93 Hits in 4.6 sec

An Improved Perceptual MBSS Noise Reduction with an SNR-Based VAD for a Fully Operational Digital Hearing Aid

Zhaoyang GUO, Xin'an WANG, Bo WANG, Shanshan YONG
2017 IEICE transactions on information and systems  
So the proposed digital hearing aid chip is a promising candidate for high performance hearing-aid systems. key words: digital hearing aid, noise reduction, multiband spectral subtraction, voice activity  ...  Then this paper presents an improved perceptual multiband spectral subtraction (MBSS) noise reduction algorithm (NRA) and a novel robust voice activity detection (VAD) based on the amended sub-band SNR  ...  Exactly the multiband spectral subtraction (MBSS) can provide a good tradeoff between quality and computational complexity. So it has been a good choice for hearing aid applications.  ... 
doi:10.1587/transinf.2016edp7484 fatcat:4skxeuwxxjh6vmbxtlwraf42ii

Wiener Filter Based Noise Reduction Algorithm with Perceptual Post Filtering for Hearing Aids

Rajani S. Pujar, Electronics and Communication Engineering Department Basaveshwar Engineering College (Autonomous) Bagalkot-587102, Karnataka, India
2019 International Journal of Image Graphics and Signal Processing  
This paper presents a filter bank summation method to perform spectral splitting of input signal for binaural dichotic presentation along with dynamic range compression coupled with noise reduction algorithm  ...  To evaluate the intelligibility of the perceived speech, listening test was carried out for hearing impaired (moderate Sensorineural Hearing Loss (SNHL)) persons in the presence of background noise using  ...  ACKNOWLEDGEMENTS We are very much thankful to reviewers for useful comments.  ... 
doi:10.5815/ijigsp.2019.07.06 fatcat:acji6nbhx5dsjkip2dxcjl2bam

Speech enhancement and multi-band frequency compression for suppression of noise and intraspeech spectral masking in hearing aids

Nitya Tiwari, Santosh K. Waddi, Prem C. Pandey
2013 2013 Annual IEEE India Conference (INDICON)  
Speech enhancement using spectral subtraction can be used for suppressing the external noise.  ...  Sensorineural hearing impairment is associated with increased intraspeech spectral masking and results in degraded speech perception in noisy environment due to increased masking.  ...  For use in a hearing aid, the processing techniques should have low algorithmic delay and computational complexity for implementation on a low-power processor.  ... 
doi:10.1109/indcon.2013.6726008 fatcat:m2srzhdqgza25kpjv4bild3tq4

Performance Improvement of Digital Hearing Aid Systems

Isiaka Ajewale Alimi
2015 Journal of Communications Technology Electronics and Computer Science  
In this study, an adaptive spectral subtraction algorithm is implemented using the noise-estimation algorithm for highly non-stationary noisy environments instead of the voice activity detection (VAD)  ...  One of the main functions of the digital signal processor (DSP) of digital hearing aid systems is noise reduction which can be achieved by speech enhancement algorithms which in turn improve system performance  ...  Therefore, noise reduction for hearing aids requires an effective signal model for the system. III.  ... 
doi:10.22385/jctecs.v1i0.15 fatcat:gf6xjgfpznhe3k2vrzekm2zmkm

A Thorough Investigation on Speech Enhancement Techniques for Hearing Aids

N. Shanmugapriya, E. Chandra
2014 International Journal of Computer Applications  
In hearing aid applications, the speech enhancement technique has been employed mainly for dipping the additive background noise.  ...  , transformations, and spectral subtraction technique.  ...  SURVEY OF SPEECH ENHANCEMENT FOR HEARING AIDS Santosh et al (2013) [7] proposed a spectral subtraction technique is in modern hearing aids utilized for real-time speech enhancement.  ... 
doi:10.5120/17432-7957 fatcat:hznhpltdgrg6foncuzpui4xy7u

A sliding-band dynamic range compression for use in hearing aids

Nitya Tiwari, Prem C. Pandey
2014 2014 Twentieth National Conference on Communications (NCC)  
Dynamic range compression in the hearing aids is provided for restoring normal loudness of low level sounds without making the high level sounds uncomfortably loud.  ...  A sliding-band compression is presented for significantly reducing the temporal and spectral distortions generally associated with the currently used single and multiband compression techniques.  ...  For improving speech perception in noisy environment, single-input speech enhancement technique such as spectral subtraction [9] , [10] may be used for noise reduction.  ... 
doi:10.1109/ncc.2014.6811300 dblp:conf/ncc/TiwariP14 fatcat:2xamkuxmyvazra6jdag3umbmdy

Improved Noise Minimum Statistics Estimation Algorithm for Using in a Speech-Passing Noise-Rejecting Headset

Saeed Seyedtabaee, Hamze Moazami Goodarzi
2010 EURASIP Journal on Advances in Signal Processing  
Studies are conducted for picking an appropriate algorithm. A modified version of the well-known spectral subtraction shows superior performance against alternate methods.  ...  Since variation in angle grinder working condition changes noise statistics, the noise will be nonstationary with possible jumps in its power.  ...  Single-channel systems are the most common real-time scenario algorithms, since the second channel is not available in most of the applications, for example mobile communication, hearing aids, speech recognition  ... 
doi:10.1155/2010/395048 fatcat:igbpd3ft2zbfxnyqpdrsdx5zsa

A Generalized Time–Frequency Subtraction Method for Robust Speech Enhancement Based on Wavelet Filter Banks Modeling of Human Auditory System

