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Detecting continuous and discrete frequency changes as a function of spectral resolvability and modulation rate. 检测连续和离散频率变化作为频谱可分辨性和调制速率的函数。
IF 1.5
JASA express letters Pub Date : 2026-07-01 DOI: 10.1121/10.0044323
Penelope J Corbett, Kelly L Whiteford, Andrew J Oxenham
{"title":"Detecting continuous and discrete frequency changes as a function of spectral resolvability and modulation rate.","authors":"Penelope J Corbett, Kelly L Whiteford, Andrew J Oxenham","doi":"10.1121/10.0044323","DOIUrl":"10.1121/10.0044323","url":null,"abstract":"<p><p>This study measured detection of frequency modulation (FM) and frequency differences in alternating tones with spectrally resolved and unresolved harmonics for modulation rates between 2 and 20 Hz. The hypotheses were that FM detection involves (i) conversion to amplitude modulation through cochlear filtering and (ii) sampling instantaneous frequency at discrete times. Contrary to the first hypothesis, thresholds worsened with increasing modulation rate similarly for both resolved and unresolved harmonics. Thresholds for alternating tones were higher than for FM, particularly at faster modulation rates. Outcomes can be reconciled with existing theories if performance is limited by central, not peripheral, processes.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 7","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13339214/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148364255","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancing passive underwater localization with small mobile directional sensors using a source of opportunity. 利用机会源增强小型移动方向传感器的被动水下定位。
IF 1.5
JASA express letters Pub Date : 2026-07-01 DOI: 10.1121/10.0044364
Karim G Sabra, Eddy Boufarah, Davis Rider, Laurent Grare, Luc Lenain
{"title":"Enhancing passive underwater localization with small mobile directional sensors using a source of opportunity.","authors":"Karim G Sabra, Eddy Boufarah, Davis Rider, Laurent Grare, Luc Lenain","doi":"10.1121/10.0044364","DOIUrl":"https://doi.org/10.1121/10.0044364","url":null,"abstract":"<p><p>A passive self-localization method is demonstrated to relatively position underwater two towed acoustic modules (TAM) located ∼1 km apart within a few meters using only a drifting source of opportunity-a broadband acoustic pinger (1.25-1.5 kHz) located 2-10 km away. Each TAM is equipped with a compact tetrahedron hydrophone array and an inertial navigation system and is controlled by an autonomous surface vehicle to provide ground truth localization. Correlation processing of these relocated TAMs' recordings yields the bearings of the source of opportunity and two low-frequency 200-300 Hz bottom-moored sources located in the sound fixing and ranging channel at ranges up to 178 km away.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 7","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148431533","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
Sentence recognition and enhancement in noise: Effects of speech muffling, signal-to-noise ratio, and formant enhancement. 噪声环境下的句子识别和增强：语音消声、信噪比和共振峰增强的影响。
IF 1.5
JASA express letters Pub Date : 2026-07-01 DOI: 10.1121/10.0044414
Mingshuang Li, Chang Liu
{"title":"Sentence recognition and enhancement in noise: Effects of speech muffling, signal-to-noise ratio, and formant enhancement.","authors":"Mingshuang Li, Chang Liu","doi":"10.1121/10.0044414","DOIUrl":"https://doi.org/10.1121/10.0044414","url":null,"abstract":"<p><p>This study tested whether targeted formant enhancement improves recognition of natural and N95-muffled IEEE sentences in quiet and four-talker babble. Twenty-one normal-hearing native English listeners identified unmodified, F2-enhanced, and combined F2-F3-enhanced sentences in quiet and at babble. While formant enhancements did not improve recognition in quiet, they significantly facilitated speech recognition in babble, with combined F2-F3 enhancement yielding broader and more consistent benefits than F2 enhancement, especially for N95-muffled speech. These findings support multi-formant enhancement as a promising approach for improving intelligibility of speech produced with and without face masks in noisy environments.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 7","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148521624","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
In vitro evaluation of the ringdown artifact with findings consistent with linear superposition of narrowband waves. 与窄带波线性叠加相一致的环形伪影的体外评价。
IF 1.5
JASA express letters Pub Date : 2026-07-01 DOI: 10.1121/10.0044478
Isaac Matthias
