自 1929 年以来，《美国声学学会杂志》一直是广泛的跨学科声音研究中理论和实验研究成果的主要来源。学科覆盖范围包括：线性和非线性声学；气动声学、水下声音和声学海洋学；超声波和量子声学；建筑和结构声学和振动；语音、音乐和噪音；听力心理学和生理学；工程声学、转换；生物声学，动物生物声学。

Since 1929, the Journal of the Acoustical Society of America has been a major source of theoretical and experimental research findings in the broad field of interdisciplinary sound studies. The journal covers a wide range of subjects, including linear and nonlinear acoustics; aeroacoustics, underwater sound, and acoustic oceanography; ultrasonics and quantum acoustics; architectural and structural acoustics and vibrations; speech, music, and noise; auditory psychology and physiology; engineering acoustics and transduction; and bioacoustics, including animal bioacoustics.

自1929年以来，《Journal of the Acoustical Society of America》一直是跨学科声音研究中理论与实验研究成果的重要来源。该期刊涵盖的学科包括：线性与非线性声学；气动声学、水下声学及声学海洋学；超声波与量子声学；建筑声学、结构声学与振动；语音、音乐与噪音；听力心理学与生理学；工程声学与转换；生物声学及动物生物声学。

Journal of the Acoustical Society of America

Two main methods have been proposed to derive the acoustical radiation force and torque applied by an arbitrary acoustic field on a particle: The first one relies on the plane wave angular spectrum decomposition of the incident field (see [Sapozhnikov and Bailey, J. Acoust. Soc. Am. 133, 661 (2013)] for the force and [Gong and Baudoin, J. Acoust. Soc. Am. 148, 3131 (2020)] for the torque), while the second one relies on the decomposition of the incident field into a sum of spherical waves, the so-called multipole expansion (see [Silva, J. Acoust. Soc. Am. 130, 3541 (2011)] and [Baresh et al., J. Acoust. Soc. Am. 133, 25 (2013)] for the force, and [Silva et al., EPL 97, 54003 (2012)] and [Gong et al., Phys. Rev. Applied 11, 064022 (2019)] for the torque). In this paper, we formally establish the equivalence between the expressions obtained with these two methods for both the force and torque.

Zhixiong Gong

Michael Baudoin

The Journal of the Acoustical Society of America

Equivalence between angular spectrum-based and multipole expansion-based formulas of the acoustic radiation force and torque

In the case of boundary value problems such as the sound scattering from a sphere placed in the nearfield of a plane piston source, it is sometimes essential to express the velocity potentials in terms of the orthogonal expansion. It is demonstrated in the present work that the Rayleigh surface integral, giving the velocity potential for a plane piston source surrounded by an infinite rigid flange, reduces to a rigorous expansion of the simplest form for a circular piston as series of spherical surface harmonics. The resulting equation is valid for any field points even on the piston surface. Sample calculations made with a microcomputer are presented with three-dimensional and contour plots.

Takahi Hasegawa

Naoki Inoue

Kiichiro Matsuzawa

A new rigorous expansion for the velocity potential of a circular piston source

The general formulation for the radiation force on a spherical object in an axisymmetric acoustic field is provided. The sphere is described in general by three parameters: its density, compressional wave speed, and shear wave speed. Other types of spheres, including the rigid and immovable sphere and the infinitely soft sphere (void), are treated as limiting cases. Specialized formulations of the radiation force function are provided for several types of incident waves of common interest. A low-frequency expansion for each case is provided for comparison with results from the literature. Among the solutions provided are the scattering function of an elastic sphere in a focused acoustic field and the radiation force on the sphere. The radiation force function is used to calibrate high-frequency transducers. Experimental data are provided for a focused transducer for frequencies up to 10 MHz, where the size of the elastic sphere is comparable to or larger than the −3-dB beamwidth of the sound field.

Xucai Chen

Robert E. Apfel

Radiation force on a spherical object in an axisymmetric wave field and its application to the calibration of high-frequency transducers

Parametric array (PA) loudspeakers generate directional audible sound via the PA effect, which can make private listening possible. The practical applications of PA loudspeakers include information technology devices that require large power efficiency transducers with a wide frequency bandwidth. Piezoelectric micromachined ultrasonic transducers (PMUTs) are compact and efficient units for PA sources [Je, Lee, and Moon, Ultrasonics 53, 1124–1134 (2013)]. This study investigated the use of an array of PMUTs to make a PA loudspeaker with high power efficiency and wide bandwidth. The achievable maximum radiation bandwidth of the driver was calculated, and an array of PMUTs with two distinct resonance frequencies (f1 = 100 kHz, f2 = 110 kHz) was designed. Out-of-phase driving was used with the dual-resonance transducer array to increase the bandwidth. The fabricated PMUT array exhibited an efficiency of up to 71%, together with a ±3-dB bandwidth of 17 kHz for directly radiated primary waves, and 19.5 kHz (500 Hz to 20 kHz) for the difference frequency waves (with equalization).

