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Case study: Evidence of long-term stability in a stereotyped whistle in a single free-ranging humpback dolphin (Sousa plumbea) found in sympatry (Tursiops aduncus). 案例研究：在同群（Tursiops aduncus）中发现的一只自由放养的座头海豚（Sousa plumbea）中发现的长期稳定的刻板口哨的证据。
IF 1.2
JASA express letters Pub Date : 2024-12-01 DOI: 10.1121/10.0034740
S Dines, R Probert, A Gullan, S Elwen, G Frainer, T Gridley
{"title":"Case study: Evidence of long-term stability in a stereotyped whistle in a single free-ranging humpback dolphin (Sousa plumbea) found in sympatry (Tursiops aduncus).","authors":"S Dines, R Probert, A Gullan, S Elwen, G Frainer, T Gridley","doi":"10.1121/10.0034740","DOIUrl":"10.1121/10.0034740","url":null,"abstract":"<p><p>This 11-year case study describes the acoustic behaviour of a resident Indian Ocean humpback dolphin during commercial swim-with-dolphin activities in Mozambique. Combining data collected using low-cost action cameras with full bandwidth hydrophone recordings, we identified a temporally stable stereotyped whistle contour that met the SIGnature IDentification bout criteria. This whistle was produced with potential information-enhancing features (bi-phonation and subtle variations in frequency modulation). This case study provides evidence for a single, stable, stereotyped call type from a single individual in a mixed species group, contributing to the growing body of evidence for possible signature whistle use in the Sousa genus.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"4 12","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142883740","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
Linear prediction on Cent scale for fundamental frequency analysis. 用于基频分析的分尺度线性预测。
IF 1.2
JASA express letters Pub Date : 2024-12-01 DOI: 10.1121/10.0034516
R Gowriprasad, T Anand, Rangarajan Aravind, Hema A Murthy
{"title":"Linear prediction on Cent scale for fundamental frequency analysis.","authors":"R Gowriprasad, T Anand, Rangarajan Aravind, Hema A Murthy","doi":"10.1121/10.0034516","DOIUrl":"https://doi.org/10.1121/10.0034516","url":null,"abstract":"<p><p>Understanding the fundamental frequency and harmonic content of audio signals is crucial for many applications in music analysis, including music transcription, audio synthesis, and genre identification. This study formulates a signal processing approach combining Linear Prediction (LP) analysis and the Cent scale to accurately characterize the pitch and harmonic structure of the audio signals. Pitch tracking on the LP spectrum in the Cent scale provides more accurate and reliable pitch estimation, especially in the presence of noise or overlapping harmonics. The Cent scale aligns the harmonics of different notes more closely, making it easier to discern the correct pitch.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"4 12","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142775360","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 role of acoustic cues in the checked-unchecked tone merging of the Qixian Jin dialect. 齐县晋方言有调无调合并中声线索的作用。
IF 1.2
JASA express letters Pub Date : 2024-12-01 DOI: 10.1121/10.0034496
Kangdi Liu, Lei Liang, Quentin Zhen Qin
{"title":"The role of acoustic cues in the checked-unchecked tone merging of the Qixian Jin dialect.","authors":"Kangdi Liu, Lei Liang, Quentin Zhen Qin","doi":"10.1121/10.0034496","DOIUrl":"10.1121/10.0034496","url":null,"abstract":"<p><p>The weakening/loss of the stop coda in checked tone syllables (also known as \"Ru syllable opening\") may lead to a subsequent merger of tonal contrasts in Chinese. This study examined the role of acoustic cues in checked-unchecked tone merging in the Qixian Jin dialect by comparing three age groups. Results showed that duration served as a robust cue for the tonal contrast regardless of age, whereas glottalization did not. The F0 contour signaled the tone merging process with variations across age groups. The findings have implications for modeling complex F0 (falling-rising) contours to enable further cross-dialect comparisons from a phonetic perspective.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"4 12","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142808786","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
Stream segregation, musical abilities, and the development of speech perception in noise. 流隔离，音乐能力，以及在噪音中语言感知的发展。
IF 1.2
JASA express letters Pub Date : 2024-12-01 DOI: 10.1121/10.0034543
Elena Benocci, Axelle Calcus
