Journal of the Acoustical Society of America最新文献_第4页

Data-driven volumetric reconstruction for optically measured sound field using physics-constrained 3D Gaussian splatting. 基于物理约束的三维高斯溅射的光学测量声场数据驱动的体积重建。

IF 2.3 2区物理与天体物理

Journal of the Acoustical Society of America Pub Date : 2025-09-01 DOI: 10.1121/10.0039344

Risako Tanigawa, Kenji Ishikawa, Noboru Harada, Yasuhiro Oikawa

{"title":"Data-driven volumetric reconstruction for optically measured sound field using physics-constrained 3D Gaussian splatting.","authors":"Risako Tanigawa, Kenji Ishikawa, Noboru Harada, Yasuhiro Oikawa","doi":"10.1121/10.0039344","DOIUrl":"https://doi.org/10.1121/10.0039344","url":null,"abstract":"Acousto-optic sensing is a powerful approach to measuring sound at a high resolution; yet, it faces a critical challenge because the measured value is a line integral of the sound. To solve this problem, sound-field reconstruction methods have been proposed. Promising approaches include physical-model-based reconstruction methods, which represent a sound field as a linear combination of basis functions and determine the expansion coefficients. However, they are limited by the choice of basis functions, which means that each model has a suitable sound field, making it difficult to apply a single model to all sound fields. In this paper, a data-driven approach that is applicable to high-complexity sound fields is proposed. A 3D Gaussian splatting (3DGS) scheme for three-dimensional (3D) sound-field reconstruction is leveraged. 3DGS is an advanced and cutting-edge approach in computer vision, which represents a 3D scene as the sum of Gaussian kernels placed in 3D space. In the proposed method, the 3DGS-based volume reconstruction approach, R2-Gaussian, is expanded to handle arbitrary real numbers to represent sound fields and introduces a Helmholtz loss in the optimization. Evaluation experiments were performed with 11 simulated sound fields and 1 measured sound field. The experiments have revealed that the 3DGS-based approach can reconstruct sound fields.","PeriodicalId":17168,"journal":{"name":"Journal of the Acoustical Society of America","volume":"158 3","pages":"2163-2175"},"PeriodicalIF":2.3,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145075616","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

Characterization of surficial mudflat sediments using shear wave elastography, core-logging, and microscopy techniquesa). 利用剪切波弹性成像、岩心测井和显微技术表征浅层泥滩沉积物。

IF 2.3 2区物理与天体物理

Journal of the Acoustical Society of America Pub Date : 2025-09-01 DOI: 10.1121/10.0039046

Gabriel R Venegas, Jane McCue, Yu-Hsuan Chao, Kang Kim, John M Cormack

{"title":"Characterization of surficial mudflat sediments using shear wave elastography, core-logging, and microscopy techniquesa).","authors":"Gabriel R Venegas, Jane McCue, Yu-Hsuan Chao, Kang Kim, John M Cormack","doi":"10.1121/10.0039046","DOIUrl":"10.1121/10.0039046","url":null,"abstract":"Surficial sediments are highly susceptible to physical, biological, and chemical processes, which can create significant heterogeneity, affecting the transmission and scattering of elastic waves. Non-invasive medical shear wave elastography (SWE) can potentially resolve shear speed heterogeneity in this delicate surficial layer. Samples were extracted from two mudflats in New Hampshire, USA, where sound speed and attenuation were measured 1 cm below the water-sediment interface using the core and resonance logger (200 kHz-1 MHz). Subsequently, propagating shear waves (50-200 Hz) were generated using acoustic radiation force and imaged with high-frame-rate ultrasound, yielding two-dimensional shear speed maps in the top 1 cm. Finally, subsamples were imaged using a suite of microscopy techniques. SWE revealed stiff millimeter-scale inclusions with shear speeds up to 16 m/s suspended in a lower-shear-speed medium with values around 2 m/s. In the 1000-20,000 m-1 band, shear speed spatial spectral strengths are between -42 and -38 dB re 1 m and the spectral slope is 3.5. Positive shear speed depth gradients between 189 and 332 s-1 are observed, where microscopy revealed that pore and grain connectivity decreased and increased with depth, respectively. Finally, the grain shearing model was fit to measured wave parameters. Results are consistent with highly lubricated and compliant grain contacts in the presence of large volume fractions of organo-clay.","PeriodicalId":17168,"journal":{"name":"Journal of the Acoustical Society of America","volume":"158 3","pages":"1751-1766"},"PeriodicalIF":2.3,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144958678","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

