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Temporal variability of high-frequency seafloor scattering strength at a sandy site in the Gulf of Maine. 缅因湾沙质区域高频海底散射强度的时间变异性。
IF 1.5
JASA express letters Pub Date : 2026-09-01 DOI: 10.1121/10.0046728
Jenna Hare, Kaan Cav, Anthony P Lyons
{"title":"Temporal variability of high-frequency seafloor scattering strength at a sandy site in the Gulf of Maine.","authors":"Jenna Hare, Kaan Cav, Anthony P Lyons","doi":"10.1121/10.0046728","DOIUrl":"https://doi.org/10.1121/10.0046728","url":null,"abstract":"<p><p>The goal of this research was to quantify the variability of seafloor backscattering strength occurring on time scales of weeks to months. Acoustic data were acquired using a 2-m-tall stationary mooring placed on the seafloor in a shallow water, sandy site located at the mouth of the Piscataqua River, New Hampshire, USA. Seafloor backscattering was measured at three frequencies (70, 200 and 333 kHz) and at low grazing angles (11° to 20°). Results show that scattering strength at fixed grazing angles varied weekly up to 10 dB and up to 18.8 dB over the 8-month deployment.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 9","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149042534","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
Matrix-product-state compression of quantum-encoded vocal-tract transfer functions. 量子编码声道传递函数的矩阵积态压缩。
IF 1.5
JASA express letters Pub Date : 2026-09-01 DOI: 10.1121/10.0046484
Sheng Li, Jiyi Li
{"title":"Matrix-product-state compression of quantum-encoded vocal-tract transfer functions.","authors":"Sheng Li, Jiyi Li","doi":"10.1121/10.0046484","DOIUrl":"https://doi.org/10.1121/10.0046484","url":null,"abstract":"<p><p>Vocal-tract transfer functions are densely sampled acoustic representations, making direct quantum-state preparation costly. In this paper, we investigate whether their resonant structure permits compact quantum-compatible encoding. Transfer functions from the Dresden Vocal Tract Dataset are represented as 14-qubit amplitude states and compressed using matrix product states. The resulting states exhibit low cross-partition complexity, allowing a bond-dimension-eight representation to reduce storage by 13.7 times while retaining reconstruction accuracy close to the uncompressed finite-element reference. A complex encoding also preserves phase. These findings show how acoustic structure can reduce the memory required for sequential preparation of quantum-encoded speech representations.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 9","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027132","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
Binaural pitch fusion in cochlear implant users is broader and narrower with coherent and incoherent envelope modulation, respectively. 人工耳蜗使用者的双耳音高融合在相干包络调制和非相干包络调制下分别较宽和较窄。
IF 1.5
JASA express letters Pub Date : 2026-09-01 DOI: 10.1121/10.0046640
Yonghee Oh, Lina Reiss
{"title":"Binaural pitch fusion in cochlear implant users is broader and narrower with coherent and incoherent envelope modulation, respectively.","authors":"Yonghee Oh, Lina Reiss","doi":"10.1121/10.0046640","DOIUrl":"10.1121/10.0046640","url":null,"abstract":"<p><p>This study examined whether interaural amplitude modulation (AM) coherence influences binaural pitch fusion in cochlear implant (CI) users. Fourteen adults, including seven bimodal and seven bilateral CI users, completed fusion-range measurements using dichotic stimuli under unmodulated, coherent AM and two incoherent AM conditions involving interaural AM-phase and AM-rate mismatches. Coherent AM consistently broadened fusion ranges, often doubling those in the unmodulated condition, even with shallow modulation depth. In contrast, incoherent AM, including interaural phase or rate mismatches, narrowed fusion. These findings indicate that temporal-envelope coherence facilitates binaural integration in CI users, emphasizing its importance for auditory processing and CI sound-processing design.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 9","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13602383/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149027069","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
Estimating the performance of the infotaxis search strategy for changing beamwidth. 变化波束宽度下信息趋向性搜索策略的性能评估。
IF 1.5
JASA express letters Pub Date : 2026-09-01 DOI: 10.1121/10.0046480
Marvin Mboya, John R Buck, Wu-Jung Lee
