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Speech Intelligibility Enhancement Algorithm Based on Multi-Resolution Power-Normalized Cepstral Coefficients(MRPNCC)for Digital hearing Aids

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Computer Modeling in Engineering & Sciences 2021年第2期126卷 693-710页

作者： Xia Wang Xing Deng Hongming Shen Guodong Zhang Shibing Zhang School of Information Science and Technology Nantong UniversityNantong226019China School of Automation Key Laboratory of Measurement and Control for CSEMinistry of EducationSoutheast UniversityNanjing210096China School of Computer Science Jiangsu University of Science and TechnologyZhenjiang212003China

Speech intelligibility enhancement in noisy environments is still one of the major challenges for hearing impaired in everyday ***,Machine-learning based approaches to speech enhancement have shown great promise for improving speech *** key issues of these approaches are acoustic features extracted from noisy signals and classifiers used for supervised *** this paper,features are ***-resolution power-normalized cepstral coefficients(MRPNCC)are proposed as a new feature to enhance the speech intelligibility for hearing *** new feature is constructed by combining four cepstrum at different time–frequency(T–F)resolutions in order to capture both the local and contextual *** vectors and binary masking labels calculated by signals passed through gammatone filterbank are used to train support vector machine(SVM)classifier,which aim to identify the binary masking values of the T–F units in the enhancement *** enhanced speech is synthesized by using the estimated masking values and wiener filtered T–F *** experimental results demonstrate that the proposed feature is superior to other comparing features in terms of HIT-FA,STOI,HASPI and PESQ,and that the proposed algorithm not only improves speech intelligibility but also improves speech quality *** tests validate the effectiveness of the proposed algorithm for hearing impaired.

关键词： Speech intelligibility enhancement multi-resolution power-normalized cepstral coefficients binary masking value hearing impaired

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A comparison of the quality of life of parents of children using hearing aids and those using cochlear implants

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Journal of Otology 2022年第4期17卷 211-217页

作者： Saranya Arya Mundayoor Prabuddha Bhatarai Prashanth Prabhu All India Institute of Speech and hearing MysoreIndia

Objective:The goal of this study was to evaluate the quality of life of parents of children who use hearing aids(HA)with those who use cochlear implants(CI)in the Indian context and document any differences ***:The Kannada version of the AQoL-4D was administered in a modified fashion to 131 parents(87 HA and 44 CI).Sociodemographic details were collected for supplemental information on the intervention strategy ***:A total of 49 parents(29 HA and 20 CI)responded to the questionnaire *** mean total scores for both the groups were similar(HA group=17.9(SD=5.5),CI group=17.2(SD=3.4)),as was the score for the first subscale(HA group=8.6(SD=2.9);CI group=8.5(SD=2.6))of the *** significant differences were found between the two groups on either scores[Total Score:U(N_(HA)=29,NCI=20)=280.5,z=0.194,p>0.05;Subscale 1 Score:U(N_(HA)=29,NCI=20)=281.5,z=-0.176,p>0.05].The degree of hearing loss in the hearing aid group was equivalent to that of the cochlear implant group but this did not appear to influence parental quality of ***:Parents of children with hearing aids and cochlear implants appear to be similar on several psychosocial factors in the realms of functional,social,and psychological *** terms of parental quality of life,hearing aids and cochlear implants appear to be equally effective intervention techniques.

关键词： Quality of life Parents Cochlear implants hearing aids Children hearing impaired

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Home-based Early Intervention on Auditory and Speech Development in Mandarin-speaking Deaf Infants and Toddlers with Chronological Aged 7-24 Months

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Chinese Medical Journal 2015年第16期128卷 2202-2207页

作者： Ying Yang Yue-Hui Liu Ming-Fu Fu Chun-Lin Li Li-Yan Wang Qi Wang Xi-Bin Su Department of Otolaryngology Head and Neck Surgery The Second Affiliated Hospital of Nanchang University Nanchang Jiangxi 330006 China Key Laboratory of Speech and hearing Sciences Ministry of Education Department of Speech and Hearing Rehabilitation Sciences East China Norma University Shanghai 200062 China Department of Orthopaedics The Second Affiliated Hospital of Nanchang University Nanchang Jiangxi 330006 China Department of Otolaryngology Head and Neck Surgery Ningbo First Hospital Ningbo Zhejiang 315700 China Department of Audiology Center China Rehabilitation Research Center for Deaf Children Beijing 100029 China

Background：Early auditory and speech development in home-based early intervention of infants and toddlers with hearing loss younger than 2 years are still spare in *** study aimed to observe the development of auditory and speech in deaf infants and toddlers who were fitted with hearing aids and/or received cochlear implantation between the chronological ages of 7-24 months,and analyze the effect of chronological age and recovery time on auditory and speech development in the course of home-based early ***：This longitudinal study included 55 hearing impaired children with severe and profound binaural deafness,who were divided into Group A （7-12 months）,Group B （13-18 months） and Group C （19-24 months） based on the chronological *** auditory performance （CAP） and speech intelligibility rating scale （SIR） were used to evaluate auditory and speech development at baseline and 3,6,9,12,18,and 24 months of *** statistics were used to describe demographic features and were analyzed by repeated measures analysis of ***：With 24 months of hearing intervention,78% of the patients were able to understand common phrases and conversation without lip-reading,96% of the patients were intelligible to a *** three groups,children showed the rapid growth of trend features in each period of *** and SIR scores have developed rapidly within 24 months after fitted auxiliary device in Group A,which performed much better auditory and speech abilities than Group B （P 〈 0.05） and Group C （P 〈 0.05）.Group B achieved better results than Group C,whereas no significant differences were observed between Group B and Group C （P 〉 0.05）.Conclusions：The data suggested the early hearing intervention and home-based habilitation benefit auditory and speech *** age and recovery time may be major factors for aural verbal outcomes in hearing impaired *** development of auditory and speech

关键词： Auditory Performance hearing impaired Home-based Early Intervention Speech Intelligible

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