Acoustics Australia最新文献

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IF 1.8 4区物理与天体物理

Acoustics Australia Pub Date : 2025-08-14 DOI: 10.1007/s40857-025-00356-0

引用次数: 0

Assessment of Urban Quiet Areas in the Context of Nature-Based Solutions: Istanbul Historical Peninsula Example 基于自然的解决方案背景下的城市安静区评估：伊斯坦布尔历史半岛的例子

IF 1.8 4区物理与天体物理

Acoustics Australia Pub Date : 2025-07-01 DOI: 10.1007/s40857-025-00353-3

Gülşen Akın Güler, Aslı Özçevik Bilen

{"title":"Assessment of Urban Quiet Areas in the Context of Nature-Based Solutions: Istanbul Historical Peninsula Example","authors":"Gülşen Akın Güler, Aslı Özçevik Bilen","doi":"10.1007/s40857-025-00353-3","DOIUrl":"10.1007/s40857-025-00353-3","url":null,"abstract":"<div><p>It has been emphasised in previous studies that the definition of quiet areas, which are specified as areas to be identified and protected in the Environmental Noise Directive (END) in force for European Member States, cannot be reduced to ‘the area below certain limit values for certain noise indicator values’ and the positive effects of the presence of natural elements such as natural sounds, plants and aquatic environment on the perception of quiet areas. Therefore, this soundscape study examines not only the levels of sound, but also how sound sources, the acoustic environment, auditory perception, and personal interpretation interact in shaping our experience of a sound environment. This study investigates the potential of quiet areas to be included within the scope of nature-based solutions (NBS) through the example of Istanbul Historic Peninsula. In this study, data were collected from selected urban open and green spaces within the Istanbul Historic Peninsula through noise mapping, in situ sound recordings, and questionnaire-based surveys, all conducted in accordance with established soundscape standards. The collected data were analysed to explore the relationships between the sound environment and various physical environmental factors that influence the perception of quietness in urban settings. These relationships were further evaluated within the framework of nature-based solutions (NBS) strategies, with a particular focus on how such quiet areas can contribute to urban greening practices. Finally, the study discusses how insights gained from the soundscape analysis can inform space planning and design in urban contexts, emphasising the integration of acoustic quality in green infrastructure planning.</p></div>","PeriodicalId":54355,"journal":{"name":"Acoustics Australia","volume":"53 2","pages":"269 - 284"},"PeriodicalIF":1.8,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40857-025-00353-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144934668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Reducing Tonal Noise of Contra-Rotating Unmanned Aerial System Rotors via Blade Rake Angle Adjustment 通过调整叶片前倾角降低对转无人机系统旋翼的噪声

IF 1.8 4区物理与天体物理

Acoustics Australia Pub Date : 2025-05-31 DOI: 10.1007/s40857-025-00352-4

Riul Jung, Carlos Ramos-Romero, Michael J. Kingan, Deepak Akiwate, Antonio J. Torija

{"title":"Reducing Tonal Noise of Contra-Rotating Unmanned Aerial System Rotors via Blade Rake Angle Adjustment","authors":"Riul Jung, Carlos Ramos-Romero, Michael J. Kingan, Deepak Akiwate, Antonio J. Torija","doi":"10.1007/s40857-025-00352-4","DOIUrl":"10.1007/s40857-025-00352-4","url":null,"abstract":"<div><p>This paper investigates the effect of blade rake angle on the tonal noise produced by contra-rotating rotor systems suitable for use on small multi-rotor unmanned aerial systems (UAS). This investigation utilises semi-analytical, numerical, and experimental methods to investigate the physics of the noise generation mechanisms, generated noise levels and the psychoacoustic characteristics of this noise. Computational fluid dynamics (CFD) simulations and semi-analytical models are employed to predict the periodic unsteady loading on the rotor blades, and the loading data are used to predict the radiated noise for rotor systems with different blade rake angles. Experimental measurements of the noise produced by a rotor system with no blade rake angle were used as a baseline case, and predictions were used to synthesise and auralise the sound produced by rotor systems with different rake angles for psychoacoustic analysis. The results show that increasing the blade rake angle generally reduces the amplitude of prominent interaction tones due to the reduction in the unsteady loading along the blade span caused by bound potential field interactions as the blade rake angle increases. This causes a reduction in the perceived tonal noise level.</p></div>","PeriodicalId":54355,"journal":{"name":"Acoustics Australia","volume":"53 2","pages":"201 - 222"},"PeriodicalIF":1.8,"publicationDate":"2025-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40857-025-00352-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144934669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

