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Speech-in-noise

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https://www.readbyqxmd.com/read/28638329/the-contribution-of-cognitive-factors-to-individual-differences-in-understanding-noise-vocoded-speech-in-young-and-older-adults
#1
Stephanie Rosemann, Carsten Gießing, Jale Özyurt, Rebecca Carroll, Sebastian Puschmann, Christiane M Thiel
Noise-vocoded speech is commonly used to simulate the sensation after cochlear implantation as it consists of spectrally degraded speech. High individual variability exists in learning to understand both noise-vocoded speech and speech perceived through a cochlear implant (CI). This variability is partly ascribed to differing cognitive abilities like working memory, verbal skills or attention. Although clinically highly relevant, up to now, no consensus has been achieved about which cognitive factors exactly predict the intelligibility of speech in noise-vocoded situations in healthy subjects or in patients after cochlear implantation...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28624645/cingulo-opercular-activity-affects-incidental-memory-encoding-for-speech-in-noise
#2
Kenneth I Vaden, Susan Teubner-Rhodes, Jayne B Ahlstrom, Judy R Dubno, Mark A Eckert
Correctly understood speech in difficult listening conditions is often difficult to remember. A long-standing hypothesis for this observation is that the engagement of cognitive resources to aid speech understanding can limit resources available for memory encoding. This hypothesis is consistent with evidence that speech presented in difficult conditions typically elicits greater activity throughout cingulo-opercular regions of frontal cortex that are proposed to optimize task performance through adaptive control of behavior and tonic attention...
June 15, 2017: NeuroImage
https://www.readbyqxmd.com/read/28623107/speech-in-noise-perception-in-unilateral-hearing-loss-relation-to-pure-tone-thresholds-and-brainstem-plasticity
#3
Nicolas Vannson, Chris J James, Bernard Fraysse, Boris Lescure, Kuzma Strelnikov, Olivier Deguine, Pascal Barone, Mathieu Marx
We investigated speech recognition in noise in subjects with mild to profound levels of unilateral hearing loss. Thirty-five adults were evaluated using an adaptive signal-to-noise ratio (SNR50) sentence recognition threshold test in three spatial configurations. The results revealed a significant correlation between pure-tone average audiometric thresholds in the poorer ear and SNR thresholds in the two conditions where speech and noise were spatially separated: dichotic - with speech presented to the poorer ear and reverse dichotic - with speech presented to the better ear...
June 13, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28599569/the-effect-of-visual-distraction-on-auditory-visual-speech-perception-by-younger-and-older-listeners
#4
Julie I Cohen, Sandra Gordon-Salant
Visual distractions are present in real-world listening environments, such as conversing in a crowded restaurant. This study examined the impact of visual distractors on younger and older adults' ability to understand auditory-visual (AV) speech in noise. AV speech stimuli were presented with one competing talker and with three different types of visual distractors. SNR50 thresholds for both listener groups were affected by visual distraction; the poorest performance for both groups was the AV + Video condition, and differences across groups were noted for some conditions...
May 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28599552/the-development-of-gaze-to-a-speaking-face
#5
Julia Irwin, Lawrence Brancazio, Nicole Volpe
When a speaker talks, the visible consequences of what they are saying can be seen. Listeners are influenced by this visible speech both in a noisy listening environment and even when auditory speech can easily be heard. While visible influence on heard speech has been reported to increase from early to late childhood, little is known about the mechanism that underlies this developmental trend. One possible account of developmental differences is that looking behavior to the face of a speaker changes with age...
May 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28590898/tinnitus-management-randomized-controlled-trial-comparing-extended-wear-hearing-aids-conventional-hearing-aids-and-combination-instruments
#6
James A Henry, Garnett McMillan, Serena Dann, Keri Bennett, Susan Griest, Sarah Theodoroff, Shien Pei Silverman, Susan Whichard, Gabrielle Saunders
BACKGROUND: Whereas hearing aids have long been considered effective for providing relief from tinnitus, controlled clinical studies evaluating this premise have been very limited. PURPOSE: The purpose of this study was to systematically determine the relative efficacy of conventional receiver-in-the-canal hearing aids (HA), the same hearing aids with a sound generator (HA+SG), and extended-wear, deep fit hearing aids (EWHA), to provide relief from tinnitus through a randomized controlled trial...
June 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28587489/laboratory-evaluation-of-an-optimised-internet-based-speech-in-noise-test-for-occupational-high-frequency-hearing-loss-screening-occupational-earcheck
#7
Marya Sheikh Rashid, Monique C J Leensen, Jan A P M de Laat, Wouter A Dreschler
OBJECTIVE: The "Occupational Earcheck" (OEC) is a Dutch online self-screening speech-in-noise test developed for the detection of occupational high-frequency hearing loss (HFHL). This study evaluates an optimised version of the test and determines the most appropriate masking noise. DESIGN: The original OEC was improved by homogenisation of the speech material, and shortening the test. A laboratory-based cross-sectional study was performed in which the optimised OEC in five alternative masking noise conditions was evaluated...