{"title":"In vitro evaluation of the ringdown artifact with findings consistent with linear superposition of narrowband waves.","authors":"Isaac Matthias","doi":"10.1121/10.0044478","DOIUrl":"https://doi.org/10.1121/10.0044478","url":null,"abstract":"<p><p>In B-mode medical ultrasound, a ringdown artifact is a vertical, linear artifact composed of horizontal bands. In this study, in vitro ringdown artifact models are investigated. Frequency domain spectral analysis of the ringdown artifact shows narrowband peaks, with a difference frequency that matches the spacing of bands in the ringdown artifact. These data are consistent with linear superposition of narrowband waves. Reconstruction of individual focused pulse acquisitions visualizes a triangular ringdown artifact, indicating that the linear shape of the ringdown artifact may itself be an artifact of composite imaging.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 7","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148537712","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
Amplitude-invariant phase masking for coherence recovery in scattered wavefields. 散射波场相干恢复的幅值不变相位掩蔽。
IF 1.5
JASA express letters Pub Date : 2026-07-01 DOI: 10.1121/10.0044229
Akshika Rohatgi, Andrey Bakulin, Sergey Fomel
{"title":"Amplitude-invariant phase masking for coherence recovery in scattered wavefields.","authors":"Akshika Rohatgi, Andrey Bakulin, Sergey Fomel","doi":"10.1121/10.0044229","DOIUrl":"https://doi.org/10.1121/10.0044229","url":null,"abstract":"<p><p>Coherent summation of multichannel recordings relies on phase stability across measurements. In scattered wavefields, near-surface heterogeneities introduce record-dependent phase distortions that decorrelate otherwise coherent signals and degrade summation quality. Conventional approaches to recovering phase coherence implicitly tie phase estimation to signal amplitude, introducing bias where amplitude variability is large. We present a framework based on circular statistics that separates phase estimation from amplitude entirely, ensuring all records contribute equally to the representative phase regardless of their energy. Synthetic experiments confirm that the proposed method outperforms conventional approaches when amplitude variability is present, offering a practical path toward more robust coherence recovery in seismic imaging and other wave-based sensing applications.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 7","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148364281","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
Extending Sottek Hearing Model loudness to estimate partially-masked sound qualities of loudness, tonality, and sharpness. 扩展Sottek听力模型响度，以估计响度，调性和清晰度的部分被掩盖的声音质量。
IF 1.4
JASA express letters Pub Date : 2026-06-01 DOI: 10.1121/10.0044195
Michael J B Lotinga, Matt Torjussen, Marc C Green, Roland Sottek, Antonio J Torija
{"title":"Extending Sottek Hearing Model loudness to estimate partially-masked sound qualities of loudness, tonality, and sharpness.","authors":"Michael J B Lotinga, Matt Torjussen, Marc C Green, Roland Sottek, Antonio J Torija","doi":"10.1121/10.0044195","DOIUrl":"https://doi.org/10.1121/10.0044195","url":null,"abstract":"<p><p>The Sottek Hearing Model provides a means to analyse perceptual sound qualities including loudness, tonality, roughness, and fluctuation strength. An extension to the loudness algorithms is described, which addresses cases in which a source of interest is partially masked by other sounds, such as an encompassing ambient acoustic environment. The proposed extension is validated with objective predictions for unmanned aircraft systems (UAS) and artificial noise, and subjective test results for UAS. The partial loudness extension proposed also enables the calculation of further partial sound qualities, including partial tonality, partial tonal loudness, and partial sharpness. Software implementations of the tools are provided.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 6","pages":""},"PeriodicalIF":1.4,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148260662","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
Contribution of cognitive functions, musical abilities, and auditory scene analysis to speech-in-noise perception. 认知功能、音乐能力和听觉场景分析对噪音语音感知的贡献。
IF 1.4
JASA express letters Pub Date : 2026-06-01 DOI: 10.1121/10.0043926
Elena Benocci, Luna Prud'homme, Axelle Calcus
{"title":"Contribution of cognitive functions, musical abilities, and auditory scene analysis to speech-in-noise perception.","authors":"Elena Benocci, Luna Prud'homme, Axelle Calcus","doi":"10.1121/10.0043926","DOIUrl":"10.1121/10.0043926","url":null,"abstract":"<p><p>Executive functions and linguistic abilities positively relate to speech perception in noise (SiN) in adults. Musical expertise and auditory scene analysis (ASA) also appear to support this complex task, although their respective contributions remain unclear. This study was aimed at disentangling the complex relationships between auditory, cognitive, and linguistic factors, supporting SiN in adults with typical hearing. Results indicated that working memory contributes to attentive tracking (a component of ASA), which, in turn, supports SiN. Musical abilities contribute to streaming, which underlies attentive tracking. ASA likely mediates the impact of cognitive or musical abilities on SiN.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 6","pages":""},"PeriodicalIF":1.4,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148159280","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