{"title":"Estimating the performance of the infotaxis search strategy for changing beamwidth.","authors":"Marvin Mboya, John R Buck, Wu-Jung Lee","doi":"10.1121/10.0046480","DOIUrl":"https://doi.org/10.1121/10.0046480","url":null,"abstract":"<p><p>Infotaxis was compared with maximum a posteriori (MAP) search in active sensing for varying sonar beam widths on one-dimensional grids. The active sensing model incorporated missed detections and false alarms typically found in sonar. Monte Carlo simulations were run across detection probabilities for a fixed false alarm probability, and experiments validated the simulations. Infotaxis outperformed MAP for high and low detection probabilities for medium beam widths. Infotaxis also showed faster recovery for missed first-detections compared to MAP for medium beam widths. Furthermore, Infotaxis exhibited information-maximizing behavior, confirming the strategy's effectiveness relative to MAP.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 9","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148922021","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
Monitoring building HVAC runtime using low-cost acoustic sensors. 使用低成本声学传感器监测建筑暖通空调运行情况。
IF 1.5
JASA express letters Pub Date : 2026-09-01 DOI: 10.1121/10.0046526
Kieren H McCord, Laura Fierce, Paul Francik, Chrissi A Antonopoulos
{"title":"Monitoring building HVAC runtime using low-cost acoustic sensors.","authors":"Kieren H McCord, Laura Fierce, Paul Francik, Chrissi A Antonopoulos","doi":"10.1121/10.0046526","DOIUrl":"https://doi.org/10.1121/10.0046526","url":null,"abstract":"<p><p>This paper evaluates whether low-cost acoustic sensors can be used to predict HVAC on/off state and runtimes by comparing acoustically inferred air handler unit (AHU) operation with power level measurements from a dedicated AHU circuit. We demonstrate and evaluate this approach in a full-scale laboratory home designed for energy performance testing. A threshold-based state inference algorithm applied independently to the power and noise data showed 96.8% agreement, suggesting that overall A-weighted sound level can be used to estimate AHU state for two-state systems with careful sensor placement.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 9","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148978929","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
Characterizing the perceptual effect of changing phase duration: Is it place-pitch? 表征相位持续时间变化的感知效应：是位置-音高吗？
IF 1.5
JASA express letters Pub Date : 2026-09-01 DOI: 10.1121/10.0046504
Natalia Stupak, Joshua S Stohl, David M Landsberger
{"title":"Characterizing the perceptual effect of changing phase duration: Is it place-pitch?","authors":"Natalia Stupak, Joshua S Stohl, David M Landsberger","doi":"10.1121/10.0046504","DOIUrl":"https://doi.org/10.1121/10.0046504","url":null,"abstract":"<p><p>Cochlear implant stimulus phase duration can vary clinically to ensure adequate loudness growth while avoiding current-source compliance limits. These manipulations are typically done without consideration of any possible perceptual changes beyond loudness. However, limited reports in the literature suggest that changing phase duration can also impact pitch. It is well established that changes in multiple perceptual dimensions may be reported as pitch. In this study, phase duration and electrodes were systematically varied, and a multidimensional scaling paradigm was used to test whether perceptual changes caused by changes in phase duration lie along the dimension of place-pitch when observed.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 9","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148978927","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
Event-driven changes in near-shore underwater noise during the 37th America's Cup in Barcelona. 在巴塞罗那举行的第37届美洲杯期间，事件驱动的近岸水下噪音变化。
IF 1.5
JASA express letters Pub Date : 2026-09-01 DOI: 10.1121/10.0046430
Ignasi Nou-Plana, Rosa M Alsina-Pagès
{"title":"Event-driven changes in near-shore underwater noise during the 37th America's Cup in Barcelona.","authors":"Ignasi Nou-Plana, Rosa M Alsina-Pagès","doi":"10.1121/10.0046430","DOIUrl":"https://doi.org/10.1121/10.0046430","url":null,"abstract":"<p><p>Vessel noise is a recognised stressor for marine fauna, yet acoustic pressure from large-scale maritime events in urban coastal settings remains poorly quantified. Using calibrated hydrophone recordings and Automatic Identification System (AIS) data from the DeuteroNoise dataset, we document near-shore noise during the 37th America's Cup (Barcelona, October 2024) against non-event baselines. Broadband levels increased by 5-8 dB re 1 μPa, day-night variability, ∼2.3 dB in the representative summer baseline, collapsed to <1 dB during the event, and 63 and 125 Hz third-octave bands rose by 4 dB during the day and up to 13 dB at night, indicating sustained low-frequency pressure throughout event days.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 9","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148882462","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
