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Efficiency improvements to an auditory-inspired synchrony capture filterbank. 听觉启发的同步捕获滤波器组的效率改进。
IF 1.4
JASA express letters Pub Date : 2026-05-01 DOI: 10.1121/10.0043594
Vijay Kumar Peddinti
{"title":"Efficiency improvements to an auditory-inspired synchrony capture filterbank.","authors":"Vijay Kumar Peddinti","doi":"10.1121/10.0043594","DOIUrl":"https://doi.org/10.1121/10.0043594","url":null,"abstract":"<p><p>This paper extends prior work on an auditory inspired adaptive synchrony capture filterbank (SCFB) architecture for acoustic frequency tracking. The earlier SCFB architecture used a weighted sum of frequency discriminator loop (FDL) and a phased locked loop (PLL) to track frequency components precisely. The key improvements in this paper are the introduction of adaptive FDL and PLL weights and the incorporation of a place theory-based mechanism to preferentially activate fewer filters, resulting in enhanced biomimicry and computational efficiency. The effectiveness of these improvements is demonstrated using synthetic time-varying signals, simultaneously highlighting the algorithm's robust denoising capability under challenging noise conditions.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 5","pages":""},"PeriodicalIF":1.4,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147847054","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Acoustic measurements and modeling of sub-bottom layers on the summit of the Atlantis II Seamount. 亚特兰提斯II号海底山峰顶次底层声学测量与模拟。
IF 1.4
JASA express letters Pub Date : 2026-05-01 DOI: 10.1121/10.0043836
Tzu-Ting Chen, Matthew A Milone, Jason Chaytor, James H Miller, Gopu R Potty, William Hodgkiss, Ying-Tsong Lin
{"title":"Acoustic measurements and modeling of sub-bottom layers on the summit of the Atlantis II Seamount.","authors":"Tzu-Ting Chen, Matthew A Milone, Jason Chaytor, James H Miller, Gopu R Potty, William Hodgkiss, Ying-Tsong Lin","doi":"10.1121/10.0043836","DOIUrl":"https://doi.org/10.1121/10.0043836","url":null,"abstract":"<p><p>Sub-bottom profiler images taken from the summit plateau of the Atlantis II Seamount reveal distinct seabed stratigraphy, including marine sediment, limestone, and basalt layers. Acoustic reflection data also show arrivals reflecting from this sub-bottom structure. A wavenumber integration model with elastic geoacoustic properties is able to reproduce the arrival pattern of seabed reflections and particularly the phase inversion of the sub-bottom return. The reflection model suggests that the limestone layer is eroded with high porosity and possesses a lower compressional velocity than a well-cemented layer. The model results also highlight the necessity of incorporating elastic effects for realistic geoacoustic characterization.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 5","pages":""},"PeriodicalIF":1.4,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147847117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Differentiable equivalent source method: Joint optimization of equivalent source positions and strengths with implicit geometry constraints. 可微等效源方法：隐式几何约束下等效源位置和强度的联合优化。
IF 1.4
JASA express letters Pub Date : 2026-05-01 DOI: 10.1121/10.0043709
Kenji Ishikawa, Risako Tanigawa, Noboru Harada
{"title":"Differentiable equivalent source method: Joint optimization of equivalent source positions and strengths with implicit geometry constraints.","authors":"Kenji Ishikawa, Risako Tanigawa, Noboru Harada","doi":"10.1121/10.0043709","DOIUrl":"https://doi.org/10.1121/10.0043709","url":null,"abstract":"<p><p>The equivalent source method (ESM) is widely used for sound field reconstruction due to its flexibility. However, optimizing source configurations remains challenging because ESM requires all sources to be located outside the reconstruction region. Identifying optimal source positions while satisfying these geometric constraints is an underexplored challenge. To address this, we propose a differentiable equivalent source method (DiffESM) for joint optimization of source positions and strengths. By employing a neural signed distance function to represent feasible regions of the source positions, DiffESM enables gradient-based optimization while enforcing geometric constraints. Preliminary results demonstrated that DiffESM achieved higher reconstruction accuracy than conventional ESMs.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 5","pages":""},"PeriodicalIF":1.4,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147824147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of the effect of long-term pulsed laser irradiation on cochlear function in Mongolian gerbils (Meriones unguiculatus). 长期脉冲激光照射对沙鼠耳蜗功能影响的评价。
IF 1.5
JASA express letters Pub Date : 2026-05-01 DOI: 10.1121/10.0043376
Yuta Tamai, Yuta Kuroki, Aya Okamoto, Kaito Fukada, Mizuki Katayama, Kazuki T Shin'ya, Kohta I Kobayasi
