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Relevant bibliographies by topics / Signal processing Sound-waves

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Academic literature on the topic 'Signal processing Sound-waves'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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Journal articles on the topic "Signal processing Sound-waves"

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Catarino das Neves Viegas, D., and S. R. Cunha. "Precise Positioning by Phase Processing of Sound Waves." IEEE Transactions on Signal Processing 55, no. 12 (2007): 5731–38. http://dx.doi.org/10.1109/tsp.2007.900166.

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Chang, Wesley, Robert Mohr, Andrew Kim, et al. "Measuring effective stiffness of Li-ion batteries via acoustic signal processing." Journal of Materials Chemistry A 8, no. 32 (2020): 16624–35. http://dx.doi.org/10.1039/d0ta05552b.

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Accurate signal processing of acoustic waves is utilized to measure the intrinsic material stiffness of a layered cell stack and explore relationships between battery displacement, sound speed and stiffness during high rate cycling.

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Zhao, Jiang, Meng Shang, and Jing Tian. "Feature Extraction of the Small Leakage Diagnosis of Oil Pipeline Based on Acoustic Signal." Applied Mechanics and Materials 511-512 (February 2014): 389–92. http://dx.doi.org/10.4028/www.scientific.net/amm.511-512.389.

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This paper introduces the related theory of sound waves , we collect the data through the acoustic wave sensors of the pipeline fault diagnosis system platform, decompose the signals to five layers by Mallat algorithm and wavelet function db4, compare the normal waves and leakage acoustic signal spectrum, and then get the power spectrum estimation for the decomposed signal at each level, we can see the signals energy feature in different frequency band. Feature extraction method based on wavelet transform can make the category of signal characteristics fully displayed in the different resoluti

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Putra A, I. Nengah, Nuri Nur Cahyono, Gesit Pratiknyo, and M. Sigit Purwanto. "DESIGN OF DETECTING ACOUSTIC WAVES AT THE EXERCISE SMART MINE USING ACOUSTIC SENSOR." JOURNAL ASRO 11, no. 2 (2020): 64. http://dx.doi.org/10.37875/asro.v11i2.270.

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The Indonesian Navy is a unit of defense of the Republic of Indonesia (NKRI). Sea mines are explosive devices placed in waters to destroy ships. Acoustics is a branch of physics that deals with all mechanical waves in liquids, gases and solids, such as vibration, sound and ultrasonic. Arduino has made microcontroller technology more accessible and easier for even novice users. Because of this, there are special functions in audio or acoustic processing techniques aimed at using Arduino. The application of acoustic signals in the military field of the Navy, in the identification of vessels caug

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B Shankar, B., and D. Jayadevappa. "Ensemble EMD based Time-Frequency Analysis of Continuous Adventitious Signal Processing." International Journal of Engineering & Technology 7, no. 4.10 (2018): 896. http://dx.doi.org/10.14419/ijet.v7i4.10.26783.

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The importance of lung sound analyses is increasing day by day very rapidly. In this paper, we present a new method for analysis of two classes of lung signals namely wheezes and crackles. The procedure used in this article is based on improved Empirical Mode Decomposition (EMD) called Ensemble Empirical Mode Decomposition (EEMD) to analyze and compare continuous and discontinuous adventitious sounds with EMD. These two proposed procedures decompose the lung signals into a set of instantaneous frequency components. Function (IMF). The continuous and discontinuous adventitious sounds are presen

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Popova, Nevena, Georgi Shishkov, Petia Koprinkova-Hristova, and Kiril Alexiev. "3D Visualization of Sound Fields Perceived by an Acoustic Camera." Cybernetics and Information Technologies 15, no. 7 (2015): 45–57. http://dx.doi.org/10.1515/cait-2015-0088.

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Abstract The paper summarizes the application results of a recently proposed neuro-fuzzy algorithm for multi-dimensional data clustering to 3-Dimensional (3D) visualization of dynamically perceived sound waves recorded by an acoustic camera. The main focus in the present work is on the developed signal processing algorithm adapted to the specificity of multidimensional data set recorded by the acoustic camera, as well as on the created software package for real-time visualization of the “observed” sound waves propagation.

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Chen, Zi Yu, and Xin Wei Zhang. "Design of Parametric Loudspeaker and Receiver System." Advanced Materials Research 909 (March 2014): 222–27. http://dx.doi.org/10.4028/www.scientific.net/amr.909.222.

