Electroacoustic Devices Microphones And Loudspeakers
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Electroacoustic Devices: Microphones and Loudspeakers by Glen Ballou Pdf
This is the definitive reference for microphones and loudspeakers, your one-stop reference covering in great detail all you could want and need to know about electroacoustics devises (microphones and loudspeakers). Covering both the technology and the practical set up and placement this guide explores and bridges the link between experience and the technology, giving you a better understanding of the tools to use and why, leading to greatly improved results.
This is the definitive reference for microphones and loudspeakers, your one-stop reference covering in great detail all you could want and need to know about electroacoustics devises (microphones and loudspeakers). Covering both the technology and the practical set up and placement this guide explores and bridges the link between experience and the technology, giving you a better understanding of the tools to use and why, leading to greatly improved results.
Electroacoustic devices such as microphones and loudspeakers are used everywhere from cars and mobile phones to homes, places of worship, and sports arenas. They are a key part of the modern communication society, helping to transmit information to our ears. A contemporary introduction to the subject, Electroacoustics explains the scientific and engineering principles behind the design of these sound transducers. It also examines the compromises that are necessary when designing transducers for use in the real world. Learn about Ultrasonic Transducers, Loudspeaker Enclosure Design, and More This accessible textbook book is based on the author’s extensive experience teaching electroacoustics to advanced graduate and graduate students. He uses the concept of electrical circuit analogies to help readers quickly grasp the fundamentals of acoustical and mechanical systems. The book covers both traditional electrodynamic audio and ultrasonic transducers and includes up-to-date material on arrays, planar transducers, loudspeaker enclosure design, and more. To meet the needs of a broad range of readers, the book also includes background material on room acoustics, electrical circuits, and electrical filters. Electroacoustic theory is explained in an easy-to-read style without resorting to matrix theory. Throughout, a wealth of illustrations and exercises make the ideas more concrete. Get a Solid Foundation in Electroacoustic Engineering Principles The book emphasizes multidisciplinary engineering principles, preparing students for the broad range of applications they may encounter in their research as well as later in their careers. The modern treatment of transducers also makes this a valuable reference for transducer designers, acoustical consultants, hobbyists, and anyone involved in electroacoustic design.
Acoustics and Audio Technology by Mendel Kleiner Pdf
Acoustics and Audio Technology, Third Edition, is an introductory text for students of sound and vibration as well as electrical and electronic engineering, civil and mechanical engineering, computer science, signals and systems, and engineering physics. A basic knowledge of basic engineering mathematics and physics is assumed. Problems are included at the end of the chapters and a solutions manual is available to instructors. This classroom-tested book covers the physical background to and mathematical treatment of sound propagation, the properties of human hearing, the generation and radiation of sound as well as noise control, and the technologies used for pickup, recording, and reproduction of sound in various environments, and much more. Key Features: --Presents a basic short course on acoustics, fundamental equations, and sound propagation --Discusses the principles of architectural acoustics, techniques for adjusting room acoustics, and various types of sound absorbers --Offers an overview of the acoustical, mechanical, and electrical properties of loudspeakers and microphones, which are important transducers --Provides an overview of the properties of hearing and voice --Includes end-of-chapter problems and solutions available to instructors as WAV material
Composers and sound artists have explored for decades how to transform microphones and loudspeakers from “inaudible” technology into genuinely new musical instruments. While the sound reproduction industry had claimed perfect high fidelity already at the beginning of the twentieth century, these artists found surprising ways of use – for instance tweaking microphones, swinging loudspeakers furiously around, ditching microphones in all kinds of vessels, or strapping loudspeakers to body parts of the audience. Between air and electricity traces their quest and sets forward a new theoretical framework, providing historic background on technological and artistic development, and diagrams of concert and performance set-ups. From popular noise musician Merzbow to minimalist classic Alvin Lucier, cult instrument inventor Hugh Davies, or contemporary visual artist Lynn Pook – they all aimed to make audible what was supposed to remain silent. www.microphonesandloudspeakers.com
