Applied Acoustics最新文献_第10页

A multi-task learning and auditory attention detection framework towards EEG-assisted target speech extraction

IF 3.4 2区物理与天体物理

Applied Acoustics Pub Date : 2024-12-12 DOI: 10.1016/j.apacoust.2024.110474

Xuefei Wang , Yuting Ding , Lei Wang , Fei Chen

{"title":"A multi-task learning and auditory attention detection framework towards EEG-assisted target speech extraction","authors":"Xuefei Wang , Yuting Ding , Lei Wang , Fei Chen","doi":"10.1016/j.apacoust.2024.110474","DOIUrl":"10.1016/j.apacoust.2024.110474","url":null,"abstract":"<div><div>In complex multi-speaker environments, effectively separating the target speaker's voice remains a significant challenge. Traditional methods often rely on pre-recorded clean speech as a reference, which performs well in controlled settings but has limitations in more diverse conditions. Recently, the use of deep learning techniques has advanced speech separation technology, but limitations remain, especially when dealing with multiple speakers and complex background noise. In this study, we propose a novel EEG-assisted target speech extraction network based on multi-task learning, named MLAD-ETSEN. The approach combines EEG auditory attention detection with speech separation techniques. This method is based on the classical Conv-TasNet backbone network and utilizes joint training to extract speech and EEG embeddings from speech mixtures and EEG trials, respectively. To take full advantage of these embeddings, a symmetrically combined cross-attention module is designed to deeply integrate these features, which are then fed into a decoder to reconstruct the final speech waveform. The experimental results show that the model using the symmetrically combined cross-attention module for information fusion, under multi-task training with EEG auditory attention detection significantly outperforms existing baseline methods. Compared to the baseline model, the proposed MLAD-ETSEN model achieved a relative improvement of 15.70% in SI_SDR across all subjects. The STOI and PESQ scores improved by an average of 0.08 and 0.55, respectively, compared to the assessment before separation. The proposed EEG-assisted target speech extraction method exhibits its potential in accurately identifying and separating the target speech in multi-speaker environments.</div></div>","PeriodicalId":55506,"journal":{"name":"Applied Acoustics","volume":"231 ","pages":"Article 110474"},"PeriodicalIF":3.4,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143095736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Bidirectional joint iteration adaptive estimation of underwater acoustic channel

IF 3.4 2区物理与天体物理

Applied Acoustics Pub Date : 2024-12-12 DOI: 10.1016/j.apacoust.2024.110440

Zhengliang Zhu , Feng Tong , Weihua Jiang

{"title":"Bidirectional joint iteration adaptive estimation of underwater acoustic channel","authors":"Zhengliang Zhu , Feng Tong , Weihua Jiang","doi":"10.1016/j.apacoust.2024.110440","DOIUrl":"10.1016/j.apacoust.2024.110440","url":null,"abstract":"<div><div>Underwater acoustic (UWA) channel estimation is crucial for enhancing UWA communication. Conventional adaptive channel estimation techniques, relying on adaptive filtering algorithms, often falter under conditions of significant time variation, low signal-to-noise ratios (SNR), or extensive multipath delay spread. Drawing inspiration from bidirectional channel equalization, which mitigates error propagation via directional diversity, we propose the innovative adaptive filtering algorithms that simultaneously leverages bidirectional diversity through joint iteration. Specifically, the proposed algorithm exploits the time-reversal (TR) correlation relationship between the forward and reverse channel. By integrating coefficients from both forward and reverse adaptive filters and feeding them back as iterative initial values, we create a bidirectional joint iteration adaptive filtering framework compatible with conventional algorithms such as least mean square (LMS) and recursive least square (RLS). Meanwhile, we provide the theoretical derivation of optimal weight factors for both directions, maximizing diversity gains. Additionally, we present theoretical models detailing the transient behavior of the proposed algorithms. Numerical simulation and field experiment results demonstrate the superior performance of our bidirectional joint iteration adaptive filtering algorithms, particularly in challenging environments characterized by time-variation, impulsive noise, and low SNR.</div></div>","PeriodicalId":55506,"journal":{"name":"Applied Acoustics","volume":"231 ","pages":"Article 110440"},"PeriodicalIF":3.4,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143095372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An auxiliary diagnostic systematic for dysarthria in stroke patients based on spectrogram acoustic characteristics