June 6, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28570414/head-shadow-and-binaural-squelch-for-unilaterally-deaf-cochlear-implantees
#8
Joshua G W Bernstein, Gerald I Schuchman, Arnaldo L Rivera
BACKGROUND: Cochlear implants (CIs) can improve speech-in-noise performance for listeners with unilateral sensorineural deafness. But these benefits are modest and in most cases are limited to head-shadow advantages, with little evidence of binaural squelch. HYPOTHESIS: The goal of the investigation was to determine whether CI listeners with normal hearing or moderate hearing loss in the contralateral ear would receive a larger head-shadow benefit for target speech and noise originating from opposite sides of the head, and whether listeners would experience binaural squelch in the free field in a test involving interfering talkers...
May 31, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28542017/children-with-single-sided-deafness-use-their-cochlear-implant
#9
Melissa Jane Polonenko, Blake Croll Papsin, Karen Ann Gordon
OBJECTIVES: To assess acceptance of a cochlear implant (CI) by children with single-sided deafness (SSD) as measured by duration of CI use across daily listening environments. DESIGN: Datalogs for 7 children aged 1.1 to 14.5 years (mean ± SD: 5.9 ± 5.9 years old), who had SSD and were implanted in their deaf ear, were anonymized and extracted from their CI processors. Data for all available follow-up clinical appointments were included, ranging from two to six visits...
May 24, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28537138/development-and-evaluation-of-the-british-english-coordinate-response-measure-speech-in-noise-test-as-an-occupational-hearing-assessment-tool
#10
Hannah D Semeraro, Daniel Rowan, Rachel M van Besouw, Adrian A Allsopp
OBJECTIVE: The studies described in this article outline the design and development of a British English version of the coordinate response measure (CRM) speech-in-noise (SiN) test. Our interest in the CRM is as a SiN test with high face validity for occupational auditory fitness for duty (AFFD) assessment. DESIGN: Study 1 used the method of constant stimuli to measure and adjust the psychometric functions of each target word, producing a speech corpus with equal intelligibility...
May 24, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28534731/speech-recognition-in-nonnative-versus-native-english-speaking-college-students-in-a-virtual-classroom
#11
Dorothy Neave-DiToro, Adrienne Rubinstein, Arlene C Neuman
BACKGROUND: Limited attention has been given to the effects of classroom acoustics at the college level. Many studies have reported that nonnative speakers of English are more likely to be affected by poor room acoustics than native speakers. An important question is how classroom acoustics affect speech perception of nonnative college students. PURPOSE: The combined effect of noise and reverberation on the speech recognition performance of college students who differ in age of English acquisition was evaluated under conditions simulating classrooms with reverberation times (RTs) close to ANSI recommended RTs...
May 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28475546/improving-the-efficiency-of-speech-in-noise-hearing-screening-tests
#12
Cas Smits
OBJECTIVE: Speech-in-noise hearing screening tests have become increasingly popular. These tests follow an adaptive procedure with a fixed number of presentations to estimate the speech reception threshold. The speech reception threshold is compared with an established cutoff signal to noise ratio (SNR) for a pass result or refer result. A fixed SNR procedure was developed to improve the efficiency of speech-in-noise hearing screening tests. DESIGN: The cutoff SNR is used for all presentations in the fixed-SNR procedure...
May 4, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28439223/outer-hair-cell-and-auditory-nerve-function-in-speech-recognition-in-quiet-and-in-background-noise
#13
Richard Hoben, Gifty Easow, Sofia Pevzner, Mark A Parker
The goal of this study was to describe the contribution of outer hair cells (OHCs) and the auditory nerve (AN) to speech understanding in quiet and in the presence of background noise. Fifty-three human subjects with hearing ranging from normal to moderate sensorineural hearing loss were assayed for both speech in quiet (Word Recognition) and speech in noise (QuickSIN test) performance. Their scores were correlated with OHC function as assessed via distortion product otoacoustic emissions, and AN function as measured by amplitude, latency, and threshold of the VIIIth cranial nerve Compound Action Potential (CAP) recorded during electrocochleography (ECochG)...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28420270/stages-of-change-in-audiology-comparison-of-three-self-assessment-measures
#14
Elisabeth Ingo, K Jonas Brännström, Gerhard Andersson, Thomas Lunner, Ariane Laplante-Lévesque
OBJECTIVE: In a clinical setting, theories of health behaviour change could help audiologists and other hearing health care professionals understand the barriers that prevent people with hearing problems to seek audiological help. The transtheoretical (stages of change) model of health behaviour change is one of these theories. It describes a person's journey towards health behaviour change (e.g. seeking help or taking up rehabilitation) in separate stages: precontemplation, contemplation, preparation, action, and, finally, maintenance...