{"title":"Evaluation of the effect of long-term pulsed laser irradiation on cochlear function in Mongolian gerbils (Meriones unguiculatus).","authors":"Yuta Tamai, Yuta Kuroki, Aya Okamoto, Kaito Fukada, Mizuki Katayama, Kazuki T Shin'ya, Kohta I Kobayasi","doi":"10.1121/10.0043376","DOIUrl":"10.1121/10.0043376","url":null,"abstract":"<p><p>This study evaluated the effects of infrared laser exposure on cochlear function in Mongolian gerbils. A 6.6-W/cm2 laser induced a stable cochlear response for 870 min, whereas higher irradiation levels resulted in a progressive and significant decline in response. The auditory-evoked compound action potential recorded before and after prolonged laser irradiation revealed that laser irradiation at 105.6 W/cm2 caused a prominent reduction in compound action potential across several frequencies, with the largest reduction occurring near the frequency corresponding to the irradiation site. These results demonstrate that laser irradiation at 6.6 W/cm2 or below can elicit a stable cochlear response, and suggest that prolonged laser irradiation potentially causes frequency-specific damage around the stimulated site.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 5","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147847093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Auditory acuity to vowels is more refined in adulthood compared to childhood. 成年期对元音的听觉敏锐度比儿童期更精细。
IF 1.4
JASA express letters Pub Date : 2026-05-01 DOI: 10.1121/10.0043710
Katharina M Polsterer, Nikki Hoekzema, Thomas B Tienkamp, Teja Rebernik, Hedwig G Sekeres, Reihaneh Amooie, Raoul S S J Buurke, Wietse de Vries, Frank Tsiwah, Martijn B Wieling, Defne Abur
{"title":"Auditory acuity to vowels is more refined in adulthood compared to childhood.","authors":"Katharina M Polsterer, Nikki Hoekzema, Thomas B Tienkamp, Teja Rebernik, Hedwig G Sekeres, Reihaneh Amooie, Raoul S S J Buurke, Wietse de Vries, Frank Tsiwah, Martijn B Wieling, Defne Abur","doi":"10.1121/10.0043710","DOIUrl":"10.1121/10.0043710","url":null,"abstract":"<p><p>Auditory-perceptual sensitivity to acoustic variation, referred to as auditory acuity, plays a central role in children's speech development. In speech perception, auditory acuity determines the acceptable phonetic variation of a given speech sound. In speech production, auditory acuity determines whether a speech sound is produced as intended and guides error-based motor learning. This study investigated how auditory acuity differs between children (6-11 years old) and adults (20-36 years old). Participants discriminated between recordings of their own speech modified in the first vowel formant (F1). On average, children showed lower F1 acuity but similar interindividual variability compared to adults.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 5","pages":""},"PeriodicalIF":1.4,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147824112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Spectrum-adaptive physics-informed neural network for rapid ocean acoustic field prediction. 基于谱自适应物理信息的海洋声场快速预测神经网络。
IF 1.4
JASA express letters Pub Date : 2026-04-01 DOI: 10.1121/10.0043595
Yuxiang Gao, Peng Xiao, Zhenglin Li
{"title":"Spectrum-adaptive physics-informed neural network for rapid ocean acoustic field prediction.","authors":"Yuxiang Gao, Peng Xiao, Zhenglin Li","doi":"10.1121/10.0043595","DOIUrl":"https://doi.org/10.1121/10.0043595","url":null,"abstract":"<p><p>To address the slow convergence of physics-informed neural networks (PINNs) in ocean acoustics, this work proposes a spectrum-adaptive physics-informed neural network (SA-PINN) built on OceanPINN for efficient modeling. SA-PINN estimates effective physical bandwidths from prior data to determine direction-dependent cutoff frequencies for normalized range and depth. This calibrates the sinusoidal representation network's maximum frequency hyperparameters, ensuring the network's spectral capacity aligns with inherent wavefield characteristics for a superior initialization. Compared with standard OceanPINN, SA-PINN achieves state-of-the-art convergence speed, significantly reducing computational costs while enhancing accuracy. Simulations and experimental data rigorously validate its effectiveness.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 4","pages":""},"PeriodicalIF":1.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147791184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Beyond fundamental frequency: Pitch height judgments in Indefinite-Pitch sounds. 超越基本频率：不定音高声音的音高判断。
IF 1.5
JASA express letters Pub Date : 2026-04-01 DOI: 10.1121/10.0043569
Konstantinos Velenis, Asterios Zacharakis, Emilios Cambouropoulos