{"title":"Stream segregation, musical abilities, and the development of speech perception in noise.","authors":"Elena Benocci, Axelle Calcus","doi":"10.1121/10.0034543","DOIUrl":"10.1121/10.0034543","url":null,"abstract":"<p><p>Nonlinguistic auditory abilities (e.g., stream segregation, musical perceptual abilities) are thought to contribute to speech perception in noise. How their development interacts with that of speech perception in noise remains unknown. Here, we aimed to (i) investigate the development of speech perception in noise and stream segregation and (ii) explore the relationship between musical abilities, stream segregation, and speech perception in noise throughout development. Our results confirmed the protracted developmental trajectory of both stream segregation and speech perception in noise. Importantly, they suggest that musical perceptual abilities indirectly contribute to speech perception in noise by means of improved stream segregation.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"4 12","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142787647","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
British version of the Iowa test of consonant perception. 英国版的爱荷华辅音知觉测验。
IF 1.2
JASA express letters Pub Date : 2024-12-01 DOI: 10.1121/10.0034738
Xiaoxuan Guo, Ester Benzaquén, Emma Holmes, Inyong Choi, Bob McMurray, Doris-Eva Bamiou, Joel I Berger, Timothy D Griffiths
{"title":"British version of the Iowa test of consonant perception.","authors":"Xiaoxuan Guo, Ester Benzaquén, Emma Holmes, Inyong Choi, Bob McMurray, Doris-Eva Bamiou, Joel I Berger, Timothy D Griffiths","doi":"10.1121/10.0034738","DOIUrl":"10.1121/10.0034738","url":null,"abstract":"<p><p>The Iowa Test of Consonant Perception is a single-word closed-set speech-in-noise test with well-balanced phonetic features. The current study aimed to establish a U.K. version of the test (ITCP-B) based on the Southern Standard British English. We conducted a validity test in two sessions with 46 participants. The ITCP-B demonstrated excellent test-retest reliability, cross-talker validity, and good convergent validity. These findings suggest that ITCP-B is a reliable measure of speech-in-noise perception. The test can be used to facilitate comparative or combined studies in the U.S. and U.K. All materials (application and scripts) to run the ITCP-B/ITCP are freely available online.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"4 12","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142883739","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 effects of language dominance on the L1 and L2 tone production of Mandarin-Cantonese bilinguals. 语言优势对国语-粤语双语者L1和L2声调产生的影响。
IF 1.2
JASA express letters Pub Date : 2024-12-01 DOI: 10.1121/10.0034497
Yue Zou, Yike Yang, Dong Han
{"title":"The effects of language dominance on the L1 and L2 tone production of Mandarin-Cantonese bilinguals.","authors":"Yue Zou, Yike Yang, Dong Han","doi":"10.1121/10.0034497","DOIUrl":"10.1121/10.0034497","url":null,"abstract":"<p><p>The present study investigated the effects of language dominance on the cross-linguistic influence in the first and second languages (L1 and L2) of lexical tone production by Mandarin-Cantonese late bilinguals. Although the participants were unable to retain their L1 tonal system or to fully acquire the L2 tonal system after long-term exposure to their L2, certain correlations emerged between language dominance and tone production in L1 and L2. These findings add to the existing literature on language dominance and support the general assumption that bilinguals' two languages interfere with each other.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"4 12","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142787670","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
Inter-speaker acoustic differences of sustained vowels at varied dysarthria severities for amyotrophic lateral sclerosis. 肌萎缩性侧索硬化症不同构音障碍严重程度下持续元音的说话人间声学差异。
IF 1.2
JASA express letters Pub Date : 2024-12-01 DOI: 10.1121/10.0034613
Tanuka Bhattacharjee, Seena Vengalil, Yamini Belur, Nalini Atchayaram, Prasanta Kumar Ghosh
{"title":"Inter-speaker acoustic differences of sustained vowels at varied dysarthria severities for amyotrophic lateral sclerosis.","authors":"Tanuka Bhattacharjee, Seena Vengalil, Yamini Belur, Nalini Atchayaram, Prasanta Kumar Ghosh","doi":"10.1121/10.0034613","DOIUrl":"10.1121/10.0034613","url":null,"abstract":"<p><p>We study inter-speaker acoustic differences during sustained vowel utterances at varied severities of Amyotrophic Lateral Sclerosis-induced dysarthria. Among source attributes, jitter and standard deviation of fundamental frequency exhibit enhanced inter-speaker differences among patients than healthy controls (HCs) at all severity levels. Though inter-speaker differences in vocal tract filter attributes at most severity levels are higher than those among HCs for close vowels /i/ and /u/, these are comparable with or lower than those among HCs for the relatively more open vowels /a/ and /o/. The differences typically increase with severity except for a few parameters for /a/ and /i/.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"4 12","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142831064","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