News Item 新闻

IF 1.8 4区物理与天体物理

Acoustics Australia Pub Date : 2025-05-08 DOI: 10.1007/s40857-025-00351-5

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Correction to: Statistical Energy Analysis of Membrane-Type Acoustic Metamaterials in Double-Wall Arrangements 修正：双壁布置中膜型声学超材料的统计能量分析

IF 1.8 4区物理与天体物理

Acoustics Australia Pub Date : 2025-04-23 DOI: 10.1007/s40857-024-00341-z

César Abraham Luna Estrada, Alejandro Cuauhtémoc Ramírez Reivich

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Robust Classification of Urban Sounds in Noisy Environments: A Novel Approach Using SPWVD-MFCC and Dual-Stream Classifier 基于SPWVD-MFCC和双流分类器的噪声环境下城市声音鲁棒分类方法

IF 1.8 4区物理与天体物理

Acoustics Australia Pub Date : 2025-03-24 DOI: 10.1007/s40857-025-00350-6

Bo Peng, Kevin I-Kai Wang, Waleed H. Abdulla

{"title":"Robust Classification of Urban Sounds in Noisy Environments: A Novel Approach Using SPWVD-MFCC and Dual-Stream Classifier","authors":"Bo Peng, Kevin I-Kai Wang, Waleed H. Abdulla","doi":"10.1007/s40857-025-00350-6","DOIUrl":"10.1007/s40857-025-00350-6","url":null,"abstract":"<div><p>Urban sound classification is essential for effective sound monitoring and mitigation strategies, which are critical to addressing the negative impacts of noise pollution on public health. While existing methods predominantly rely on Short-Term Fourier Transform (STFT)-based features like Mel-Frequency Cepstral Coefficients (MFCC), these approaches often struggle to identify the dominant sound in noisy environments. This gap in robustness limits the practical deployment of such systems in real-world urban settings, where noise levels are unpredictable and variable. Here, we introduce Smoothed Pseudo-Wigner–Ville Distribution-based MFCC (SPWVD-MFCC), a novel feature that merges SPWVD’s high time–frequency resolution with MFCC’s human-like auditory sensitivity. We further propose a dual-stream ResNet50-CNN-LSTM architecture to classify these features. Comprehensive experiments conducted on UrbanSound8K, UrbanSoundPlus, and DCASE2016 datasets demonstrate that the proposed SPWVD-MFCC significantly improves classification accuracy in noisy conditions, with an enhancement of up to 37.2% over traditional STFT-based methods and better robustness than existing approaches. These results indicate that the proposed approach addresses a critical gap in urban sound classification by providing enhanced robustness in low-SNR environments. This advancement improves the reliability of urban noise monitoring systems and contributes to the broader goal of creating healthier urban living environments by enabling more effective noise-control strategies.</p></div>","PeriodicalId":54355,"journal":{"name":"Acoustics Australia","volume":"53 2","pages":"253 - 268"},"PeriodicalIF":1.8,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40857-025-00350-6.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144934666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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A High Precision Direction-Finding Algorithm for Low-Noise Target Based on Single Vector Hydrophone 基于单矢量水听器的低噪声目标高精度测向算法

IF 1.8 4区物理与天体物理

Acoustics Australia Pub Date : 2025-03-04 DOI: 10.1007/s40857-025-00347-1

Chao Wang, Qi Zhang, Yanhou Zhang, Meng Yuan, Qiang Li

{"title":"A High Precision Direction-Finding Algorithm for Low-Noise Target Based on Single Vector Hydrophone","authors":"Chao Wang, Qi Zhang, Yanhou Zhang, Meng Yuan, Qiang Li","doi":"10.1007/s40857-025-00347-1","DOIUrl":"10.1007/s40857-025-00347-1","url":null,"abstract":"<div><p>Given the energy and size constraints of small and micro underwater unmanned platforms, along with the limited space gain available for acoustic systems and the challenge of detecting low-noise targets autonomously, this study introduces an improved histogram algorithm that relies on a single vector hydrophone. Additionally, a novel azimuth-based constant false alarm rate target autonomous detection method is developed to enhance the performance of target direction-finding and autonomous detection in scenarios characterized by low signal-to-noise ratio (SNR). Simulation results demonstrate that the modified histogram algorithm exhibits a narrower beamwidth and improved direction-finding accuracy. The SNR of −10 dB corresponds to a −3 dB beamwidth of 14° and direction-finding errors of 2.3°. Achieving a target autonomous detection probability of 100% simply requires an SNR of −16 dB. Experimental results in an anechoic pool show that the ameliorative histogram algorithm can effectively perform direction-finding and independent detection of sound sources at an SNR of −13 dB, with an average direction-finding error of approximately 4.8°. Sea testing data processing indicates that the improved histogram algorithm outperforms its predecessor in target direction-finding performance and enhances detection distance by approximately 2 times, validating the efficacy of the enhancement.</p></div>","PeriodicalId":54355,"journal":{"name":"Acoustics Australia","volume":"53 2","pages":"223 - 240"},"PeriodicalIF":1.8,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144934667","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Band Tones: Auditory Stream Segregation with Alternating Frequency Bands 频带音调：交替频带的听觉流分离