Introduction to Sound System Design and Electro-Acoustics by Peter Swarte Pdf
This book is intended for those who are active with sound amplification and sound distribution. The book provides information on adapting sound systems and/or transducer to the given acoustics like in open, half-open and closed spaces. An important aspect is how loudspeakers can be adapted to cover all types of surroundings. Very often a choice has to be made from a wide range of loudspeakers. On the other hand a combination of loudspeakers must be developed and composed in order to adapt the loudspeakers to the given acoustical circumstances. The question of which loudspeaker is the correct choice and how they need to be set-up so that speech and music are fully comprehensible in all kinds of acoustical and noisy circumstances. This book gives a full answer to these questions. The reader is also made aware of the design of loudspeakers on the basis of Small and Thiele parameters. With thorough calculations and the visibility of the out coming of these calculations by simple software it is possible to convert the acoustic and mechanical elements of the loudspeaker into electrical analogues so that the loudspeaker is simulated on the PC. Using an example the calculations mentioned above can be supported. Finally the full reference list simplifies the task of the reader in finding the information they require. “I’ve been fascinated by the possibilities of Electro-acoustics since I was 10 years old and now I am very pleased to be able to share the knowledge that I built up over 40 years working in the Electro-acoustics division of Philips.” My work experience was supplemented by giving lectures on electro-acoustics at the post-academic courses on acoustics in Antwerp (Belgium)
Communication Acoustics by Ville Pulkki,Matti Karjalainen Pdf
In communication acoustics, the communication channel consists of a sound source, a channel (acoustic and/or electric) and finally the receiver: the human auditory system, a complex and intricate system that shapes the way sound is heard. Thus, when developing techniques in communication acoustics, such as in speech, audio and aided hearing, it is important to understand the time–frequency–space resolution of hearing. This book facilitates the reader’s understanding and development of speech and audio techniques based on our knowledge of the auditory perceptual mechanisms by introducing the physical, signal-processing and psychophysical background to communication acoustics. It then provides a detailed explanation of sound technologies where a human listener is involved, including audio and speech techniques, sound quality measurement, hearing aids and audiology. Key features: Explains perceptually-based audio: the authors take a detailed but accessible engineering perspective on sound and hearing with a focus on the human place in the audio communications signal chain, from psychoacoustics and audiology to optimizing digital signal processing for human listening. Presents a wide overview of speech, from the human production of speech sounds and basics of phonetics to major speech technologies, recognition and synthesis of speech and methods for speech quality evaluation. Includes MATLAB examples that serve as an excellent basis for the reader’s own investigations into communication acoustics interaction schemes which intuitively combine touch, vision and voice for lifelike interactions.
Providing vital reading for audio students and trainee engineers, Sound and Recording is the essential guide for anyone who wants a solid grounding in both theory and industry practices in audio, sound, and recording. This updated and comprehensively restructured edition includes new content on DAW configuration, effects processing, 3D/immersive audio systems, object-based audio, and VR audio technology. This bestselling book introduces you to the principles of sound, perception, audio technology, and systems. Sound and Recording is the ideal audio engineering text for students, an accessible reference for professionals, and a comprehensive introduction for hobbyists.
The Audio Dictionary by Glenn D. White,Gary J. Louie Pdf
The Audio Dictionary is a comprehensive resource, including historical, obsolete, and obscure as well as contemporary terms relating to diverse aspects of audio such as film and TV sound, recording, Hi-Fi, and acoustics. The Third Edition includes four hundred new entries, such as AAC (advanced audio coding), lip synch, metadata, MP3, and satellite radio. Every term from previous editions has been reconsidered and often rewritten. Guest entries are by Dennis Bohn, cofounder and head of research and development at Rane Corporation, and film sound expert Larry Blake, whose credits include Erin Brockovich and Ocean's Eleven. The appendixes--tutorials that gather a lifetime's worth of experience in acoustics--include both new and greatly expanded articles.
