title: Effect of temporal modulation rate on the intelligibility of phase-based speech.
abstract: This study investigated the effect of temporal modulation rate on the intelligibility of speech synthesized with primarily phase information using two methods: Phase-based vocoded speech (preserving phase cues and discarding envelope cues) and Hilbert fine-structure stimuli (summing up the multi-channel Hilbert fine-structure waveforms). Listening experiments with normal-hearing participants showed that the intelligibility of the two types of phase-based speech was significantly improved when synthesized using a high temporal modulation rate (or short frame) compared to that synthesized using the whole speech segment. This intelligibility advantage appears to be attributed to better preservation of the temporal envelope cues in phase-based speech.
authors: Division of Speech and Hearing Sciences, The University of Hong Kong, Prince Philip Dental Hospital, 34 Hospital Road, Hong Kong feichen1@hku.hk.
authors: Fei
authors: F
authors: Chen
authors: Research Centre of Biomedical Engineering, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China guantian@sz.tsinghua.edu.cn.
authors: Tian
authors: T
authors: Guan
mesh_terms: D000161:Acoustic Stimulation; D001302:Audiometry, Speech; D001309:Auditory Threshold; D003463:Cues; D006801:Humans; D008297:Male; D010898:Pitch Perception; D021641:Recognition, Psychology; D013061:Speech Acoustics; D013065:Speech Intelligibility; D013067:Speech Perception; D013997:Time Factors