发布求助
文献互助 智能选刊 最新文献

JASA express letters最新文献

筛选
英文 中文
Phase of the seabed frequency-domain reflection coefficient: Measurements and modelinga).
IF 1.2
JASA express letters Pub Date : 2025-02-01 DOI: 10.1121/10.0035583
Charles W Holland
{"title":"Phase of the seabed frequency-domain reflection coefficient: Measurements and modelinga).","authors":"Charles W Holland","doi":"10.1121/10.0035583","DOIUrl":"https://doi.org/10.1121/10.0035583","url":null,"abstract":"<p><p>The phase of the seabed frequency-domain reflection coefficient potentially contains valuable information on the geoacoustic properties in a layered/refracting seabed. However, heretofore, the phase has not been exploited. Measurements of phase are presented in an area of thick mud at the New England Mud Patch. In addition, a model is presented along with the modeling results. While this is only a first step towards understanding the potential value of exploiting the phase, it seems clear that in some instances, the phase not only contains valuable geoacoustic information, but carries a higher information content than the magnitude.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 2","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143082563","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
Measuring phase difference to sense small-scale ocean sound-speed structure.
IF 1.2
JASA express letters Pub Date : 2025-02-01 DOI: 10.1121/10.0035566
Jacob P DeFilippis, Bruce D Cornuelle, Andrew J Lucas, W S Hodgkiss, W A Kuperman
{"title":"Measuring phase difference to sense small-scale ocean sound-speed structure.","authors":"Jacob P DeFilippis, Bruce D Cornuelle, Andrew J Lucas, W S Hodgkiss, W A Kuperman","doi":"10.1121/10.0035566","DOIUrl":"https://doi.org/10.1121/10.0035566","url":null,"abstract":"<p><p>Observations from a broadband acoustic experiment in deep water probe the temporal behavior of mid-frequency propagation through sound-speed fine structure advected by internal waves. The measured phases of two arrivals with similar propagation paths at 1.8 km range are sampled every 63.5 ms for 30 min. Simultaneous measurements of ocean fine structure near the propagation are used to model the changing arrival phase. The phase difference between arrivals is analyzed to understand changes in the underwater acoustic channel at the meter scale. A comparison between modeled and observed phase difference highlights an internal wave driven signal in the acoustic observations.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 2","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143082561","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
Wind-driven ambient noise characteristics in the Western Canadian arctic.
IF 1.2
JASA express letters Pub Date : 2025-02-01 DOI: 10.1121/10.0035591
Najeem Shajahan, William D Halliday, David R Barclay, Humfrey Melling, Andrea Neimi, Stephen J Insley
{"title":"Wind-driven ambient noise characteristics in the Western Canadian arctic.","authors":"Najeem Shajahan, William D Halliday, David R Barclay, Humfrey Melling, Andrea Neimi, Stephen J Insley","doi":"10.1121/10.0035591","DOIUrl":"https://doi.org/10.1121/10.0035591","url":null,"abstract":"<p><p>An analysis of ambient noise data collected from seven locations in the western Canadian Arctic at varying depths (30-350 m) during ice-free seasons over a period of five years (2018-2022) has been conducted. The measured noise level correlates well with wind speed after the removal of contaminated (sources other than wind) noise data. The characteristics of wind noise are predicted by fitting a multi-parameter empirical model to data. Results from the model are compared with existing empirical wind noise models and validated using data collected from one of the measurement locations.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 2","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143082578","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
Non-negative matrix factorization based single-channel source-separation of passive underwater acoustic signals in deep sea.
IF 1.2
JASA express letters Pub Date : 2025-02-01 DOI: 10.1121/10.0035936
Jean Lecoulant, Abdel-Ouahab Boudraa, Samuel Pinson
{"title":"Non-negative matrix factorization based single-channel source-separation of passive underwater acoustic signals in deep sea.","authors":"Jean Lecoulant, Abdel-Ouahab Boudraa, Samuel Pinson","doi":"10.1121/10.0035936","DOIUrl":"https://doi.org/10.1121/10.0035936","url":null,"abstract":"<p><p>We use non-negative matrix factorization for source separation on ultra-low frequency passive-acoustic data from a single-channel recording acquired in deep sea. Non-negative matrix factorization decomposes the spectrogram into a spectral-component matrix and a time-encoding matrix. Detectors use known time-frequency features to group components from the same source and reconstruct spectrograms of blue whale calls, seismic sounds, and ship noise. Data are separated at low computational cost and without learning step. The separation assessment using scale-invariant signal-to-distortion ratio on spectrograms of simulated reference data is satisfying. Source separation on ocean-bottom seismometer data from the Southern Indian Ocean provides convincing results.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 2","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143451171","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
A fast measure of spatial separation for release from masking and its relation to intelligibility.