Electroacoustical Reference Data by John Eargle Pdf
The need for a general collection of electroacoustical reference and design data in graphical form has been felt by acousticians and engineers for some time. This type of data can otherwise only be found in a collection of handbooks. Therefore, it is the author's intention that this book serve as a single source for many electroacoustical reference and system design requirements. In form, the volume closely resembles Frank Massa's Acoustic Design Charts, a handy book dating from 1942 that has long been out of print. The basic format of Massa's book has been followed here: For each entry, graphical data are presented on the right page, while text, examples, and refer ences appear on the left page. In this manner, the user can solve a given problem without thumbing from one page to the next. All graphs and charts have been scaled for ease in data entry and reading. The book is divided into the following sections: A. General Acoustical Relationships. This section covers the behavior of sound transmis sion in reverberant and free fields, sound absorption and diffraction, and directional characteris tics of basic sound radiators. B. Loudspeakers. Loudspeakers are discussed in terms of basic relationships regarding cone excursion, sensitivity, efficiency, and directivity index, power ratings, and architectural layout. c. Microphones. The topics in this section include microphone sensitivity and noise rating, analysis of directional properties, stereo microphone array characteristics, proximity effects, and boundary conditions. D. Signal Transmission.
Testing Hearing by Viktoria Tkaczyk,Mara Mills,Alexandra Hui Pdf
Testing Hearing: The Making of Modern Aurality argues that the modern cultural practices of hearing and testing have emerged from a long interrelationship. Since the early nineteenth century, auditory test tools (whether organ pipes or electronic tone generators) and the results of hearing tests have fed back into instrument calibration, human training, architecture, and the creation of new musical sounds. Hearing tests received a further boost around 1900 as a result of injury compensation laws and state and professional demands for aptitude testing in schools, conservatories, the military, and other fields. Applied at large scale, tests of seemingly small measure-of auditory acuity, of hearing range-helped redefine the modern concept of hearing as such. During the twentieth and twenty-first centuries, the epistemic function of hearing expanded. Hearing took on the dual role of test object and test instrument; in the latter case, human hearing became a gauge by which to evaluate or regulate materials, nonhuman organisms, equipment, and technological systems. This book considers both the testing of hearing and testing with hearing to explore the co-creation of modern epistemic and auditory cultures. The book's twelve contributors trace the design of ever more specific tests for the arts, education and communication, colonial and military applications, sociopolitical and industrial endeavors. Together, they demonstrate that testing as such became an enduring and wide-ranging cultural technique in the modern period, one that is situated between histories of scientific experimentation and many fields of application.
Introduction to Intelligent Robot System Design by Gang Peng,Tin Lun LAM,Chunxu Hu,Yu Yao,Jintao Liu,Fan Yang Pdf
This book introduces readers to the principles and practical applications of intelligent robot system with robot operating system (ROS), pursuing a task-oriented and hands-on approach. Taking the conception, design, implementation, and operation of robot application systems as a typical project, and through “learning-by-doing, practicing-while-learning” approach, it familiarizes readers with ROS-based intelligent robot system design and development step by step. The topics covered include ROS principles, mobile robot control, Lidar, simultaneous localization and mapping (SLAM), navigation, manipulator control, image recognition, vision calibration, object grasping, vision SALM, etc., with typical practical application tasks throughout the book, which are essential to mastering development methods for intelligent robot system. Easy to follow and rich in content, the book can be used at colleges and universities as learning material and a teaching reference book for “intelligent robot,” “autonomous intelligent system,” “robotics principles,” and “robot system application development with ROS” in connection with automation, robotics engineering, artificial intelligence (AI), mechatronics, and other related majors. The book can assist in mastering the development and design of robot systems and provide the necessary theoretical and practical references to cultivate robot system development capabilities and can be used as teaching material for engineering training and competitions, or for reference, self-study, and training by engineering and technical personnel, teachers, and anyone who wants to engage in intelligent robot system development and design.