The voice clone intelligibility benefit in noise in middle-aged listeners. 语音克隆的清晰度对中年听众的噪音有好处。
IF 1.5
JASA express letters Pub Date : 2026-09-01 DOI: 10.1121/10.0046178
Patti Adank, Han Wang
{"title":"The voice clone intelligibility benefit in noise in middle-aged listeners.","authors":"Patti Adank, Han Wang","doi":"10.1121/10.0046178","DOIUrl":"https://doi.org/10.1121/10.0046178","url":null,"abstract":"<p><p>Research with younger adults showed that cloned voices are more intelligible than human voices in noise, with a benefit of 13.4%. This study tested whether this benefit extends to 40 middle-aged listeners (45-65 years), as this population may show emerging difficulties with speech-in-noise. Participants recognised sentences by ten human voices and ten voice clones in four noise levels. Cloned voices were 11.8% more intelligible, with benefits enhanced at the two most severe noise levels (15.9% at -6 dB and 17.5% at -3 dB), suggesting cloned speech enhanced perception in middle-aged listeners, potentially by reducing listening effort and compensating for emerging age-related auditory-cognitive decline.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 9","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148868317","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
Single-hydrophone bearing estimation for long-range underwater navigation. 远距离水下导航单水听器方位估计。
IF 1.5
JASA express letters Pub Date : 2026-09-01 DOI: 10.1121/10.0046290
Karim G Sabra, Davis Rider, Laurent Grare, Matthew A Dzieciuch, Luc Lenain
{"title":"Single-hydrophone bearing estimation for long-range underwater navigation.","authors":"Karim G Sabra, Davis Rider, Laurent Grare, Matthew A Dzieciuch, Luc Lenain","doi":"10.1121/10.0046290","DOIUrl":"https://doi.org/10.1121/10.0046290","url":null,"abstract":"<p><p>Beacon acoustic sources can aid long-range underwater navigation since using an inertial navigation system alone becomes inaccurate over long duration. Here, estimates of the relative position of a single hydrophone mounted on a small underwater platform are used only while recording a 2-min-long low-frequency (200-300 Hz) transmission from a beacon source located at depth ∼1100 m and ranges up to ∼148 km in the vicinity of two seamounts. Accounting for the hydrophone motion in the matched-filtering process during the source transmission allows to estimate the bearing of this single beacon source for navigation purposes despite environmental complexity.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 9","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148868300","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
Effects of identity-related voice cues on speech timing under delayed auditory feedback. 延迟听觉反馈下身份相关语音线索对言语时间的影响。
IF 1.5
JASA express letters Pub Date : 2026-09-01 DOI: 10.1121/10.0046693
Yasufumi Uezu, Masato Akagi, Masashi Unoki
{"title":"Effects of identity-related voice cues on speech timing under delayed auditory feedback.","authors":"Yasufumi Uezu, Masato Akagi, Masashi Unoki","doi":"10.1121/10.0046693","DOIUrl":"10.1121/10.0046693","url":null,"abstract":"<p><p>Delayed auditory feedback (DAF) disrupts speech timing, but whether this disruption depends on acoustic cues in the feedback voice remains unclear. Twelve Japanese male speakers read sentences while feedback was presented with actual delays of 30-40, 130-140, and 230-240 ms and with pitch shifting and/or spectral-envelope expansion/compression. Mixed-effects analyses treating pitch and spectral-envelope manipulations separately showed that utterance duration increased with delay and exhibited a significant delay-dependent effect of spectral-envelope manipulation, whereas pitch effects were not significant. Total mora count increased with delay without clear pitch- or spectral-envelope-related modulation, and mean mora duration also increased with delay.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"6 9","pages":""},"PeriodicalIF":1.5,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149042529","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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