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Auditory brainstem response parameters in big brown bats are insensitive to echo glint structure. 大棕蝠听觉脑干反应参数对回声闪烁结构不敏感。
IF 1.4
JASA express letters Pub Date : 2025-08-01 DOI: 10.1121/10.0038943
Andrea Megela Simmons, Amaro Tuninetti, James A Simmons
{"title":"Auditory brainstem response parameters in big brown bats are insensitive to echo glint structure.","authors":"Andrea Megela Simmons, Amaro Tuninetti, James A Simmons","doi":"10.1121/10.0038943","DOIUrl":"https://doi.org/10.1121/10.0038943","url":null,"abstract":"<p><p>Echolocating big brown bats (Eptesicus fuscus) perceive a target's reflecting parts, or glints, from spectral peaks and nulls in echoes. Glints serve as cues for object size and shape. In this exploratory study, we investigated whether the scalp-recorded auditory brainstem response (ABR) carries information about glints. We show that ABR amplitude, latency, and root mean square energy do not differentiate between glints in a manner paralleling the bat's perception. ABR recordings, even though they encode some perceptually relevant features of echoes, may not be sensitive enough to distinguish these more subtle cues.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 8","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144801170","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
Spatiotemporal group definition of franciscana dolphins from passive acoustic data. 基于被动声学数据的franciscana海豚时空群定义。
IF 1.4
JASA express letters Pub Date : 2025-08-01 DOI: 10.1121/10.0038646
João Pedro M Mura, Giovanne A Ferreira, Alexandre N Zerbini, Artur Andriolo
{"title":"Spatiotemporal group definition of franciscana dolphins from passive acoustic data.","authors":"João Pedro M Mura, Giovanne A Ferreira, Alexandre N Zerbini, Artur Andriolo","doi":"10.1121/10.0038646","DOIUrl":"https://doi.org/10.1121/10.0038646","url":null,"abstract":"<p><p>We applied passive acoustic monitoring and Hierarchical Density-Based Spatial Clustering of Applications with Noise clustering to define spatiotemporally cohesive groupings of franciscana dolphin (Pontoporia blainvillei) echolocation click trains. This unsupervised, objective method identified biologically relevant click train clusters, offering rare insights into the species' social organization. The observed structure revealed consistent intra-cluster cohesion and inter-cluster separation, supporting the effectiveness of the approach. Our findings demonstrate that clustering acoustic detections can serve as a robust framework for delineating social groups and can be integrated into future density estimation protocols, enhancing the ecological understanding and conservation potential for this cryptic and vulnerable species.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 8","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144796293","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
Language-specific phonetic realisation of stop voicing contrasts in English and Japanese synthesised speech. 英语和日语合成语音中停止发声对比的语言特征语音实现。
IF 1.4
JASA express letters Pub Date : 2025-08-01 DOI: 10.1121/10.0039066
James Tanner, Yasuaki Shinohara, Faith Chiu
{"title":"Language-specific phonetic realisation of stop voicing contrasts in English and Japanese synthesised speech.","authors":"James Tanner, Yasuaki Shinohara, Faith Chiu","doi":"10.1121/10.0039066","DOIUrl":"https://doi.org/10.1121/10.0039066","url":null,"abstract":"<p><p>Speech synthesis has improved dramatically over recent years, enabled by large datasets and advances in neural network architectures. Little is known, however, about how synthesised speech patterns are realized from a phonetic perspective. By synthesising speech in two languages with differing implementations of stop voicing, we observe that synthesised speech broadly follows expected patterns for each language, though partially diverges for specific segments. Synthesising speakers into the opposing language also results in stops similar to target language distributions. These findings demonstrate the capability of speech synthesis models to encode phonetic information and further motivate questions regarding the phonetics of synthesised speech.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 8","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144981289","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
Subject instructions for improved characterization of auditory representations using reverse correlation. 使用反向相关改进听觉表征的主题说明。
IF 1.2
JASA express letters Pub Date : 2025-07-01 DOI: 10.1121/10.0037102
Gidey W Gezae, Nelson V Barnett, Benjamin Parrell, Divya A Chari, Adam C Lammert