April 19, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28418327/auditory-and-cognitive-factors-associated-with-speech-in-noise-complaints-following-mild-traumatic-brain-injury
#15
Eric C Hoover, Pamela E Souza, Frederick J Gallun
BACKGROUND: Auditory complaints following mild traumatic brain injury (MTBI) are common, but few studies have addressed the role of auditory temporal processing in speech recognition complaints. PURPOSE: In this study, deficits understanding speech in a background of speech noise following MTBI were evaluated with the goal of comparing the relative contributions of auditory and nonauditory factors. RESEARCH DESIGN: A matched-groups design was used in which a group of listeners with a history of MTBI were compared to a group matched in age and pure-tone thresholds, as well as a control group of young listeners with normal hearing (YNH)...
April 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28406683/evaluating-the-sources-and-functions-of-gradiency-in-phoneme-categorization-an-individual-differences-approach
#16
Efthymia C Kapnoula, Matthew B Winn, Eun Jong Kong, Jan Edwards, Bob McMurray
During spoken language comprehension listeners transform continuous acoustic cues into categories (e.g., /b/ and /p/). While long-standing research suggests that phonetic categories are activated in a gradient way, there are also clear individual differences in that more gradient categorization has been linked to various communication impairments such as dyslexia and specific language impairments (Joanisse, Manis, Keating, & Seidenberg, 2000; López-Zamora, Luque, Álvarez, & Cobos, 2012; Serniclaes, Van Heghe, Mousty, Carré, & Sprenger-Charolles, 2004; Werker & Tees, 1987)...
April 13, 2017: Journal of Experimental Psychology. Human Perception and Performance
https://www.readbyqxmd.com/read/28395561/acoustic-and-perceptual-effects-of-magnifying-interaural-difference-cues-in-a-simulated-binaural-hearing-aid
#17
Tobias de Taillez, Giso Grimm, Birger Kollmeier, Tobias Neher
OBJECTIVE: To investigate the influence of an algorithm designed to enhance or magnify interaural difference cues on speech signals in noisy, spatially complex conditions using both technical and perceptual measurements. To also investigate the combination of interaural magnification (IM), monaural microphone directionality (DIR), and binaural coherence-based noise reduction (BC). DESIGN: Speech-in-noise stimuli were generated using virtual acoustics. A computational model of binaural hearing was used to analyse the spatial effects of IM...
April 10, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28390599/medial-olivocochlear-function-in-children-with-poor-speech-in-noise-performance-and-language-disorder
#18
Caroline Nunes Rocha-Muniz, Renata Mota Mamede Carvallo, Eliane Schochat
OBJECTIVES: Contralateral masking of transient-evoked otoacoustic emissions is a phenomenon that suggests an inhibitory effect of the olivocochlear efferent auditory pathway. Many studies have been inconclusive in demonstrating a clear connection between this system and a behavioral speech-in-noise listening skill. The purpose of this study was to investigate the activation of a medial olivocochlear (MOC) efferent in children with poor speech-in-noise (PSIN) performance and children with language impairment and PSIN (SLI + PSIN)...
May 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28389484/long-term-use-benefits-of-personal-frequency-modulated-systems-for-speech-in-noise-perception-in-patients-with-stroke-with-auditory-processing-deficits-a-non-randomised-controlled-trial-study
#19
Nehzat Koohi, Deborah Vickers, Jason Warren, David Werring, Doris-Eva Bamiou
OBJECTIVES: Approximately one in five stroke survivors suffer from difficulties with speech reception in noise, despite normal audiometry. These deficits are treatable with personal frequency-modulated systems (FMs). This study aimed to evaluate long-term benefits in speech reception in noise, after daily 10-week use of personal FMs, in non-aphasic patients with stroke with auditory processing deficits. DESIGN: This was a prospective non-randomised controlled trial study...
April 7, 2017: BMJ Open
https://www.readbyqxmd.com/read/28372135/spatial-release-from-masking-based-on-binaural-processing-for-up-to-six-maskers
#20
William A Yost
Spatial Release from Masking (SRM) was measured for identification of a female target word spoken in the presence of male masker words. Target words from a single loudspeaker located at midline were presented when two, four, or six masker words were presented either from the same source as the target or from spatially separated masker sources. All masker words were presented from loudspeakers located symmetrically around the centered target source in the front azimuth hemifield. Three masking conditions were employed: speech-in-speech masking (involving both informational and energetic masking), speech-in-noise masking (involving energetic masking), and filtered speech-in-filtered speech masking (involving informational masking)...
March 2017: Journal of the Acoustical Society of America
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