that dynamic spectral structure plays a critical role in speech recognition, especially for children.
authors.affiliation: Department of Otolaryngology, The Ohio State University, 915 Olentangy River Road, Suite 4000, Columbus, Ohio 43212, USA. lowenstein.6@osu.edu
authors.forename: Joanna H
authors.initials: JH
authors.lastname: Lowenstein
authors.forename: Susan
authors.initials: S
authors.lastname: Nittrouer
authors.forename: Eric
authors.initials: E
authors.lastname: Tarr
mesh_terms: D000161:Acoustic Stimulation; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000704:Analysis of Variance; D001302:Audiometry, Speech; D001309:Auditory Threshold; D002648:Child; D002675:Child, Preschool; D006801:Humans; D046709:Pattern Recognition, Physiological; D021641:Recognition, Psychology; D013018:Sound Spectrography; D013065:Speech Intelligibility; D013067:Speech Perception; D055815:Young Adult