Yu Shao, Chip-Hong Chang
2007 IEEE Transactions on Systems Man and Cybernetics Part B (Cybernetics)  
[14] proposed the perceptual time-frequency subtraction algorithm for noise reduction in hearing aids.  ...  generalized spectral subtraction [26] , multiband spectral subtraction [13] , spectral subtraction based on priori SNR [11] , spectral subtraction based on the masking properties of the human auditory  ...  (NTU), Singapore, in 1993 and 1998, respectively.  ... 
doi:10.1109/tsmcb.2007.895365 pmid:17702286 fatcat:fqwl4yuasfeovijbsen3wlusiq

Neuromorphic Pitch Based Noise Reduction for Monosyllable Hearing Aid System Application

Yu-Jui Chen, Cheng-Wen Wei, Yi FanChiang, Yi-Le Meng, Yi-Cheng Huang, Shyh-Jye Jou
2014 IEEE Transactions on Circuits and Systems Part 1: Regular Papers  
This paper presents a low computational complexity hardware-oriented neuromorphic pitch based noise reduction (NR) algorithm and hardware implementation for monosyllable hearing aid system applications  ...  Compared with multiband (mband) spectral subtraction and minimum mean square error (mmse) algorithms, the computational complexity of the proposed algorithm can save 90% computational complexity.  ...  CONCLUSION In this paper, a low computational complexity hardware-oriented neuromorphic pitch based noise reduction algorithm and hardware implementation for monosyllable hearing aid system applications  ... 
doi:10.1109/tcsi.2013.2278348 fatcat:tjpgxt3kmzavfjltdfhuhz2lpy

Assessing the effect of noise-reduction to the intelligibility of low-pass filtered speech

Huimin Zhuge, Lei Wang, Fei Chen, Dingchang Zheng
2016 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)  
Given the fact that most hearing-impaired listeners have low-frequency residual hearing, the present work assessed the effect of applying commonly-used singlechannel noise-reduction (NR) algorithms to  ...  Mandarin sentences were corrupted by steady-state speechshaped noise and processed by four types (i.e., subspace, statistical-modeling, spectral-subtractive, and Wiener-filtering) of single-channel NR  ...  Error (logMMSE) algorithm [13] , the multiband spectral subtraction algorithm (MB) [14] , and the Wiener algorithm based on a priori SNR estimation (Wiener) [15] .  ... 
doi:10.1109/embc.2016.7591743 pmid:28269292 dblp:conf/embc/ZhugeWCZ16 fatcat:7dnnvkytubb2nolvf4sdfwkcbm

A Survey on Application Specific Processor Architectures for Digital Hearing Aids

Lukas Gerlach, Guillermo Payá-Vayá, Holger Blume
2021 Journal of Signal Processing Systems  
The different hearing aid implementations are compared in terms of power consumption, silicon area, and computing performance for the algorithms used.  ...  Challenges for the design of future hearing aid processors are discussed based on current trends and developments.  ...  The authors of [72] propose a sample-based perceptual multiband noise reduction algorithm as a basis for the design of a dedicated digital hearing aid architecture.  ... 
doi:10.1007/s11265-021-01648-0 fatcat:t52p755lgrdaden7af5ffpoise

Semi-Supervised Learning to Enhance Speech Signal for Mobile Communication

Purushotham Ugraiah, Chethan Kanakapura Shivabasave Gowda
2020 SN Computer Science  
Most of the disturbances are non-stationary where the effect of noise is non-uniform for all spectral components.  ...  In the projected algorithm training, the system is completed with a set of speech and noise data base.  ...  In order to train the system for the noise removal properties, tuning factors should be varied for diverse kind of noise signals as given by Kamath [23] for modified spectral subtraction For the four  ... 
doi:10.1007/s42979-020-00374-x fatcat:pj6pch3bibamzmfsuzglgibwp4

A Survey on Techniques for Enhancing Speech

Tayseer M., Ahsan Adeel, Amir Hussain
2018 International Journal of Computer Applications  
Various methods used include wiener filter, statistical methods, subspace method, basic spectral subtraction method and spectral subtraction.  ...  Some of the interferences that may affect the speech quality of transit include acoustic additive noise, acoustic reverberation or white Gaussian noise.  ...  It refines speech and reduces noise, it is used in a variety of domains for example to assist in hearing and other applications such as mobile phones, teleconferencing system, hearing aids, voice communication  ... 
doi:10.5120/ijca2018916290 fatcat:24ribi6izbat5ggndg7qdame24

A New Robust Hybrid Approach to Enhance Speech in Mobile Communication Systems

2011 American Journal of Applied Sciences  
Problem statement: The received voice signal in mobile communication is often disturbed by background noise and hence there is a need for good noise reduction methods for enhancing Speech.  ...  Approach: The proposed system uses the combination of dual band Spectral Subtraction method with adaptive noise estimator for pre-processing, in order to initially reduce the noise level and further the  ...  in a variety of contexts, such as in environments with interfering background noise and in speech recognition systems, hands free environment for cars, hearing aids.  ... 
doi:10.3844/ajassp.2011.332.342 fatcat:xkk5aemluzberkjleffvstnynm

Challenges and Recent Developments in Hearing Aids: Part I. Speech Understanding in Noise, Microphone Technologies and Noise Reduction Algorithms

King Chung
2004 Trends in Amplification  
This review discusses the challenges in hearing aid design and fitting and the recent developments in advanced signal processing technologies to meet these challenges.  ...  These technologies include the microphone technologies that take advantage of the spatial differences between speech and noise and the noise reduction algorithms that take advantage of the spectral difference  ...  In theory, multichannel adaptive noise reduction algorithms are the most effective in their noise reduction efforts when there is spectral differences between speech and noise.  ... 
doi:10.1177/108471380400800302 pmid:15678225 pmcid:PMC4111442 fatcat:uabs4ynqjzd4fny5ldqh5safyi
« Previous Showing results 1 — 15 out of 93 results