IF 3.4 2区物理与天体物理

Applied Acoustics Pub Date : 2024-12-12 DOI: 10.1016/j.apacoust.2024.110479

Wujian Ye , Dongdong Yang , Yijun Liu , Zhiwei Mou , Chin-Chen Chang

引用次数: 0

A hybrid acoustic metamaterial for low-frequency constant nearly perfect sound absorption with large deformation

IF 3.4 2区物理与天体物理

Applied Acoustics Pub Date : 2024-12-12 DOI: 10.1016/j.apacoust.2024.110481

Jingjian Xu , Boyang Zhao , Xiang Song , Dan Sui , Heye Xiao , Jie Zhou , Gang Long

{"title":"A hybrid acoustic metamaterial for low-frequency constant nearly perfect sound absorption with large deformation","authors":"Jingjian Xu , Boyang Zhao , Xiang Song , Dan Sui , Heye Xiao , Jie Zhou , Gang Long","doi":"10.1016/j.apacoust.2024.110481","DOIUrl":"10.1016/j.apacoust.2024.110481","url":null,"abstract":"<div><div>The sound absorption capacity of cavity-based absorbers is inevitably severely affected by structural deformation due to external loads, and dynamic tunability of the absorption frequency cannot be achieved once fabrication is complete. In this work, a novel compressible hybrid metamaterial for low-frequency constant sound absorption is proposed, which ingeniously combines the characteristics of origami-inspired V-shaped and helical structures, integrating a Helmholtz resonator with two extended necks and a micro-perforated panel resonator. The metamaterial is manufactured using 3D printing technology. Experimental and analytical results demonstrate that the nearly perfect sound absorption is constantly maintained at 315 Hz no matter how the absorber deforms, while the second absorption peak can be tuned from 509 Hz to 682 Hz with a compression strain range of 0 % to 31.3 %. The absorber also exhibits excellent absorption at oblique incidence angles up to 60°, both before and after deformation. Moreover, by employing a coupled unit strategy the low-frequency absorption bandwidth can be broadened, while maintaining stability within the range of 316–391 Hz during structural deformation. This design strategy provides a promising approach for enabling adaptive sound absorption and multifunctional metamaterials, opening up new possibilities for tunable noise control applications.</div></div>","PeriodicalId":55506,"journal":{"name":"Applied Acoustics","volume":"231 ","pages":"Article 110481"},"PeriodicalIF":3.4,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143095370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Improvement of pipeline leak detection method: Integration of spectral entropy and sample entropy for better description of complexity features

IF 3.4 2区物理与天体物理

Applied Acoustics Pub Date : 2024-12-10 DOI: 10.1016/j.apacoust.2024.110458

Zhou Hong , Tangqi Lv , Dan Zhao , Liqiang Dong , Shaogang Liu , Siliang Zhao

{"title":"Improvement of pipeline leak detection method: Integration of spectral entropy and sample entropy for better description of complexity features","authors":"Zhou Hong , Tangqi Lv , Dan Zhao , Liqiang Dong , Shaogang Liu , Siliang Zhao","doi":"10.1016/j.apacoust.2024.110458","DOIUrl":"10.1016/j.apacoust.2024.110458","url":null,"abstract":"<div><div>Entropy measures signal complexity and can aid in pipeline leak detection, but most studies rely on time-domain entropy alone, overlooking spectral complexity. In the vicinity of pipeline systems, there are often complex machines operating continuously. During the experiment, noise from an air compressor was often mistaken for a leak signal due to overlapping time-domain entropy characteristics. To address this, we analyze the failure mechanisms of time-domain entropy features in such scenarios by constructing representative signals and propose a pipeline leak detection method based on Spectral Entropy-Sample Entropy (SE-SampEn). This method better captures the complexity of leak signals, improving detection accuracy under diverse noise interferences. Firstly, the primary components of the signal are extracted through variational mode decomposition (VMD), enabling the removal of background noise during the SE calculation process. Subsequently, an applicability analysis of selected signal features is conducted, and feature vectors are constructed and input into various classifiers to achieve effective leakage detection in the water supply pipeline. The results demonstrate that the accuracy reached 97% when both SE and SampEn were utilized, but dropped to 84% and 87% when SE and SampEn were omitted, respectively. This indicates the necessity of using both SE and SampEn to fully describe the complexity feature of the leakage signal in complex noise environments.</div></div>","PeriodicalId":55506,"journal":{"name":"Applied Acoustics","volume":"231 ","pages":"Article 110458"},"PeriodicalIF":3.4,"publicationDate":"2024-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143095734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An application of a MEMS vector hydrophone for condition assessment of a water supply pipe

