Fogerty, Daniel Alghamdi, Ahmed Chan, Wai-Yip
Published in
The Journal of the Acoustical Society of America
Individual acoustic parameters of reverberation have the potential to affect both the intelligibility of speech and the degree of perceived reverberation. The current experiments used monaural acoustic simulations to investigate the effect of reverberation time (RT) and direct-to-reverberant ratio (DRR) on word and sentence intelligibility at diffe...
Mayo, Paul G. Goupell, Matthew J.
Published in
The Journal of the Acoustical Society of America
Bilateral cochlear-implant (BICI) listeners primarily use interaural level differences (ILDs) to localize sound in the horizontal plane. However, the ILD magnitude is altered at different frequencies and azimuths due to a combination of several acoustic phenomena such as the acoustical bright spot, acoustic axis, and microphone porting. This paper ...
Wang, Xianhui Xu, Li
Published in
The Journal of the Acoustical Society of America
Lexical tone recognition in multiple-talker babbles ( N = 1, 2, 4, 8, 10, or 12) and in speech-shaped noise at different signal-to-noise ratios (SNRs = −18 to −6 dB) were tested in 30 normal-hearing native Mandarin-speaking listeners. Results showed that tone perception was robust to noise. The performance curve as a function of N was non-monotonic...
Zhang, Zhaoyan
Published in
The Journal of the Acoustical Society of America
The goal of this study is to estimate vocal fold geometry, stiffness, position, and subglottal pressure from voice acoustics, toward clinical and other voice technology applications. Unlike previous voice inversion research that often uses lumped-element models of phonation, this study explores the feasibility of voice inversion using data generate...
Milenkovic, Paul H. Wagner, Madison Kent, Raymond D. Story, Brad H. Vorperian, Houri K.
Published in
The Journal of the Acoustical Society of America
The purpose of this study was to assess the effect of downsampling the acoustic signal on the accuracy of linear-predictive (LPC) formant estimation. Based on speech produced by men, women, and children, the first four formant frequencies were estimated at sampling rates of 48, 16, and 10 kHz using different anti-alias filtering. With proper select...
Billings, Curtis J. Gordon, Samuel Y. McMillan, Garnett P. Gallun, Frederick J. Molis, Michelle R. Konrad-Martin, Dawn
Published in
The Journal of the Acoustical Society of America
Measures of signal-in-noise neural encoding may improve understanding of the hearing-in-noise difficulties experienced by many individuals in everyday life. Usually noise results in weaker envelope following responses (EFRs); however, some studies demonstrate EFR enhancements. This experiment tested whether noise-induced enhancements in EFRs are de...
Fogerty, Daniel Iftikhar, Irraj Madorskiy, Rachel
Published in
The Journal of the Acoustical Society of America
The current study investigated how partial speech and text information, distributed at various interruption rates, is combined to support sentence recognition in quiet. Speech and text stimuli were interrupted by silence and presented unimodally or combined in multimodal conditions. Across all conditions, performance was best at the highest interru...
Kumar, Manoj Kim, So Hyun Lord, Catherine Narayanan, Shrikanth
Published in
The Journal of the Acoustical Society of America
While deep learning has driven recent improvements in audio speaker diarization, it often faces performance issues in challenging interaction scenarios and varied acoustic settings such as between a child and adult (caregiver/examiner). In this work, the role of contextual factors that affect diarization performance in such interactions is analyzed...
Best, Virginia Conroy, Christopher Kidd, Gerald Jr.
Published in
The Journal of the Acoustical Society of America
This study tested the hypothesis that adding noise to a speech mixture may cause both energetic masking by obscuring parts of the target message and informational masking by impeding the segregation of competing voices. The stimulus was the combination of two talkers—one target and one masker—presented either in quiet or in noise. Target intelligib...
Johnson, Keith
Published in
The Journal of the Acoustical Society of America
Speech produced by children is characterized by a high fundamental frequency which complicates measurement of vocal tract resonances, and hence coarticulation. Here two whole-spectrum measures of coarticulation are validated, one temporal and one spectral, that are less sensitive to these challenges. Using these measures, consonant-vowel coarticula...