IF 1.2
JASA express letters Pub Date : 2025-02-01 DOI: 10.1121/10.0035840
Z Ellen Peng, Victoria Sweeney
{"title":"A fast measure of spatial separation for release from masking and its relation to intelligibility.","authors":"Z Ellen Peng, Victoria Sweeney","doi":"10.1121/10.0035840","DOIUrl":"10.1121/10.0035840","url":null,"abstract":"<p><p>This study validates a fast measure for spatial release from masking-minimum angular separation (MAS), the smallest spatial separation between a target and two-talker maskers to improve speech intelligibility by 20%. Three psychophysical methods to estimate MAS were compared, including the constant stimuli, adaptive staircase, and progressive tracking, which revealed no significant difference in the estimated threshold on the group level with bootstrapping. Results suggest that the MAS measurement can be expedited using the progressive tracking method without compromising robustness in the threshold estimation. The non-linear relationship between target-masker spatial separation, signal-to-noise ratio, and accuracy is explored.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 2","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11844435/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143412028","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
The negativity bias is encoded in language.
IF 1.2
JASA express letters Pub Date : 2025-02-01 DOI: 10.1121/10.0035924
Alexander Kilpatrick
{"title":"The negativity bias is encoded in language.","authors":"Alexander Kilpatrick","doi":"10.1121/10.0035924","DOIUrl":"10.1121/10.0035924","url":null,"abstract":"<p><p>This study investigates the relationship between emotional valence, phonemic bigram surprisal, and memory in American English. It reveals that negative words carry more Shannon's information-a measure of the transitional probability of phonemes within a word - than neutral or positive words and that increased information is associated with better memory performance. Specifically, words with negative valence and high surprisal were associated with increased hit rates and d' scores in an existing memory recognition experiment. These findings offer insights into the interaction between language structure and cognitive processing, with broader implications for memory and the evolution of communication.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 2","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143451172","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
Thank you to our 2024 reviewers.
IF 1.2
JASA express letters Pub Date : 2025-02-01 DOI: 10.1121/10.0035590
Charles C Church
{"title":"Thank you to our 2024 reviewers.","authors":"Charles C Church","doi":"10.1121/10.0035590","DOIUrl":"https://doi.org/10.1121/10.0035590","url":null,"abstract":"","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 2","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143082574","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
Improving transfer function measurements for three-dimensionally printed waveguides using a sand layer.
IF 1.2
JASA express letters Pub Date : 2025-02-01 DOI: 10.1121/10.0035803
Rémi Blandin, Patrick Häsner, Peter Birkholz
{"title":"Improving transfer function measurements for three-dimensionally printed waveguides using a sand layer.","authors":"Rémi Blandin, Patrick Häsner, Peter Birkholz","doi":"10.1121/10.0035803","DOIUrl":"10.1121/10.0035803","url":null,"abstract":"<p><p>The reciprocity principle is widely used for acoustic measurements, including three-dimensionally printed waveguide transfer functions. Previous studies revealed unexpected deviations in the 1-4 kHz range, likely due to secondary transmission paths. This study tests the effectiveness of a sand layer in reducing these paths and evaluates measurement variability and robustness to harmonic distortion. The method, tested on an affected replica and two additional replicas, shows that the sand layer effectively minimizes secondary transmission paths. The measurement system proves robust against harmonic distortion, ensuring good reproducibility, with results compared to simulations for validation.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 2","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143366905","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
Frequency band analysis and comparison of localisation techniques for drones using microphone array measurements.
IF 1.2
JASA express letters Pub Date : 2025-02-01 DOI: 10.1121/10.0035915
Anique Altena, Mirjam Snellen, Salil Luesutthiviboon, Guido de Croon, Mark Voskuijl
{"title":"Frequency band analysis and comparison of localisation techniques for drones using microphone array measurements.","authors":"Anique Altena, Mirjam Snellen, Salil Luesutthiviboon, Guido de Croon, Mark Voskuijl","doi":"10.1121/10.0035915","DOIUrl":"https://doi.org/10.1121/10.0035915","url":null,"abstract":"<p><p>This study covers three aspects of acoustic localisation of drones using a microphone array. First, it assesses a grid-free approach, using differential evolution, to estimate the three-dimensional position of a drone. It is found that this is indeed possible for the drone in the near-field. For larger distances, it still provides the angular position of the drone. Second, the study emphasizes the essence of localisation over small frequency bands with the bands jointly spanning a large frequency range to reveal the presence of multiple sound sources and maximise the drone localisation range. Third, it addresses the localisation ranges for six different drones.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 2","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143416424","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
Focus realization in Albanian: The role of prosody and utterance position.
IF 1.2
JASA express letters Pub Date : 2025-02-01 DOI: 10.1121/10.0035419
Enkeleida Kapia, Felicitas Kleber, Jonathan Harrington, Michele Gubian
{"title":"Focus realization in Albanian: The role of prosody and utterance position.","authors":"Enkeleida Kapia, Felicitas Kleber, Jonathan Harrington, Michele Gubian","doi":"10.1121/10.0035419","DOIUrl":"10.1121/10.0035419","url":null,"abstract":"<p><p>This study investigates the realization of narrow and broad focus in Albanian, an understudied language. Production and perception data were analyzed for narrow and broad focus. Speakers were found to produce broad focus with a low f0-trough (L*) and narrow focus with a high f0-peak (L + H*) in both final and initial positions. Listeners preferred L + H* stimuli for narrow focus in initial position regardless of whether they heard a narrow or a broad focus question. These findings show that focus marking in Albanian is influenced more by position than prosodic cues.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 2","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143082559","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
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信