Yub Je

Haksue Lee

Kyounghun Been

Wonkyu Moon

A micromachined efficient parametric array loudspeaker with a wide radiation frequency band

Wave propagation can be manipulated at a deep subwavelength scale through the locally resonant metamaterial that possesses unusual effective material properties. Hyperlens due to metamaterial's anomalous anisotropy can lead to superior-resolution imaging. In this paper, a single-phase elastic metamaterial with strongly anisotropic effective mass density has been designed. The proposed metamaterial utilizes the independently adjustable locally resonant motions of the subwavelength-scale microstructures along the two principal directions. High anisotropy in the effective mass densities obtained by the numerical-based effective medium theory can be found and even have opposite signs. For practical applications, shunted piezoelectric elements are introduced into the microstructure to tailor the effective mass density in a broad frequency range. Finally, to validate the design, an elastic hyperlens made of the single-phase hyperbolic metamaterial is proposed with subwavelength longitudinal wave imaging illustrated numerically. The proposed single-phase hyperbolic metamaterial has many promising applications for high resolution damage imaging in nondestructive evaluation and structural health monitoring.

R. Zhu

Y. Y. Chen

Y. S. Wang

G. K. Hu

G. L. Huang

A single-phase elastic hyperbolic metamaterial with anisotropic mass density

Ultrasound image reconstruction is typically performed using the computationally efficient delay-and-sum algorithm. However, this algorithm is suboptimal for systems of low channel counts, where it causes significant image artefacts. These artefacts can be suppressed through model-based inversion approaches; however, their computational costs typically prohibit real-time implementations. In this work, the emerging optical ultrasound (OpUS) modality is considered, where ultrasound waves are both generated and detected using light. With this modality, imaging probes comprise very low channel counts, resulting in significant image artefacts that limit the imaging dynamic range. However, this low channel counts offer an opportunity for non-iterative (“direct”) model-based inversion (DMI) on modest computational resources available in a typical workstation. When applied to both synthetic and experimental OpUS data, the presented DMI method achieved substantial reduction in image artefacts and noise, improved recovery of image amplitudes, and–after one-off pre-computation of the system matrices–significantly reduced reconstruction time, even in imaging scenarios exhibiting mild spatial inhomogeneity. Whilst here applied to an OpUS imaging system, DMI can be applied to other low channel-count imaging systems, and is therefore expected to achieve better image quality, reduce system complexity, or both, in a wide range of settings.

Fraser T. Watt

Andreas Hauptmann

Eleanor C. Mackle

Edward Z. Zhang

Paul C. Beard

Erwin J. Alles

Non-iterative model-based inversion for low channel-count optical ultrasound imaging

基于模型的非迭代反演方法用于低通道光学超声成像

Two competing accounts propose that the disruption of short-term memory by irrelevant speech arises either due to interference-by-process (e.g., changing-state effect) or attentional capture, but it is unclear how whispering affects the irrelevant speech effect. According to the interference-by-process account, whispered speech should be less disruptive due to its reduced periodic spectro-temporal fine structure and lower amplitude modulations. In contrast, the attentional account predicts more disruption by whispered speech, possibly via enhanced listening effort in the case of a comprehended language. In two experiments, voiced and whispered speech (spoken sentences or monosyllabic words) were presented while participants memorized the order of visually presented letters. In both experiments, a changing-state effect was observed regardless of the phonation (sentences produced more disruption than “steady-state” words). Moreover, whispered speech (lower fluctuation strength) was more disruptive than voiced speech when participants understood the language (Experiment 1), but not when the language was incomprehensible (Experiment 2). The results suggest two functionally distinct mechanisms of auditory distraction: While changing-state speech causes automatic interference with seriation processes regardless of its meaning or intelligibility, whispering appears to contain cues that divert attention from the focal task primarily when presented in a comprehended language, possibly via enhanced listening effort.