Estimation of peak dosage of kinetic acoustic measures from pressure measurements as derived from time-limited signal waveforms. 根据限时信号波形得出的压力测量结果，估算动力学声学测量的峰值剂量。
IF 1.2
JASA express letters Pub Date : 2024-12-01 DOI: 10.1121/10.0034611
Robert W Drinnan, Peter H Dahl, David R Dall'Osto
{"title":"Estimation of peak dosage of kinetic acoustic measures from pressure measurements as derived from time-limited signal waveforms.","authors":"Robert W Drinnan, Peter H Dahl, David R Dall'Osto","doi":"10.1121/10.0034611","DOIUrl":"https://doi.org/10.1121/10.0034611","url":null,"abstract":"<p><p>This study builds on Dahl, Bonnel, and Dall'Osto [J. Acoust. Soc. Am. 155(5), 3291-3301 (2024)] by empirically demonstrating the equivalence between peak kinematic values (acoustic displacement, velocity, acceleration) and peak dynamic values (pressure). Methods for estimating peak levels from pressure are developed and tested on signals from impulsive sources used in the Seabed Characterization Experiment (2022) and a towed narrow band sonar source from the Target and Reverberation Experiment (2013). The comparison between peak kinematic levels and peak pressure falls within the calibration uncertainty of the vector sensor. The analysis shows that, for typical monitoring scenarios, peak pressure measurements are sufficient to monitor peak kinematic dosages.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"4 12","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142831058","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
Group velocity dispersion curves estimation based on joint processing of sound pressure and vertical particle velocity. 基于声压和垂直颗粒速度联合处理的群速度频散曲线估算。
IF 1.2
JASA express letters Pub Date : 2024-12-01 DOI: 10.1121/10.0034610
Guangxue Zheng, Shengchun Piao, Yang Dong, Lijia Gong
{"title":"Group velocity dispersion curves estimation based on joint processing of sound pressure and vertical particle velocity.","authors":"Guangxue Zheng, Shengchun Piao, Yang Dong, Lijia Gong","doi":"10.1121/10.0034610","DOIUrl":"https://doi.org/10.1121/10.0034610","url":null,"abstract":"<p><p>It is difficult to separate and estimate the intersected group velocity dispersion curves for different normal modes when the frequency is lower than the cutoff frequency of water column. To address this issue, an estimation method based on the joint processing of sound pressure (P) and vertical particle velocity (Vz) is proposed in this paper. Theoretical analysis shows that the amplitudes of P and Vz corresponding to the nth normal mode exhibit a complementary relationship in the certain frequency band, providing a theoretical basis for the method. The feasibility of the method was verified using sea trial data.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"4 12","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142848621","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
An experimental study of underwater radiated noise from a small vessel with damaged and fouled propellers. 对一艘螺旋桨受损和结垢的小型船舶的水下辐射噪声进行实验研究。
IF 1.2
JASA express letters Pub Date : 2024-12-01 DOI: 10.1121/10.0034612
T A Smith, A Grech La Rosa, G Piggott, J A N Gaivota, S S McMorran
{"title":"An experimental study of underwater radiated noise from a small vessel with damaged and fouled propellers.","authors":"T A Smith, A Grech La Rosa, G Piggott, J A N Gaivota, S S McMorran","doi":"10.1121/10.0034612","DOIUrl":"https://doi.org/10.1121/10.0034612","url":null,"abstract":"<p><p>Damage and fouling to a marine propeller can alter underwater noise levels through numerous mechanisms, but there are very few studies where clean propellers are compared to those with realistic levels of damage or fouling. This study presents acoustic data combined with underwater camera footage for a vessel fitted with three propellers: clean, damaged, and fouled. The results show that the fouled propeller is quieter than the clean one due to it reducing the levels of tip vortex cavitation. This work highlights the need for further research into the role of fouling and damage on noise from marine vessels.</p>","PeriodicalId":73538,"journal":{"name":"JASA express letters","volume":"4 12","pages":""},"PeriodicalIF":1.2,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142803831","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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