{"title":"Beyond fundamental frequency: Pitch height judgments in Indefinite-Pitch sounds.","authors":"Konstantinos Velenis, Asterios Zacharakis, Emilios Cambouropoulos","doi":"10.1121/10.0043569","DOIUrl":"10.1121/10.0043569","url":null,"abstract":"<p><p>Pitch judgments for sounds lacking a harmonic spectrum and a clear fundamental frequency are inherently ambiguous. Using a sinusoidal adjustment task, 48 listeners provided pitch-height judgments for 19 non-harmonic sounds. Linear mixed-effects analyses showed that listeners could reliably differentiate pitch height across stimuli despite weak or absent periodic cues. A loudness-weighted spectral centroid emerged as a significant predictor of perceived pitch height, with reduced accuracy for sounds exhibiting greater spectrotemporal variability. These results indicate that perceptually weighted spectral information supports pitch-height judgments in non-harmonic sounds.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 4","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147693953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Auditory deviance detection across time scales: Effects of local and global context. 跨时间尺度的听觉偏差检测：局部和全局背景的影响。
IF 1.5
JASA express letters Pub Date : 2026-04-01 DOI: 10.1121/10.0043222
Matthew Blunt, Stephanie Graceffo, Nahaleh Fatemi, Mounya Elhilali
{"title":"Auditory deviance detection across time scales: Effects of local and global context.","authors":"Matthew Blunt, Stephanie Graceffo, Nahaleh Fatemi, Mounya Elhilali","doi":"10.1121/10.0043222","DOIUrl":"10.1121/10.0043222","url":null,"abstract":"<p><p>Auditory deviance detection reflects the ability to identify violations of statistical regularities in sound sequences and is influenced by stimulus properties and contextual expectations. Using a priming paradigm in which listeners were exposed to different pitch distributions prior to deviant detection trials, we examined how performance varied across the experiment (global context) and relative to short-term priors (local context). Results show that listeners accumulate statistical information across distinct contextual time scales, where local and global context influence deviance detection. Computational modeling using a predictive coding framework is consistent with these effects, highlighting the importance of integrating contextual information across scales in dynamic acoustic environments.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 4","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147596596","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Acoustic evidence for an emerging binary sibilant system in Telugu. 泰卢固语中新出现的双音系统的声学证据。
IF 1.5
JASA express letters Pub Date : 2026-04-01 DOI: 10.1121/10.0043575
Charles Redmon
{"title":"Acoustic evidence for an emerging binary sibilant system in Telugu.","authors":"Charles Redmon","doi":"10.1121/10.0043575","DOIUrl":"10.1121/10.0043575","url":null,"abstract":"<p><p>This paper presents production data and acoustic modelling from 16 speakers of Telugu, showing that what has typically been described as a ternary distinction between alveolar, palatal, and retroflex sibilants is rather more accurately an emerging binary system, with the majority of speakers showing no distinction between the latter two postalveolar categories. The relative acoustic discriminability of the system (and ultimate support for merger patterns) was not, however, uniform and varied by position, vowel context, and lexical characteristics such as frequency, neighbourhood density, and the presence and number of sibilant competitors in the lexicon.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 4","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147718943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multi-layer residual beamforming for underwater acoustic source bearing estimation. 水声声源方位估计的多层剩余波束形成。
IF 1.4
JASA express letters Pub Date : 2026-04-01 DOI: 10.1121/10.0043201
Yong Chen, Fang Wang
{"title":"Multi-layer residual beamforming for underwater acoustic source bearing estimation.","authors":"Yong Chen, Fang Wang","doi":"10.1121/10.0043201","DOIUrl":"https://doi.org/10.1121/10.0043201","url":null,"abstract":"<p><p>Deconvolution beamforming maintains robustness against array mismatch and limited snapshots in underwater source localization, yet its resolution and accuracy require improvement. Inspired by deep learning architectures, this work proposes a multi-layer residual beamforming framework that processes array snapshots through 2 K layers of alternating phase compensation and source cancellation to estimate directions of arrival for K sources. Simulations validate the proposed method's robustness to array mismatch and its capacity for accurate source localization under challenging conditions, achieving estimation accuracy comparable to LASSO (i.e., the least absolute shrinkage and selection operator) while outperforming deconvolution beamforming. Experimental validation using the SWellEx-96 dataset confirms the method's practical feasibility.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 4","pages":""},"PeriodicalIF":1.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147596696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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