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Author :
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (928 download)
Download or read book ISO 3382-1 written by and published by . This book was released on 2009 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ISO DIS 3382-1 written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Francesco Aletta
Publisher : Frontiers Media SA
ISBN 13 : 2889712575
Total Pages : 225 pages
Book Rating : 4.8/5 (897 download)
Download or read book Human Perception of Environmental Sounds written by Francesco Aletta and published by Frontiers Media SA. This book was released on 2021-09-02 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dariusz Pleban
Publisher : CRC Press
ISBN 13 : 1000097196
Total Pages : 241 pages
Book Rating : 4.0/5 ( download)
Download or read book Occupational Noise and Workplace Acoustics written by Dariusz Pleban and published by CRC Press. This book was released on 2020-09-02 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern noise research and assessment techniques are commonly used in the workplace and our personal living environment. Occupational Noise and Workplace Acoustics presents new, innovative, advanced research and evaluation methods of parameters characterizing acoustic field and noise in the working environment, as well as acoustic properties of rooms and noise reduction measures. This includes acoustic field visualization methods, field imaging techniques, wireless sensor networks, and the Internet of Things (IoT); optimization methods using genetic algorithms; acoustic quality assessment methods for rooms; and methods for measuring ultrasonic noise in the frequency range of 10-40 kHz. This book is a valuable resource for individuals and students interested in the areas of acoustic and sound engineering as it provides: The latest techniques and methods in the field of noise reduction and improvement of acoustic comfort, Innovative and advanced acoustic field visualization techniques for those with an auditory impairment, Explains noise reduction through proper workplace design, Discusses use of wireless sensor networks and the IoT for monitoring noise, and Provides acoustic quality assessment methods. "The authors’ intention to expound on advanced issues in a lucid and accessible way was rewarded with success. In the book, an expert will find a number of hints helpful in solving actual problems, whereas a layperson will be able to form a view on challenges facing contemporary technology. What should also be emphasized is the book’s soundness in documenting these advanced theses and postulates with diligently conducted empirical research. Despite a wide thematic range, the book is written consistently and under no circumstances can be considered a collection of randomly selected problems. The content corresponds fully to the title. The authors are consistent in acquainting the reader with topical scientific issues concerning assessment of acoustic hazards and the methodology of combating them." —Professor Zbigniew Dąbrowski, BEng, PhD, DSc, Warsaw University of Technology
Author : Selma Kurra
Publisher : John Wiley & Sons
ISBN 13 : 1118887409
Total Pages : 858 pages
Book Rating : 4.1/5 (188 download)
Download or read book Environmental Noise and Management written by Selma Kurra and published by John Wiley & Sons. This book was released on 2020-11-09 with total page 858 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental Noise and Management Selma Kurra, Istanbul Technical University and dBKES Engineering Ltd, Turkey A comprehensive overview of environmental noise pollution from the standpoint of environmental impact and control Environmental noise is studied, regulated and monitored by many governments and institutions, as well as forming the basis for a number of different occupations due to the adverse effects of noise exposure. Environmental Noise and Management provides a comprehensive overview of environmental noise pollution. The book begins by covering the fundamentals of noise and acoustics, major noise sources and prediction and evaluation techniques. Developments in noise measuring techniques, and mapping and improvement of legislation to control noise pollution are then discussed, and international regulations are presented. Technological advances and recent developments regarding strategy and action plans are also covered in depth. Key features: Summarizes the relevant international standards covering noise pollution and environmental engineering practice. Presents technological advances and recent developments regarding strategy and action plans. Covers developments in noise measuring techniques, prediction models, mapping and improvement of legislation to control noise pollution. Environmental Noise and Management is a comprehensive resource for researchers and graduate students who are involved in noise pollution from the standpoint of environmental impact and control.
Author : Douglas Frey
Publisher : Springer Nature
ISBN 13 : 3031025652
Total Pages : 102 pages
Book Rating : 4.0/5 (31 download)
Download or read book Acoustical Impulse Response Functions of Music Performance Halls written by Douglas Frey and published by Springer Nature. This book was released on 2022-05-31 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: Digital measurement of the analog acoustical parameters of a music performance hall is difficult. The aim of such work is to create a digital acoustical derivation that is an accurate numerical representation of the complex analog characteristics of the hall. The present study describes the exponential sine sweep (ESS) measurement process in the derivation of an acoustical impulse response function (AIRF) of three music performance halls in Canada. It examines specific difficulties of the process, such as preventing the external effects of the measurement transducers from corrupting the derivation, and provides solutions, such as the use of filtering techniques in order to remove such unwanted effects. In addition, the book presents a novel method of numerical verification through mean-squared error (MSE) analysis in order to determine how accurately the derived AIRF represents the acoustical behavior of the actual hall.