{"title":"Subject instructions for improved characterization of auditory representations using reverse correlation.","authors":"Gidey W Gezae, Nelson V Barnett, Benjamin Parrell, Divya A Chari, Adam C Lammert","doi":"10.1121/10.0037102","DOIUrl":"https://doi.org/10.1121/10.0037102","url":null,"abstract":"<p><p>Reverse correlation (RC) is an established method for reconstructing auditory representations and has recently emerged as a tool for characterizing the sounds experienced by tinnitus patients. Tod further optimize RC for auditory research, the present work investigated the influence of subject instructions on characterization quality of tinnitus-like sounds. A validation study was conducted in which 18 normal-hearing subjects were randomly assigned 1 of 3 candidate instruction sets, each inspired by the RC literature. Results show a significant effect of instruction set on characterization quality and reveal that instructing subjects to detect a hidden signal in the RC stimuli resulted in the best reconstruction.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 7","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144593084","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-native listener perceptual similarity ratings as a measure of L2 speech production. 非母语听者感知相似性评级作为二语言语产生的测量。
IF 1.4
JASA express letters Pub Date : 2025-07-01 DOI: 10.1121/10.0037229
Carissa A Diantoro, Melissa A Redford
{"title":"Non-native listener perceptual similarity ratings as a measure of L2 speech production.","authors":"Carissa A Diantoro, Melissa A Redford","doi":"10.1121/10.0037229","DOIUrl":"10.1121/10.0037229","url":null,"abstract":"<p><p>This study investigates the feasibility of using non-native listeners to assess non-native pronunciation of different target languages. Native English-speaking students studying university-level German and French reproduced German, French, and Indonesian sentences based on native-speaker models. Students not pursuing university-level language study did the same. Other native English-speaking students served as non-native listeners, rating the similarity of elicited sentences to native-speaker models. Similarity ratings were higher for language learners compared to non-learners across languages. Articulation rate and interval-based rhythm measures were strong predictors of similarity ratings. Results parallel findings from second-language acquisition studies, wherein native listeners typically evaluate L2 pronunciation.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 7","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12290856/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144700556","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
How vocal timbre impacts word identification and listening effort in traffic-shaped noises. 在交通形状的噪音中，声音音色如何影响单词识别和听力。
IF 1.4
JASA express letters Pub Date : 2025-07-01 DOI: 10.1121/10.0037043
Tzu-Pei Tsai, Tessa Bent, Malachi Henry
{"title":"How vocal timbre impacts word identification and listening effort in traffic-shaped noises.","authors":"Tzu-Pei Tsai, Tessa Bent, Malachi Henry","doi":"10.1121/10.0037043","DOIUrl":"10.1121/10.0037043","url":null,"abstract":"<p><p>This study investigated how variation in vocal timbre (e.g., neutral and twangy) influences intelligibility and listening effort in traffic-shaped noises. Word identification and subjective listening effort ratings were used to assess timbre effects. Intelligibility was significantly higher in twangy speech than in neutral speech. Twangy timbre had lower listening effort compared to neutral timbre for female speech only. The twang advantage might arise from higher perceived loudness, higher F1 and F2, and less breathy and hoarse voice quality. The result suggests that vocal timbre adjustments could be a strategy talkers employ to improve intelligibility in noise.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 7","pages":""},"PeriodicalIF":1.4,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144735895","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
Early fiber development in human vocal folds: An in vitro pilot study. 人类声带早期纤维发育：一项体外初步研究。
IF 1.2
JASA express letters Pub Date : 2025-07-01 DOI: 10.1121/10.0037106
Ingo R Titze, M Ben Christensen, Patrick A Tresco
{"title":"Early fiber development in human vocal folds: An in vitro pilot study.","authors":"Ingo R Titze, M Ben Christensen, Patrick A Tresco","doi":"10.1121/10.0037106","DOIUrl":"10.1121/10.0037106","url":null,"abstract":"<p><p>When stretch and vibration are applied, human vocal folds develop from an isotropic gel-like structure to a layered structure with specific fiber direction. A human vocal fold fibroblast cell line was used to seed polyurethane foams that were cultured in media and subjected to a variety of mechanical conditioning regimens over a 3-week period. A bioreactor mimicked forces experienced by the human vocal folds to develop a vocal ligament. Fiber orientation was studied qualitatively for combinations of strain and vibration. While collagen type 1 fibers were randomly organized under static conditions, a combination of vibration and strain produced some fiber orientation.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 7","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12247040/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144593072","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