Semi-supervised graph learning for underwater source localization using ship-of-opportunity spectrograms. 利用机会船谱图进行水下源定位的半监督图学习。

IF 2.3 2区物理与天体物理

Journal of the Acoustical Society of America Pub Date : 2025-09-01 DOI: 10.1121/10.0039042

Jhon A Castro-Correa, Mohsen Badiey, Jhony H Giraldo, Fragkiskos D Malliaros

{"title":"Semi-supervised graph learning for underwater source localization using ship-of-opportunity spectrograms.","authors":"Jhon A Castro-Correa, Mohsen Badiey, Jhony H Giraldo, Fragkiskos D Malliaros","doi":"10.1121/10.0039042","DOIUrl":"https://doi.org/10.1121/10.0039042","url":null,"abstract":"Conventional techniques for underwater source localization have traditionally relied on optimization methods, matched-field processing, beamforming, and, more recently, deep learning. However, these methods often fall short to fully exploit the data correlation crucial for accurate source localization. This correlation can be effectively captured using graphs, which consider the spatial relationship among data points through edges. This work introduces a novel graph learning module for source localization using spectrograms from ships-of-opportunity, which represent mid-frequency acoustic broadband signals from ship-radiated noise ranging from 360 to 1100 Hz, collected during the 2017 Seabed Characterization Experiment (SBCEX 2017). The proposed approach follows a two-step process: first, a pre-trained convolutional neural network (CNN) module is used for feature extraction via self-supervised learning, and then a graph neural network model is trained using semi-supervised learning for source localization. The graph is constructed using a k-nearest neighbor algorithm, incorporating features extracted by the CNN from the spectrograms. By employing this two-stage training strategy, our framework addresses the challenge of limited labeled data availability while achieving performance comparable to conventional supervised learning models. The effectiveness of our approach is demonstrated through model evaluation on both synthetic and measured data, showcasing the architecture's ability to generalize well to unseen scenarios.","PeriodicalId":17168,"journal":{"name":"Journal of the Acoustical Society of America","volume":"158 3","pages":"1836-1848"},"PeriodicalIF":2.3,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145000851","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 of duty-cycle recording on measuring bat activity in passive acoustic monitoring. 被动声监测中占空比记录对蝙蝠活动测量的影响。

IF 2.3 2区物理与天体物理

Journal of the Acoustical Society of America Pub Date : 2025-09-01 DOI: 10.1121/10.0039108

Aditya Krishna, Wu-Jung Lee

{"title":"Influence of duty-cycle recording on measuring bat activity in passive acoustic monitoring.","authors":"Aditya Krishna, Wu-Jung Lee","doi":"10.1121/10.0039108","DOIUrl":"https://doi.org/10.1121/10.0039108","url":null,"abstract":"Echolocating bats provide vital ecosystem services and can be monitored effectively using passive acoustic monitoring (PAM) techniques. Duty-cycle subsampling is widely used to collect PAM data at regular ON/OFF cycles to circumvent battery and storage capacity constraints for long-term monitoring. However, the impact of duty-cycle subsampling and potential detector errors on estimating bat activity has not been systematically investigated for bats. Here, we simulate the influence of duty-cycle subsampling in measuring bat activity via three metrics-call rate, activity index (AI), and bout-time percentage (BTP)-using three months of continuous recordings spanning summer to fall in a temperate urban natural area. Our simulations show that subsampled bat activity estimates more accurately track true values when the listening ratio is high and the cycle length is low, when the true call activity is high, or when recorded calls have lower frequency content. Generally, among the three metrics, AI provides the best subsampling estimates and is robust against false negatives but sensitive to false positives, whereas BTP provides better temporal resolution compared to AI and is robust against both false positives and false negatives. Our results offer important insights into selecting sampling parameters and measurement metrics for long-term bat PAM.","PeriodicalId":17168,"journal":{"name":"Journal of the Acoustical Society of America","volume":"158 3","pages":"1892-1903"},"PeriodicalIF":2.3,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145023587","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

Bayesian inversion for hurricane parameters based on underwater ambient noise levels. 基于水下环境噪声水平的飓风参数贝叶斯反演。

IF 2.3 2区物理与天体物理

Journal of the Acoustical Society of America Pub Date : 2025-09-01 DOI: 10.1121/10.0039254