Florian Kattner

Julia Föcker

Cleopatra Christina Moshona

John E. Marsh

When softer sounds are more distracting: Task-irrelevant whispered speech causes disruption of serial recall

当柔和的声音更令人分心：任务无关的耳语会干扰序列回忆

This study examines the association between appropriateness and the pleasantness-eventfulness circumplex model, as well as the influencing environmental and personal factors, in accordance with the recommended questionnaire of ISO/TS 12913-2 (2018). A database was used, containing over 1000 soundscape surveys collected across eleven locations in London. Confirmatory factor analysis and the structural summary method were applied to validate the relationship between appropriateness and the pleasantness-eventfulness circumplex model, while linear multilevel models were developed to investigate the effect of personal and environmental factors on appropriateness. The findings highlight varying relationship between appropriateness and the pleasantness-eventfulness dimensions of the soundscape circumplex model. The effect of personal factors on appropriateness is not negligible, accounting for approximately 2.1% of the variance. In contrast to the effects of the categories of landscape composition and acoustic metrics, dominant sound source type is the most influential category of environmental factors, with natural sounds explaining the most variance at 6%. Traffic noise is negatively associated with appropriateness which varies by location, while human sounds are negatively associated with appropriateness when respondents were Asian/Asian British. The findings provide empirical evidence of the relationship between appropriateness and the soundscape circumplex model and offer comprehensive insights into the affecting factors.

Xiang Fang

Francesco Aletta

Andrew Mitchell

Tin Oberman

Jian Kang

Determining factors for the appropriateness of soundscapes: A cross-sectional large-sample study in London (UK)

声景适宜性的决定因素：伦敦（英国）横断面大样本研究

Air-conduction (AC) and bone-conduction (BC) thresholds were measured to evaluate standard reference thresholds and recommend revisions to audiometer standards. AC and BC thresholds were measured from listeners with normal hearing (NH) and sensorineural hearing loss (SNHL) at three sites. NH participants (n = 53) were selected based on age (18–25 years old), normal AC thresholds, tympanometry, otoscopy, and absence of otologic disease. SNHL participants (n = 49) were selected based on AC thresholds, tympanometry, otoscopy, and absence of otologic disease. AC thresholds obtained from NH listeners averaged 3.7 dB hearing level (HL). Air-bone gaps (ABGs) occurred in NH and SNHL listeners above 2000 Hz and in SNHL listeners at 250 Hz. Corrections to standard reference equivalent threshold sound pressure levels are recommended. ABGs in listeners without conductive pathology result from incorrect reference threshold levels for frequencies above 2000 Hz. False ABGs increase with hearing-loss magnitude, probably the result of the effects of ambient and internal noise for low-level BC stimuli. False ABGs place patients at risk for unnecessary medical and surgical intervention. Reference threshold levels should achieve two objectives: (1) AC thresholds from young NH listeners should average 0 dB HL; and (2) ABGs from listeners with normal middle-ear function should average 0 dB.

Robert H. Margolis

Victoria Sanchez

Lisa L. Hunter

Aparna Rao

Suzannah Boyle

Lina Motlagh Zadeh

Amelia N. Wong

Air-conduction and bone-conduction reference threshold levels—A multicenter study

气导和骨导参考阈值水平——一项多中心研究

Accurate broadband modeling of underwater acoustic channels is vital for underwater acoustic detection, localization, and communication. Conventional modeling methodologies, based on methods such as the finite element method, finite difference method, and boundary element method, generally facilitate computation for only a single frequency at a time. However, in broadband modeling, this characteristic presents limitations, requiring multiple computations across frequencies, thereby leading to significant time challenges. To solve this problem, we propose a rapid broadband modeling approach using physics-informed neural networks. By integrating the modal equation of normal modes as a regularization term within the neural network's loss function, the method can achieve rapid broadband modeling of underwater acoustic channel with a sparse set of frequency sampling points. Operating in range-independent underwater environments with a liquid semi-infinite seabed, the method proficiently predicts the channel response across the frequency band from 100 to 300 Hz. Compared to the results obtained from KRAKEN, our method improves computational speed by a factor of 25 at a propagation distance of 20 km, while maintaining a mean absolute error of 0.15 dB for the acoustic channel response.

Ziwei Huang

Liang An

Yang Ye

Xiaoyan Wang

Hongli Cao

Yuchong Du

Meng Zhang

A broadband modeling method for range-independent underwater acoustic channels using physics-informed neural networks

基于物理信息神经网络的宽带水声信道范围无关建模方法

Abbreviation	J. Acoust. Soc. Am.
Journal Impact	2.29
Quartiles(Global)	AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY(Q1)

ISSN	0001-4966, 1520-8524, 1520-9024
h-index	213

Publication Information	Publisher: Acoustical Society of America，Publishing cycle: Monthly，Journal Type: journal，Open Access Journals: No
Basic data	Year of publication: 1929，Proportion of original research papers: 98.89%，Self Citation Rate:23.80%， Gold OA Rate: 21.42%
Average review cycle	网友分享经验：平均6.0个月
Average recruitment ratio	网友分享经验：容易

Journal of the Acoustical Society of America

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