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Parametric loudspeaker systems have been widely used for projecting highly directional audible sound to a specified area. However, the demodulated signal from parametric loudspeaker suffers from high distortion since the nonlinear interaction among primary waves also generate harmonics. In order to reduce distortion, signal acquisition and digital signal processing techniques can be applied at the receiver. In this paper, a parametric loudspeaker and receiver system is designed to reduce distortion using median filtering and mean filtering at the receiver. Compared to conventional systems, the

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Movahed, Ali, Thomas Waschkies, and Ute Rabe. "Air Ultrasonic Signal Localization with a Beamforming Microphone Array." Advances in Acoustics and Vibration 2019 (February 11, 2019): 1–12. http://dx.doi.org/10.1155/2019/7691645.

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Nondestructive testing methods are used to inspect and test materials and components for discontinuities or differences in mechanical characteristics. Phased array signal processing techniques have been widely used in different applications, but less research has been conducted on contactless nondestructive testing with passive arrays. This paper presents an application of beamforming techniques analysis using a passive synthetic microphone array to calculate the origin and intensity of sound waves in the ultrasonic frequency range. Acoustic cameras operating in the audible frequency range are

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Walliker, J. R., and A. J. Fourcin. "Signal-Processing Hearing Aids for the Totally and Profoundly Deaf." Annals of Otology, Rhinology & Laryngology 96, no. 1_suppl (1987): 74–76. http://dx.doi.org/10.1177/00034894870960s137.

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We have developed a family of single-channel signal-processing aids for the profoundly and totally deaf. Common to them all are the analysis of speech into the components most important to the deaf lipreader; the synthesis of stimuli which make the best use of the patient's sensory abilities; and facilities to ensure accurate matching of the aid to the patient. The totally deaf are electrically stimulated by electrodes on the promontory or on the round window of the cochlea using charge-balanced controlled current square waves automatically adjusted to be at a comfortable level. Many potential

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Kishida, Kinzo, Artur Guzik, Ken’ichi Nishiguchi, et al. "Development of Real-Time Time Gated Digital (TGD) OFDR Method and Its Performance Verification." Sensors 21, no. 14 (2021): 4865. http://dx.doi.org/10.3390/s21144865.

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Distributed acoustic sensing (DAS) in optical fibers detect dynamic strains or sound waves by measuring the phase or amplitude changes of the scattered light. This contrasts with other distributed (and more conventional) methods, such as distributed temperature (DTS) or strain (DSS), which measure quasi-static physical quantities, such as intensity spectrum of the scattered light. DAS is attracting considerable attention as it complements the conventional distributed measurements. To implement DAS in commercial applications, it is necessary to ensure a sufficiently high signal-noise ratio (SNR

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Dissertations / Theses on the topic "Signal processing Sound-waves"

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Ghent, Jeremy E. "A digital signal processing approach to analyze the effects of multiple reflections between highway noise barriers." Ohio : Ohio University, 2003. http://www.ohiolink.edu/etd/view.cgi?ohiou1175090494.

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Velmurugan, Rajbabu. "Implementation Strategies for Particle Filter based Target Tracking." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/14611.

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This thesis contributes new algorithms and implementations for particle filter-based target tracking. From an algorithmic perspective, modifications that improve a batch-based acoustic direction-of-arrival (DOA), multi-target, particle filter tracker are presented. The main improvements are reduced execution time and increased robustness to target maneuvers. The key feature of the batch-based tracker is an image template-matching approach that handles data association and clutter in measurements. The particle filter tracker is compared to an extended Kalman filter~(EKF) and a Laplacian filter

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Achdjian, Hossep. "Propriétés de moyennage d'ensemble des signaux acoustiques en milieu réverbérant et applications potentielles au contrôle et à la caractérisation des structures." Thesis, Valenciennes, 2014. http://www.theses.fr/2014VALE0030/document.

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La propagation des ondes acoustiques ou élastiques dans un milieu fini à faible atténuation se traduit par des signaux mesurés de longue durée (réverbération). Dans les techniques de contrôle non destructif et imagerie conventionnelles, seuls les premiers paquets d’ondes sont ordinairement exploités et l’information potentiellement contenue dans les codas de réverbération est alors perdue. Le travail présenté dans cette thèse a pour objectif d’exploiter le comportement d’ensemble des codas enregistrées dans des structures de type plaques, afin d’extraire le maximum d’information à partir d’un

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Wu, Lixue. "Novel acoustic arrays and array pattern synthesis methods." Thesis, 1992. https://dspace.library.uvic.ca//handle/1828/9590.

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Directional acoustic beams are used in diverse sonar systems. For efficient transmission of a sonar signal, the sound energy is projected in a narrow beam . For reduced interference in reception, the sound signal is received from a narrow spatial sector. Typically, such beams have associated sidelobes which adversely affect sonar performance. The goal of this thesis is to propose several novel acoustic arrays which are capable of generating desired search-light-type and fan-type beams with greatly reduced sidelobes. These novel acoustic arrays have fewer elements than conventional arra

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Books on the topic "Signal processing Sound-waves"

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Ziomek, Lawrence J. Fundamentals of acoustic field theory and space-time signal processing. CRC Press, 1995.