Bin Liang, Roger Waxler, Natalia Sidorovskaia

引用次数: 0

Finding beaked whales in the Foz do Amazonas basin: Visual and acoustic records of a deep diving cetacean. 在亚马逊河流域发现喙鲸：深潜鲸类动物的视觉和声学记录。

IF 2.3 2区物理与天体物理

Journal of the Acoustical Society of America Pub Date : 2025-09-01 DOI: 10.1121/10.0038973

Raphael Barbosa Machado, João Pedro Mura, Giovanne Ambrosio Ferreira, Franciele Rezende de Castro, Natália Rodrigues-Soares, Larissa Kelmer de Lima Kascher, Bárbara Stefânea da Silva, Gabrieli Messias Rodrigues, Lúcia Alencar, Yasmin Viana, Daniela Ferro de Godoy, Pedro Volkmer de Castilho, Artur Andriolo

{"title":"Finding beaked whales in the Foz do Amazonas basin: Visual and acoustic records of a deep diving cetacean.","authors":"Raphael Barbosa Machado, João Pedro Mura, Giovanne Ambrosio Ferreira, Franciele Rezende de Castro, Natália Rodrigues-Soares, Larissa Kelmer de Lima Kascher, Bárbara Stefânea da Silva, Gabrieli Messias Rodrigues, Lúcia Alencar, Yasmin Viana, Daniela Ferro de Godoy, Pedro Volkmer de Castilho, Artur Andriolo","doi":"10.1121/10.0038973","DOIUrl":"10.1121/10.0038973","url":null,"abstract":"Beaked whales, deep-diving cetaceans from the family Ziphiidae, exhibit cryptic behaviors, and data on these species in Brazilian waters are limited to strandings and isolated sightings. This study characterizes the occurrence and acoustic behavior of beaked whales in the Foz do Amazonas Basin using combined visual and passive acoustic monitoring along the Brazilian Equatorial Margin. Audio files were analyzed to identify clicks with frequency-modulated pulses, a diagnostic characteristic of beaked whales. The PAMpal package in R was used to calculate acoustic parameters, including peak frequency, 3- and 10-dB bandwidths, and inter-pulse intervals. Three sightings, eight acoustic detections, and one combined visual-acoustic detection were recorded. Based on diagnostic features, sighting D01 likely corresponds to Mesoplodon europaeus, D05 may represent Mesoplodon, and D06 could belong to either Ziphius or Mesoplodon. Unsupervised clustering based on peak frequency and inter-pulse intervals revealed three distinct acoustic clusters, suggesting that at least three different beaked whale species were detected. Further acoustic classification studies are needed to determine the specific species associated with each cluster. These findings contribute to a broader understanding of the distribution and acoustic ecology of deep-diving beaked whales in the Foz do Amazonas Basin, a region where information on marine megafauna remains scarce.","PeriodicalId":17168,"journal":{"name":"Journal of the Acoustical Society of America","volume":"158 3","pages":"1879-1891"},"PeriodicalIF":2.3,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145023540","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 of second dialect use on the production of first dialect lexical tonesa). 第二方言使用对第一方言词汇语调产生的影响。

IF 2.3 2区物理与天体物理

Journal of the Acoustical Society of America Pub Date : 2025-09-01 DOI: 10.1121/10.0039240

Wenqi Zeng, Christine Shea

引用次数: 0

Space-time dependent fluid acoustics and the generation of vorticity. 时空流体声学与涡度的产生。

IF 2.3 2区物理与天体物理

Journal of the Acoustical Society of America Pub Date : 2025-09-01 DOI: 10.1121/10.0039428

John D Smith

{"title":"Space-time dependent fluid acoustics and the generation of vorticity.","authors":"John D Smith","doi":"10.1121/10.0039428","DOIUrl":"https://doi.org/10.1121/10.0039428","url":null,"abstract":"Wave propagation through a fluid with material properties that vary in space and time is examined. When viscosity and any underlying fluid flow caused by the space-time variation can be neglected, self-adjoint wave equations are obtained. The governing equations are not conventional pressure acoustics however (the fluctuating velocity is not simply related to the gradient of a potential): for underlying material properties that vary in space, the wave motion cannot be purely dilatational and the wave has associated vorticity. The specific case of an ideal fluid is then considered, and approximate solutions are found when the sound speed variation is caused by the raising of temperature on a fixed wall. At leading order, vorticity is generated at the wavefront, giving the appearance of vorticity propagating at the sound wave speed rather than being tied to the underlying (stationary) fluid flow and boundaries, as would be the case for an isotropic background. The effect of nonlinearities is then briefly examined and it is found, for the case of sound scattering from sound on an otherwise constant background fluid, that the nonlinearities cause the mass flux density vector to develop a solenoidal component but do not lead to the generation of vorticity.","PeriodicalId":17168,"journal":{"name":"Journal of the Acoustical Society of America","volume":"158 3","pages":"2615-2621"},"PeriodicalIF":2.3,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145149494","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