IF 3.4 2区物理与天体物理

Applied Acoustics Pub Date : 2024-12-10 DOI: 10.1016/j.apacoust.2024.110449

Pengcheng Shi , Yicheng Yu , Joanna Watts , Guojun Zhang , Kirill V. Horoshenkov

引用次数: 0

Effects of synthetic and eco-friendly sound absorbers on perceived speech intelligibility ratings in a simulated open-plan office

IF 3.4 2区物理与天体物理

Applied Acoustics Pub Date : 2024-12-10 DOI: 10.1016/j.apacoust.2024.110432

Marco Oliveira , Pyoung-Jek Lee , Julieta António

{"title":"Effects of synthetic and eco-friendly sound absorbers on perceived speech intelligibility ratings in a simulated open-plan office","authors":"Marco Oliveira , Pyoung-Jek Lee , Julieta António","doi":"10.1016/j.apacoust.2024.110432","DOIUrl":"10.1016/j.apacoust.2024.110432","url":null,"abstract":"<div><div>The concept behind open-plan offices is based on promoting collaboration and dynamic interactions between workers. However, these spaces can be disruptive and noisy, with irrelevant speech ranking as one of the main elements of distraction and annoyance. To tackle the problem and reduce noise in the workplace, synthetic sound absorbers are frequently employed as one of the passive acoustic strategies. However, these materials have a significant carbon footprint since their manufacture depends on non-renewable raw materials or requires high energy consumption. Alternatively, eco-friendly sound absorbers can replace synthetic ones to improve the acoustic quality of open-plan offices. This article explores this topic, examining the impact that alternative sound absorbers have on the perceived acoustic quality of open-plan offices, compared to traditional synthetic sound absorbers. For this purpose, a real open-plan office was measured following ISO 3382-3 and the data was used to create a precise acoustic model of the room in the ODEON® software. The acoustic performance of the office with synthetic and non-traditional materials in the ceiling and screens was obtained by software simulations. To assess listeners’ perception of the acoustic quality with different sound absorbers, listening tests were conducted in which participants were exposed to auralized sounds of room acoustic simulations for each type of material. The results showed that eco-friendly sound absorbers have comparable sound attenuation to synthetic materials, and therefore the potential to be implemented in open-plan offices. Statistical analysis of the listening tests indicated that the acoustic quality of the room with eco-friendly sound absorbers is perceived in a similar way to that of synthetic sound absorbers.</div></div>","PeriodicalId":55506,"journal":{"name":"Applied Acoustics","volume":"231 ","pages":"Article 110432"},"PeriodicalIF":3.4,"publicationDate":"2024-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143095732","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Designing of a nonlinearly fused health indicator for incipient fault detection and degradation modelling using quadratic programming

IF 3.4 2区物理与天体物理

Applied Acoustics Pub Date : 2024-12-10 DOI: 10.1016/j.apacoust.2024.110461

Xiaochuan Li , Yang Mao , Chuan Li , David Mba

{"title":"Designing of a nonlinearly fused health indicator for incipient fault detection and degradation modelling using quadratic programming","authors":"Xiaochuan Li , Yang Mao , Chuan Li , David Mba","doi":"10.1016/j.apacoust.2024.110461","DOIUrl":"10.1016/j.apacoust.2024.110461","url":null,"abstract":"<div><div>Data-driven methods for constructing HIs are now well-established for incipient fault detection and prognostic analysis. In order for physics-explainable diagnositic and prognostic information to be easily embeded into the HI construction process, existing optimization-based weight learning approaches are limited by considering only linear fusion functions. Integrating the physical information related to bearing degradation into the optimization based HI construction process in a nonlinear form, has yet to be fully explored. To solve this problem, this study first proposes a novel nonlinear optimization-based weight learning model for constructing a HI. By introducing kernel methods, the model maximizes the correlation between the latest measured time series and previously measured time series while simultaneously minimizing the fitting error, effectively capturing the nonlinear relations between spectral components. We also explore how the bearing degradation-related physics information can be fully revealed from the built HIs and how this information can be used to explain the superior performance of the HIs in terms of diagnosis and prognosis. Moreover, the constructed HIs are utilized for remaining useful life (RUL) prediction based on a stochastic degradation modelling approach. The ability of the proposed nonlinear weight learning model to detect incipient faults and model degradation is verified through two bearing run-to-failure case studies.</div></div>","PeriodicalId":55506,"journal":{"name":"Applied Acoustics","volume":"231 ","pages":"Article 110461"},"PeriodicalIF":3.4,"publicationDate":"2024-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143095735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Influence and optimization design of structure parameters on a giant magnetostrictive transducer