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Hans, Knutsson, ed. Signal processing for computer vision. Kluwer Academic Publishers, 1995.

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Ballesty, Darragh. Wideband music coding using CELP. University College Dublin, 1997.

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Wage, Kathleen E. Broadband modal coherence and beamforming at megameter ranges. Massachusetts Institute of Technology, 2000.

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3-D sound for virtual reality and multimedia. AP Professional, 1994.

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Begault, Durand R. 3-D sound for virtual reality and multimedia. National Aeronautics and Space Administration, Ames Research Center, 2000.

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Begault, Durand R. 3-D sound for virtual reality and multimedia. National Aeronautics and Space Administration, Ames Research Center, 2000.

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Begault, Durand R. 3-D sound for virtual reality and multimedia. National Aeronautics and Space Administration, Ames Research Center, 2000.

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E, Hershey J., ed. Hadamard matrix analysis and synthesis: With applications to communications and signal/image processing. Kluwer Academic Publishers, 1997.

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E, Dieulesaint, ed. Elastic waves in solids. Springer, 2000.

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Conference papers on the topic "Signal processing Sound-waves"

1

Aydogan, Hakan. "EEG response of different sound waves and frequencies." In 2016 24th Signal Processing and Communication Application Conference (SIU). IEEE, 2016. http://dx.doi.org/10.1109/siu.2016.7496212.

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Li, Tongxu, Xiaomin Zhang, and Yang Yu. "Sound speed and attenuation of plane acoustic waves in a sandy sediment." In 2013 IEEE International Conference on Signal Processing, Communications and Computing. IEEE, 2013. http://dx.doi.org/10.1109/icspcc.2013.6663963.

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Nakayama, Masato, Ryosuke Konabe, Takahiro Fukumori, and Takanobu Nishiura. "Near-sound-field propagation based on individual beam-steering for carrier and sideband waves with parametric array loudspeaker." In 2016 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA). IEEE, 2016. http://dx.doi.org/10.1109/apsipa.2016.7820759.

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Lo, K. W., and B. G. Ferguson. "Passive estimation of aircraft motion parameters using destructive interference between direct and ground-reflected sound waves." In 1999 Information, Decision and Control. Data and Information Fusion Symposium, Signal Processing and Communications Symposium and Decision and Control Symposium. Proceedings (Cat. No.99EX251). IEEE, 1999. http://dx.doi.org/10.1109/idc.1999.754147.

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Zou, Chengzhe, and Ryan L. Harne. "Folding Star-Shaped Acoustic Transducers for Real-Time Guidance of Radiated Acoustic Waves." In ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/detc2017-67286.

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Directed acoustic energy is used throughout medical practices, scientific research, and engineering applications. Conventionally, arrays of transducer constituents are assembled and driven with inputs that are determined by digital signal processing methods, which guides the acoustic waves for signal transmission and reception purposes. Beamforming is the term for this approach, although inherent limitations of stability and computational efficiency hinder the outcomes. Recent efforts have revealed the broad merits of folding origami-inspired acoustic array architectures so that the transducer

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Garcia-Hernandez, Augusto, and Shane Siebenaler. "Acoustic Leak Detection Technology Assessment." In 2012 9th International Pipeline Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ipc2012-90146.

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Leak detection systems are a vital part of a pipeline integrity management program. For liquid hydrocarbon pipelines, these leak detection systems can take the form of measuring conditions inside the pipeline (internal detection) or by use of hardware installed outside of the pipe (external detection). One internally-based technology is acoustic leak detection, sometimes known as rarefaction-wave monitoring. This technology is based on detecting transient pressure waves that are generated when a sudden leak occurs. Acoustic pressure waves travel in the pipeline at the speed of sound of the flu

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Pop, Petru A., Patricia A. Ungur, Liviu Lazar, and Florin M. Marcu. "Advanced Procedure Used for Determining the Absorption Coefficient of Sonic-Absorbent Materials." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63646.

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Solving the acoustical problem and improving the impact indoor environmental quality represents a priority for many researchers and manufacturers of materials with a high noise reduction of coefficient rating. The paper presents a real solution for determination the sound-absorption coefficient of materials with acoustical properties from the gypsum family. The procedure used for test is standing wave method into a Kundt tube. The experiment setup used a complex installation of a Kundt tube containing a loudspeaker for emitting the sound waves at a well-defined frequency by a first PC, a micro

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