Investigation on vocal damping and epithelial oscillation regarding laryngeal mechanisms M2d and M3. 关于喉机制M2d和M3的声带阻尼和上皮振荡的研究。
IF 1.5
JASA express letters Pub Date : 2026-06-01 DOI: 10.1121/10.0043934
Angela Wingerath, Marie Köberlein, Jonas Kirsch, Sven Grawunder, Matthias Echternach
{"title":"Investigation on vocal damping and epithelial oscillation regarding laryngeal mechanisms M2d and M3.","authors":"Angela Wingerath, Marie Köberlein, Jonas Kirsch, Sven Grawunder, Matthias Echternach","doi":"10.1121/10.0043934","DOIUrl":"10.1121/10.0043934","url":null,"abstract":"<p><p>Recent studies have demonstrated that human vocalizations above 1000 Hz can be realized within laryngeal mechanism M2. Here, subgroup M2d has been described as restriction of the vibrating vocal fold portion. Furthermore, there are hypotheses for ultra-high fundamental frequencies using epithelial-dominated oscillation. The presented data from high-speed video material of three subjects support these findings, showing oscillation at small anterior orifices of the vocal folds. The fundamental frequencies of audio recording, electroglottography, and glottal area waveform correspond. In one sample above 3 kHz, complex frequency combinations occurred, which were detectable in both the vocal fold oscillation and the acoustic spectrum.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 6","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148140091","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
Block-sparse enhancement and detection of envelope modulation on noise for ship radiated noise. 船舶辐射噪声的块稀疏增强与包络调制噪声检测。
IF 1.5
JASA express letters Pub Date : 2026-06-01 DOI: 10.1121/10.0044208
Ge Yu, Mingxun Liu, Yanli Chen
{"title":"Block-sparse enhancement and detection of envelope modulation on noise for ship radiated noise.","authors":"Ge Yu, Mingxun Liu, Yanli Chen","doi":"10.1121/10.0044208","DOIUrl":"https://doi.org/10.1121/10.0044208","url":null,"abstract":"<p><p>Underwater target recognition is essential for ocean monitoring, with ship radiated noise analysis being a fundamental technique. This paper proposes a detection method based on block sparse enhancement. A harmonic dictionary is constructed and block sparse reconstruction is applied to enhance line spectrum components in the Detection of Envelope Modulation on Noise spectrum. A detection strategy that integrates harmonic structure and fundamental frequency continuity is designed. Simulations and SWellEx-96 data demonstrate that the proposed method achieves better clarity, higher signal-to-noise ratio (SNR) gain, and improved stability under low SNR conditions compared to traditional approaches.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 6","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148274043","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
Predicting acoustic field with a separate variable ocean physics-informed neural network. 用独立变量海洋物理信息神经网络预测声场。
IF 1.4
JASA express letters Pub Date : 2026-06-01 DOI: 10.1121/10.0044157
Yong Ding, Peng Xiao, Bo Zhao, Zhenglin Li
{"title":"Predicting acoustic field with a separate variable ocean physics-informed neural network.","authors":"Yong Ding, Peng Xiao, Bo Zhao, Zhenglin Li","doi":"10.1121/10.0044157","DOIUrl":"https://doi.org/10.1121/10.0044157","url":null,"abstract":"<p><p>High-frequency underwater acoustic field modeling is challenging for physics-informed neural networks (PINNs) due to the strongly oscillatory nature of acoustic pressure fields. Building upon the OceanPINN framework, this paper proposes a separable-variable OceanPINN with learnable spectral expansions for two-dimensional acoustic field prediction in high-frequency environments. The acoustic envelope is represented as a separable expansion of range-dependent and depth-dependent basis functions learned by one-dimensional spectral neural networks, with trainable expansion coefficients. Analytical derivatives of the trigonometric bases enable efficient and stable enforcement of the Helmholtz equation. Numerical results demonstrate improved accuracy and generalization over conventional OceanPINN under limited data conditions.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 6","pages":""},"PeriodicalIF":1.4,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148260580","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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