Author : Michel Biron
Publisher : William Andrew
ISBN 13 : 0702062871
Total Pages : 712 pages
Book Rating : 4.7/5 (2 download)
Download or read book Material Selection for Thermoplastic Parts written by Michel Biron and published by William Andrew. This book was released on 2015-09-02 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: As new applications are developed and plastics replace traditional materials in a widening spectrum of existing applications, the potential personal injury, property damage, financial and legal consequences of failure can be high. However, nearly half of plastics failure can be traced back to the original specification and selection of the material. This book gives engineers the data they need to make an informed decision about the materials they use in their products, imparting a thorough knowledge of the advantages and disadvantages of the various materials to choose from. The data also suggests other candidate materials which the reader may not have originally considered. More than 30,000 thermoplastics grades are grouped into circa. 300 subfamilies, within which over 20 properties are assessed. The abundance or scarcity of a material and its cost are also often important deciding factors. In this book, an economical overview of the plastics industry helps clarify the actual consumption and costs of thermoplastics including bioplastic, and the relationship of cost vs. performance is also examined for each thermoplastic subfamily. Immediate and long-term common properties are reviewed, including mechanical behavior, impact, thermal properties, and many more. Environmental considerations are also covered, including ease of recycling and sustainability. - Helps engineers to implement a systematic approach to material selection in their work - Includes more than 300 subfamilies of thermoplastic, and a wide range of properties including chemical resistance, thermal degradation, creep and UV resistance - Evaluates cost/performance relations and environmental considerations
Author : Ville Pulkki
Publisher : John Wiley & Sons
ISBN 13 : 111886655X
Total Pages : 454 pages
Book Rating : 4.1/5 (188 download)
Download or read book Communication Acoustics written by Ville Pulkki and published by John Wiley & Sons. This book was released on 2015-04-30 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Stefan Feistel
Publisher : Logos Verlag Berlin GmbH
ISBN 13 : 3832537104
Total Pages : 224 pages
Book Rating : 4.8/5 (325 download)
Download or read book Modeling the Radiation of Modern Sound Reinforcement Systems in High Resolution written by Stefan Feistel and published by Logos Verlag Berlin GmbH. This book was released on 2014 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Starting from physical theory, this work develops a novel framework for the acoustic simulation of sound radiation by loudspeakers and sound reinforcement systems. First, a theoretical foundation is derived for the accurate description of simple and multi-way loudspeakers using an advanced point-source ''CDPS'' model that incorporates phase data. The model's practical implementation is presented including measurement requirements and the GLL loudspeaker data format specification. In the second part, larger systems are analyzed such as line arrays where the receiver may be located in the near field of the source. It is shown that any extended line source can be modeled accurately after decomposition into smaller CDPS elements. The influence of production variation among elements of an array is investigated and shown to be small. The last part of this work deals with the consequences of fluctuating environmental conditions such as wind and temperature on the coherence of sound signals from multiple sources. A new theoretical model is developed that allows predicting the smooth transition from amplitude to power summation as a function of the statistical properties of the environmental parameters. A part of this work was distinguished with the AES Publications Award 2010. Parts of the proposed data format have been incorporated into the international AES56 standard.
Author : Robert Peters
Publisher : CRC Press
ISBN 13 : 0429894295
Total Pages : 467 pages
Book Rating : 4.4/5 (298 download)
Download or read book Uncertainty in Acoustics written by Robert Peters and published by CRC Press. This book was released on 2020-07-27 with total page 467 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guide to estimating uncertainties in the measurement, prediction and assessment of noise and vibration applies across environmental noise and vibration, occupational noise and vibration exposure, and building and architectural acoustics. The book collates information from the various Standards and from research, with explanation, examples and case studies. It enables estimation of uncertainty in the measurement and prediction of acoustic quantities, suitable for use in environmental impact and occupational exposure assessments. It is for acoustic consultants, mechanical and building service engineers, architect and building professionals and environmental health officers. Bob Peters worked for more than forty years in acoustics and noise control – teaching, research, consultancy. He was a principal acoustic consultant with Applied Acoustic Design, a senior research fellow at London South Bank University, and a tutor on Institute of Acoustics distance learning courses.
Author : Roman Scharrer
Publisher : Logos Verlag Berlin GmbH
ISBN 13 : 3832534539
Total Pages : 156 pages
Book Rating : 4.8/5 (325 download)
Download or read book Acoustic Field Analysis in Small Microphone Arrays written by Roman Scharrer and published by Logos Verlag Berlin GmbH. This book was released on 2013 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this work, the possibilities of an acoustic field analysis in small microphone arrays are investigated. With the increased use of mobile communication devices, such as smartphones and hearing aids, and the increase in the number of microphones in such devices, multi-channel signal processing has gained popularity. Apart from the definite signal processing, this thesis evaluates what information on the acoustic sound field and environment can be gained from the signal of such small microphone arrays. For this purpose, an innovative sound field classification was developed that determines the energies of the single sound field components. The method is based on spatial coherences of two or more acoustical. The method was successfully verified with a set of simulated and measured input signals. An adaptive automatic sensor mismatch compensation was created, which proved able to fully compensate any slow sensor drift after an initial training. Further, a new method for the blind estimation of the reverberation time based on the dependency of the coherence estimate on the evaluation parameters was proposed. The method determines the reverberation time of a room from the spatial coherence between two or more acoustic sensors.