IF 1.8 4区物理与天体物理

Acoustics Australia Pub Date : 2025-03-04 DOI: 10.1007/s40857-025-00348-0

Geng-Yan Jhang, Kazuo Ueda, Hiroshige Takeichi, Gerard B. Remijn, Emi Hasuo

{"title":"Band Tones: Auditory Stream Segregation with Alternating Frequency Bands","authors":"Geng-Yan Jhang, Kazuo Ueda, Hiroshige Takeichi, Gerard B. Remijn, Emi Hasuo","doi":"10.1007/s40857-025-00348-0","DOIUrl":"10.1007/s40857-025-00348-0","url":null,"abstract":"<div><p>An alternating tone sequence may be perceptually integrated into one stream or segregated into two streams based on pitch and timbre differences between the tones (<i>sequential stream segregation</i>). However, the effect of the spectral dispersion of harmonic complex tones on sequential stream segregation has been largely unexplored. We introduced <i>band tones</i> that were harmonic complex tones divided into several frequency bands, in which frequency components in every other frequency band were removed. Here, we show that segregation was reported more often with fewer frequency bands and larger separation in fundamental frequency. Listeners generally responded to 2–8-band stimuli as segregated most of the time. However, the percentages of segregation responses for 16-band stimuli were generally dominated by fundamental frequency separations and whether the movements of fundamental frequencies and band-like spectral patterns were congruent or incongruent. The results suggest that the auditory system cannot organize rapidly alternating frequency component blocks spanning a wide frequency range into one stream.</p></div>","PeriodicalId":54355,"journal":{"name":"Acoustics Australia","volume":"53 2","pages":"241 - 251"},"PeriodicalIF":1.8,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40857-025-00348-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144934665","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Impact of Face Mask Wearing on Vowel Production 戴口罩对元音产生的影响

IF 1.8 4区物理与天体物理

Acoustics Australia Pub Date : 2025-02-22 DOI: 10.1007/s40857-025-00349-z

Feiyun Jiang, Yang Chen, Manwa L. Ng

{"title":"Impact of Face Mask Wearing on Vowel Production","authors":"Feiyun Jiang, Yang Chen, Manwa L. Ng","doi":"10.1007/s40857-025-00349-z","DOIUrl":"10.1007/s40857-025-00349-z","url":null,"abstract":"<div><p>In the post-COVID era, face masks have become a part of our daily lives. However, the effects of these masks on Mandarin speech production remain unclear. This study aimed to address this research gap by conducting a comprehensive investigation of the impact of surgical face masks on vowel production. Vowels produced in a continuous speech context were recorded for 61 native Mandarin-speaking adults, both with and without wearing a face mask. The acoustic parameters associated with three corner vowels /<i>i</i>/, /<i>a</i>/, and /<i>u</i>/ in Mandarin were measured. Significant changes were observed in the acoustic parameters under the masked condition, including an increase in F0 and a decrease in both F1 and F2 of vowel /<i>a</i>/, as well as tVSA, F1RR, and F2RR. However, no significant changes were found in duration and FCR. The patterns exhibited similarities between male and female speakers. The observed differences in vowel production can be attributed to the acoustic and physical consequences of wearing face masks. These differences, which may indirectly lead to reduced speech intelligibility, highlight the necessity of adopting adaptive strategies when face masks are present in various communication settings.</p></div>","PeriodicalId":54355,"journal":{"name":"Acoustics Australia","volume":"53 1","pages":"127 - 137"},"PeriodicalIF":1.8,"publicationDate":"2025-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40857-025-00349-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145167479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Impedance Tube Solution for Helmholtz Resonator Prototyping 亥姆霍兹谐振器原型的阻抗管解决方案

IF 1.8 4区物理与天体物理

Acoustics Australia Pub Date : 2025-01-21 DOI: 10.1007/s40857-024-00342-y

David Jun, Josef Plasek

引用次数: 0