A method for predicting sensitivity of spherical hydrophones at high hydrostatic pressures and its experimental validations. 高静水压力下球形水听器灵敏度预测方法及实验验证。

IF 2.3 2区物理与天体物理

Journal of the Acoustical Society of America Pub Date : 2025-09-01 DOI: 10.1121/10.0039250

Guanghui Jia, Yi Chen, Juan Tu, Dong Zhang

{"title":"A method for predicting sensitivity of spherical hydrophones at high hydrostatic pressures and its experimental validations.","authors":"Guanghui Jia, Yi Chen, Juan Tu, Dong Zhang","doi":"10.1121/10.0039250","DOIUrl":"https://doi.org/10.1121/10.0039250","url":null,"abstract":"A method for predicting sensitivity of spherical hydrophones at high hydrostatic pressures is developed based on their impedances without acoustic environments. In this approach, the receiving performance of a spherical hydrophone is modelled as an equivalent circuit, and the relationship between the sensitivity and the parameters of the equivalent circuit is established. To accurately obtain these parameters, these impedances of spherical hydrophones at different hydrostatic pressures are measured, and the parameter matrix of the equivalent circuit is evaluated by the nonlinear evaluation solution of the Levenberg-Marquardt algorithm. The evaluated parameter matrix is applied to calculate the sensitivity of spherical hydrophones. To examine the validity of this method, the sensitivities of the spherical piezoelectric hydrophones of RHS 30 and RHS 20 were predicted at hydrostatic pressures from 2 to 8 MPa and compared with the measured results by free-field measurement facility in a vessel. The predicting results agreed well with the measured ones with the maximum deviation less than 8% in the operation frequency range. In addition, the advantages and limitations of this method are discussed. This method is promising in the study of measuring deep ocean performances of hydrophones in a laboratory.","PeriodicalId":17168,"journal":{"name":"Journal of the Acoustical Society of America","volume":"158 3","pages":"2011-2021"},"PeriodicalIF":2.3,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145033496","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

Numerical models for problems of acoustic scattering by thin elastic shells immersed in fluids. 浸入流体中的弹性薄壳声散射问题的数值模型。

IF 2.3 2区物理与天体物理

Journal of the Acoustical Society of America Pub Date : 2025-09-01 DOI: 10.1121/10.0039246

Evgeny Chernokozhin, Amir Boag

{"title":"Numerical models for problems of acoustic scattering by thin elastic shells immersed in fluids.","authors":"Evgeny Chernokozhin, Amir Boag","doi":"10.1121/10.0039246","DOIUrl":"https://doi.org/10.1121/10.0039246","url":null,"abstract":"This paper presents relatively simple formulations of the problem of acoustic scattering by flooded and hollow elastic shells immersed in fluids, which can serve as a basis for efficient numerical models. The full rigorous formulation of the problem, which involves the Helmholtz equations for acoustic pressures in the fluids and the Navier equation for three-dimensional displacements in the elastic material, is reduced to a boundary value problem only for the Helmholtz equations with effective boundary conditions relating the boundary pressures and normal displacements on both sides of the shell. To that end, the thin elastic shell is regarded as a neighborhood of its midsurface, and the boundary values of the elastic quantities (displacements and stresses) are expressed via their expansions about the midsurface, considering the shell thickness as a small parameter. In this paper, the expansion is restricted to the first order. Despite relative simplicity, the first-order models can describe elastic effects rather well, which is demonstrated by the comparison with the exact solutions for the case of spherical elastic shells. In particular, the boundary element method numerical solutions reproduce the low-frequency resonant peaks and dips of the exact solutions.","PeriodicalId":17168,"journal":{"name":"Journal of the Acoustical Society of America","volume":"158 3","pages":"1934-1946"},"PeriodicalIF":2.3,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145030234","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