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Acoustical Oceanography

Acoustical Oceanography Technical Committee of the Acoustical Society of America is concerned with the development and use of acoustical techniques to measure and understand the physical, biological, geological and chemical parameters and processes of the sea. Search for our articles in Acoustics Today…

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Animal BioAcoustics

ANIMAL BIOACOUSTICS is the study of sound production, processing and perception in non-human animals. It includes within its scope the following: animal communication and associated behaviors, sound production anatomy, analysis of animal generated sounds, auditory capacities and mechanisms of animals. It also includes the use of instrumental sonar for animal population assessment, identification, and behavior, as well as the effects of human-made noise on animals.

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Architectural Acoustics

The Technical Committee on Architectural Acoustics encompasses the following areas of interest as applied to spaces in and around buildings: Airborne and structure-borne noise control, Noise control of building systems, Electroacoustics systems as well as Psychophysics and psychoacoustics. Search for our articles in Acoustics Today…

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Biomedical Acoustics

The Biomedical Acoustics TC is concerned with study of the interactions of acoustic waves with biological materials, including cells, tissues, organ systems & entire organisms. Interest areas include: Diagnostic and therapeutic applications of acoustics in medicine, Biological effects of exposure to mechanical vibration and acoustic waves, Acoustic propagation in biological materials, Instrumentation, Ultrasound field calibration, exposimetry and dosimetry, Ultrasound contrast agents, Medical image & signal processing, Characterization & processing of biological materials, Physiological measurements.

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Engineering Acoustics

The Technical Committee on Engineering Acoustics is concerned with the evolution and improvement of acoustical techniques and apparatus, and with the promotion of new applications of acoustics for useful purposes. The areas of Transducers and arrays, Underwater acoustic systems, Acoustic instrumentation and monitoring, Applied sonics, promotion of useful effects, information gathering and transmission, Audio engineering, Acoustic holography, acoustic imaging and Acoustic signal processing are of particular interest.

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Musical Acoustics

The Technical Committee on Musical Acoustics of the Acoustical Society of America is concerned with the application of science and technology to the field of music including: Physics of musical sound production, Music perception and cognition as well as the Analysis and synthesis of musical sounds and composition. Search for our articles in Acoustics Today…

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Noise

The purpose of the Technical Committee on Noise is to increase and diffuse knowledge of noise generation and propagation, passive and active noise control, and the effects of noise. Activities of the Committee embrace the practical and theoretical aspects of noise, in its broadest definition, in all areas of acoustics. Specific interests include the following and similar topics: sound sources, source mechanisms, propagation, perception, prediction, measurement, evaluation, analysis, effects, regulation, mitigation, and legal aspects of noise. Search for our articles in Acoustics Today…

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Physical Acoustics

The physical acoustics technical committee is concerned with fundamental acoustic wave propagation phenomena, including transmission, reflection, refraction, interference, diffraction, scattering, absorption, dispersion of sound, and sonoluminescence as well as the use of acoustics to study physical properties of matter, and to produce changes in these properties. Search for our articles in Acoustics Today…

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Psychological & Physiological Acoustics

The Technical Committee on Psychological and Physiological Acoustics is concerned with psychological and physiological responses to sound in humans and other species including Perception and perceptual organization of simple and complex sounds, including speech, Anatomy and function of the auditory pathways, Hearing disorders, hearing loss, and auditory prostheses, Vibrotactile and vestibular sensation, Developmental, aging, learning and plasticity effects in auditory function and Theories and models of auditory processes. Search for our articles in Acoustics Today…

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Signal Processing in Acoustics

The Technical Committee on Signal Processing in Acoustics of the Acoustical Society of America focuses on the representation, transformation, and manipulation of signals and the information they contain including; time-frequency analysis, Fourier transforms, wavelet analysis, Kalman and particle filters, Bayesian signal processing, sparse approximations, time reversal as well as model-based processing. Search for our articles in Acoustics Today…

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Speech Communication

The Speech Communication Technical Committee of ASA studies the production, transmission, and perception of spoken language, including ; The acoustic, physiological, psychological, and linguistic phenomena related to the human speech process, Speech-transmission systems, Machine processing of speech, including speech analysis, synthesis and automatic recognition, The measurement and assessment of speech as to its intelligibility and its quality. Search for our articles in Acoustics Today…

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Structural Acoustics & Vibration

The Structural Acoustics & Vibration Technical Committee includes the study of motions and interactions of mechanical systems with their environments and the methods of their measurement, analysis, and control. Principal topics considered are: Responses of mechanical systems to dynamic excitations, Instrumentation and calibration techniques for measurement of shock and vibration, Resonances of structures, Damping and internal friction, Isolation of mechanical systems from shock and vibration, Mechanical impedance (mobility), Modal analysis, Simulation of environmental factors, Development and application of analytical techniques and Active control of structural acoustics and vibration. Search for our articles in Acoustics Today…

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Underwater Acoustics

The Technical Committee on Underwater Acoustics is concerned with both natural and anthropogenic sound and its generation underwater; and the propagation, reflection and scattering of sound in the underwater environment including the seabed and the sea surface.

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Arthur N. Popper, Editor

Summer Issue

I endeavor to have a diverse set of topics in each issue of Acoustics Today (AT) so that, over the course of a few issues, every member of the Acoustical Society of America (ASA) will find articles that relate to technical areas of interest to them as well as additional articles that will introduce them to new and interesting topics. In some ways, I have “failed” with this issue but in an interesting way. That is, there is less diversity but more interrelatedness in the articles than usual.

Three of the featured articles cover sound communication by animals. Gerald Pollack discusses sound production and detection in the largest and most diverse group of land animals—insects. Peter Tyack considers acoustic communication in the largest (in body mass, not number) marine animals—the cetaceans. And Joy Reidenberg provides fascinating insight into how vertebrates, and particularly marine mammals, produce sounds. All three articles are accompanied by multimedia.