Omura's whale (Balaenoptera omurai) song features and structure in northern Australian waters. 大村鲸（Balaenoptera omurai）在澳大利亚北部水域的歌曲特征和结构。
IF 1.2
JASA express letters Pub Date : 2025-07-01 DOI: 10.1121/10.0037187
Ciara E Browne, Christine Erbe, Robert D McCauley
{"title":"Omura's whale (Balaenoptera omurai) song features and structure in northern Australian waters.","authors":"Ciara E Browne, Christine Erbe, Robert D McCauley","doi":"10.1121/10.0037187","DOIUrl":"https://doi.org/10.1121/10.0037187","url":null,"abstract":"<p><p>This paper describes Omura's whale vocalizations recorded off northern Australia. Most common was a two-unit \"doublet\" (17-50 Hz, peak 25.5 Hz, duration ∼15 s). This was rhythmically repeated for extended periods of time, in typical baleen-whale song structure, suggesting it is a male breeding display. A one-unit \"singlet\" occurred in the lower-latitude locations off the northwest (13-72 Hz, peak 26.6 Hz, 8 s). In the Great Barrier Reef, similar doublets were detected, identifying a possible population of the species in the Southwest Pacific. Such geographic variation of song may benefit passive acoustic monitoring of this species for conservation management.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 7","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144644312","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
Durational differences between homophonous va affixes and non-morphemic va in Bora (Northwest Amazon). 博拉语同音va词缀与非语素va词缀的历时差异。
IF 1.2
JASA express letters Pub Date : 2025-07-01 DOI: 10.1121/10.0037207
Frank Seifart
{"title":"Durational differences between homophonous va affixes and non-morphemic va in Bora (Northwest Amazon).","authors":"Frank Seifart","doi":"10.1121/10.0037207","DOIUrl":"https://doi.org/10.1121/10.0037207","url":null,"abstract":"<p><p>Acoustic differences between homophonous morphemes raise concerns for mainstream models of language production. But evidence for such differences so far comes almost exclusively from word final s in English. The current study analyzes homophonous va affixes and corresponding non-morphemic syllables in a corpus of Bora, an under-resourced and morphologically complex Amazonian language. Results from a statistical model that controls for final lengthening and other factors known to influence syllable duration indicate that non-morphemic vas are on average 8.2 ms longer than va affixes. This adds urgency to reconsidering the role of morphology in language production.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 7","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144692628","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
Passive acoustic estimates of sound speed from vertical line array data in the Nordic Seas. 从北欧海域的垂直线阵列数据对声速的被动声学估计。
IF 1.2
JASA express letters Pub Date : 2025-07-01 DOI: 10.1121/10.0037103
Robert T Taylor, Megan S Ballard, Jason D Sagers, Leah Johnson, Harper Simmons
{"title":"Passive acoustic estimates of sound speed from vertical line array data in the Nordic Seas.","authors":"Robert T Taylor, Megan S Ballard, Jason D Sagers, Leah Johnson, Harper Simmons","doi":"10.1121/10.0037103","DOIUrl":"https://doi.org/10.1121/10.0037103","url":null,"abstract":"<p><p>In wind-wave driven ambient sound environments, the cross-correlation of acoustic data recorded on vertically separated hydrophones can provide estimates of the average sound speed between hydrophones. Deployment of a 52-element vertical line array of hydrophones located on a 425 m deep ridge in the Nordic waters near Jan Mayen Island enabled estimates of the water column sound speed profile. Sound speed profiles were estimated for each 24-min recording, which were collected every four hours over the course of the year-long experiment, supplying a wide range of environmental conditions. Over the full experiment, estimated sound speeds had a root-median-square error of 0.79 m/s when compared to direct measurements.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"5 7","pages":""},"PeriodicalIF":1.2,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144644313","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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