IF 3.4 2区物理与天体物理

Applied Acoustics Pub Date : 2024-12-09 DOI: 10.1016/j.apacoust.2024.110484

Yifan Wang, Xiping He, Zitong Mai, Maiwei Liao

{"title":"Influence and optimization design of structure parameters on a giant magnetostrictive transducer","authors":"Yifan Wang, Xiping He, Zitong Mai, Maiwei Liao","doi":"10.1016/j.apacoust.2024.110484","DOIUrl":"10.1016/j.apacoust.2024.110484","url":null,"abstract":"<div><div>To design and obtain a giant magnetostrictive ultrasonic transducer (GMUT) composed of double Terfenol-D rods with the best vibration performance near the operating frequency 20 kHz, the influence of structure parameters on the vibration performance of the window-type of GMUT is simulated and analyzed. The calculation shows that as the length of the rod, the thickness of the permanent magnet, and the thickness of the magnetizer increase, the GMUT output amplitude firstly increases and then decreases; the GMUT amplitude increases as the increase of the window width (distance between two Terfenol-D rod axes). The window width has the greatest influence on the uniformity of the axial magnetic field inside the rod, while the influence of rod length, permanent magnet thickness, and magnetizer thickness decrease in sequence. The relationship between magnetic field uniformity, shear stress, and GMUT output amplitude is complicated, however, the shear stress and amplitude have certain optimal values. To achieve the best vibration performance of the transducer, it is appropriate to take the magnetizer thickness of 3–5 mm, the permanent magnet of 3–5 mm, the Terfenol-D rod length of 19–24 mm, and the window width of 65–67 mm. A prototype GMUT was fabricated for experimental testing. The maximum output was 6.1 μm at the excitation current of 1A.</div></div>","PeriodicalId":55506,"journal":{"name":"Applied Acoustics","volume":"231 ","pages":"Article 110484"},"PeriodicalIF":3.4,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143095744","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Integration of acoustic emission and digital image correlation for damage of composite panels with different layup sequences

IF 3.4 2区物理与天体物理

Applied Acoustics Pub Date : 2024-12-08 DOI: 10.1016/j.apacoust.2024.110476

Zengrui Yuan , Mu-Qing Niu , Jian Zang , Hongtu Ma , Liulin Huang , Yewei Zhang , Li-Qun Chen

{"title":"Integration of acoustic emission and digital image correlation for damage of composite panels with different layup sequences","authors":"Zengrui Yuan , Mu-Qing Niu , Jian Zang , Hongtu Ma , Liulin Huang , Yewei Zhang , Li-Qun Chen","doi":"10.1016/j.apacoust.2024.110476","DOIUrl":"10.1016/j.apacoust.2024.110476","url":null,"abstract":"<div><div>Prepreg and woven fabric are two primary materials of new-energy electric aircraft. Their mechanical behavior and damage expansion under different layup sequences are significant in design and maintenance of electric aircraft. The present work develops a combined experimental platform of acoustic emission and digital image correlation. The tensile damage process of two materials under different layup sequences is investigated by varying the waveform characteristic parameters and surface strain field. The damage of the [(±45)]<sub>6S</sub> specimen was classified using principal component analysis and fuzzy c-means clustering algorithm. The results showed that the material type and layup sequence significantly affect the specimen’s mechanical properties and damage expansion. The acoustic emission signal characteristics of the layup specimens of the same material along the warp and the weft directions are similar but significantly different from those laid along 45°. The damage to all five specimens starts from the edge of the specimen to the middle and is finally destroyed along the direction of the paving layer. The damage of [(±45)]<sub>6S</sub> specimens was mainly caused by matrix cracking and fiber fracture. The specimen with fiber fracture initiation was later than debonding and matrix cracking. The results provide a scientific basis for aircraft design and health monitoring.</div></div>","PeriodicalId":55506,"journal":{"name":"Applied Acoustics","volume":"231 ","pages":"Article 110476"},"PeriodicalIF":3.4,"publicationDate":"2024-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143095808","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0