Author : Claudio Guarnaccia
Publisher : MDPI
ISBN 13 : 3039282840
Total Pages : 584 pages
Book Rating : 4.0/5 (392 download)
Download or read book Modelling, Simulation and Data Analysis in Acoustical Problems written by Claudio Guarnaccia and published by MDPI. This book was released on 2020-06-23 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modelling and simulation in acoustics is currently gaining importance. In fact, with the development and improvement of innovative computational techniques and with the growing need for predictive models, an impressive boost has been observed in several research and application areas, such as noise control, indoor acoustics, and industrial applications. This led us to the proposal of a special issue about “Modelling, Simulation and Data Analysis in Acoustical Problems”, as we believe in the importance of these topics in modern acoustics’ studies. In total, 81 papers were submitted and 33 of them were published, with an acceptance rate of 37.5%. According to the number of papers submitted, it can be affirmed that this is a trending topic in the scientific and academic community and this special issue will try to provide a future reference for the research that will be developed in coming years.
Author : Rune Frederiksen
Publisher : Aarhus Universitetsforlag
ISBN 13 : 877219474X
Total Pages : 715 pages
Book Rating : 4.7/5 (721 download)
Download or read book The Ancient Theatre at Kalydon in Aitolia written by Rune Frederiksen and published by Aarhus Universitetsforlag. This book was released on 2023-08-24 with total page 715 pages. Available in PDF, EPUB and Kindle. Book excerpt: The theatre at Kalydon in Aitolia – known only since a few decades – has already attracted a lot of attention due to its square orchestra and rectilinear benches for seating. The Danish-Greek collaborative project responsible for investigating the theatre presents in this two-volume publication results of the excavation and documentation, including all finds such as tile, pottery, metals and coins, made during the excavations. The traditional analysis of the building is supplemented by an archaeoacoustic analysis comparing acoustic advantages and disadvantages between the square and semicircular design.
Author : Marc Asselineau
Publisher : CRC Press
ISBN 13 : 1466582472
Total Pages : 270 pages
Book Rating : 4.4/5 (665 download)
Download or read book Building Acoustics written by Marc Asselineau and published by CRC Press. This book was released on 2015-03-18 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Avoid Costly Mistakes for Specialists and Non-Specialists AlikeBad acoustics in buildings is a nuisance that is not dealt with easily. The problem applies just as much to open-plan offices and restaurants and to production facilities and transportation stations as it does to performance halls, not to mention homes. It does not merely affect oral co
Author : Jian Kang
Publisher : MDPI
ISBN 13 : 303842420X
Total Pages : 189 pages
Book Rating : 4.0/5 (384 download)
Download or read book Noise and Vibration Control in the Built Environment written by Jian Kang and published by MDPI. This book was released on 2018-03-23 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Noise and Vibration Control in the Built Environment" that was published in Applied Sciences
Author : Federico Miyara
Publisher : Springer
ISBN 13 : 3319558714
Total Pages : 438 pages
Book Rating : 4.3/5 (195 download)
Download or read book Software-Based Acoustical Measurements written by Federico Miyara and published by Springer. This book was released on 2017-05-26 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook provides a detailed introduction to the use of software in combination with simple and economical hardware (a sound level meter with calibrated AC output and a digital recording system) to obtain sophisticated measurements usually requiring expensive equipment. It emphasizes the use of free, open source, and multiplatform software. Many commercial acoustical measurement systems use software algorithms as an integral component; however the methods are not disclosed. This book enables the reader to develop useful algorithms and provides insight into the use of digital audio editing tools to document features in the signal. Topics covered include acoustical measurement principles, in-depth critical study of uncertainty applied to acoustical measurements, digital signal processing from the basics, and metrologically-oriented spectral and statistical analysis of signals. The student will gain a deep understanding of the use of software for measurement purposes; the ability to implement software-based measurement systems; familiarity with the hardware necessary to acquire and store signals; an appreciation for the key issue of long-term preservation of signals; and a full grasp of the often neglected issue of uncertainty in acoustical measurements. Pedagogical features include in-text worked-out examples, end-of-chapter problems, a glossary of metrology terms, and extensive appendices covering statistics, proofs, additional examples, file formats, and underlying theory.
Author : Marc Aretz
Publisher : Logos Verlag Berlin GmbH
ISBN 13 : 3832532420
Total Pages : 221 pages
Book Rating : 4.8/5 (325 download)
Download or read book Combined Wave and Ray Based Room Acoustic Simulations of Small Rooms written by Marc Aretz and published by Logos Verlag Berlin GmbH. This book was released on 2012 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present thesis establishes a complete framework for the combination of finite element and classical ray based acoustic simulations in small rooms and discusses the inherent challenges and limitations including all aspects of sound generation, sound reflection and sound reception. In this context, the thesis gives detailed guidelines for the best-possible determination of all necessary input data for both simulation domains. The overall potential of the presented combined approach is assessed by conducting extensive objective and subjective comparisons of measurement and simulation results for three types of acoustically relevant small spaces (a scale-model reverberation room, a recording studio and two different car passenger compartments).
