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Apr 1980

Volume 67, Issue S1, pp. S1-S103

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back to top Session G. Noise II: Education in Noise Control Engineering
Invited Papers
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An historical perspective of noise control (A)

Glenn E. Warnaka

J. Acoust. Soc. Am. Volume 67, Issue S1, pp. S15-S15 (1980); (1 page)

Online Publication Date: 11 Aug 2005

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Annoyance due to noise or noise pollution is, perhaps, the oldest recognized form of pollution. Although the ancients (Egyptians, Greeks, and Romans) had a surprising knowledge of acoustics and a recognition of industrial and urban noise, there appears to have been little application of technology to the problem. In more modern times, the power of noise as an annoyance has been intuitively understood and fancifully exploited in writing and the motion pictures. In the same era, the military noise problem has been recognized, and considerable technological effort has been expended to reduce noise and exploit its generation under battle conditions. Community noise limits have been legislated in some communities for a considerable time. Similarly, industrial and environmental noise control has been practiced on a specialty basis for a relatively long time; however, it remained for the Second World War and the period following it to bring an ordered technological approach to the problem of noise. This paper attempts to present a reasonable view of the historical development of the understanding of noise control technology and its impact on the education process.
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The role of professional societies in noise‐control education (A)

John C. Johnson

J. Acoust. Soc. Am. Volume 67, Issue S1, pp. S16-S16 (1980); (1 page)

Online Publication Date: 11 Aug 2005

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Although societies of technical professions are not chartered to provide studies for certified credit (in the sense of educational institutions), each society has addressed the matter of education in its respective field. Such concerns are manifested in various forms: society‐sponsored workshops, seminars, special sessions, topical conferences, and even selected certification of individual technical qualifications. Additional society contributions include directories of accredited course offerings by educational institutions within selected fields of special concern and information on job opportunities and advanced degree graduates produced by educational institutions within selected subfields of specialization. Thus, even though professional societies do not offer accredited courses of study, they tend to be an active partner in education‐related functions. During the past decade, noise‐related studies have received increased attention by both educational and professional institutions, resulting in a marked upturn of events relating to educational activities by professional societies. Specific education‐related activities by professional societies have been selected for abbreviated description of the important role they play in the total educational process in the field of noise control.
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Qualifications required by noise‐control engineers in industry (A)

Robert Hickling

J. Acoust. Soc. Am. Volume 67, Issue S1, pp. S16-S16 (1980); (1 page)

Online Publication Date: 11 Aug 2005

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Currently one of the major needs is for persons qualified in the use of Fourer analysis equipment. In recent years, many forms of this type of equipment have appeared on the market, particularly real‐time systems that utilize two or more channels of input data. This equipment is now being widely used. The auto industry, for example, is applying it in all areas of vibration analysis and noise control. However, colleges and universities have not been adequately training people in this field. Mechanical engineers in particular are often lacking in basic understanding of multichannel analysis, i.e., transfer functions, cross‐spectra, correlation functions, and the like. In addition to providing instruction in the theory of this form of data analysis, it is necessary to demonstrate its use with appropriate equipment. The cost of such equipment is presently a difficulty, but it need not be prohibitive. Recognition of this equipment need is required by instrument manufacturers, funding agencies, and university administrators.
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Educational needs from the point of view of consultants (A)

Robert Bruce

J. Acoust. Soc. Am. Volume 67, Issue S1, pp. S16-S16 (1980); (1 page)

Online Publication Date: 11 Aug 2005

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This paper summarizes the results of a survey of consultants practicing noise control engineering. In general, consultants in noise control engineering recommend that students obtain a broad educational background with undergraduate and graduate degrees in Engineering, obtain practical work experience in a variety of engineering environments, and develop expert skills in written and spoken communication. Management skills such as planning projects and controlling costs are also important.
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A noise control course for undergraduates (A)

Conrad Hemond

J. Acoust. Soc. Am. Volume 67, Issue S1, pp. S16-S16 (1980); (1 page)

Online Publication Date: 11 Aug 2005

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The teaching of a course in Noise Control to undergraduate engineers provides one of the elements to be included in a design sequence of courses. The approach to teaching the course can either emphasize theories of noise control or can provide a “hands on” experience with an existing noise control problem. In either event, the course, offered to Seniors only, must involve analytical procedures, design analysis, a projected solution or steps heading to a solution and often, as time permits, the building of a prototype to illustrate the solution. Analytical procedures involve the separation of air borne sound from structure borne sound. This calls for a prior knowledge of the fundamentals of vibrations. Design analysis involves all of the students' background training in engineering courses; while the projected solution must include an evaluation of economic factors. A detailed description of the course as offered at the University of Hartford will be presented as well as a limited survey of what other Colleges are doing.
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Graduate level education in noise control—Needs and availability (A)

Raymond Cohen and Malcolm J. Crocker

J. Acoust. Soc. Am. Volume 67, Issue S1, pp. S17-S17 (1980); (1 page)

Online Publication Date: 11 Aug 2005

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This paper will explain the reasons for graduate level education in noise control, typical programs of study at the M.S. and Ph.D. levels and survey several of the graduate programs available.
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How we match industrial needs to the educational process (A)

William W. Lang

J. Acoust. Soc. Am. Volume 67, Issue S1, pp. S17-S17 (1980); (1 page)

Online Publication Date: 11 Aug 2005

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Earlier papers in this special session have considered the needs of the user of the end product of the process. This paper describes how users can influence the educational process by means of two written examinations administered by the Institute of Noise Control Engineering (INCE/USA). The INCE Fundamentals Examination is a two‐hour, closed‐book, multiple‐choice examination covering the fundamentals of acoustics and noise control engineering. The INCE Professional Examination is divided into two parts, each of four hours duration. The first part, Principles of Noise Control Engineering, covers fundamental concepts including the application of basic acoustics, mechanical dynamics and properties of the ear to noise control problems. The second part, Practice of Noise Control Engineering, requires a selection of problems from a number of individual specialities, including instrumentation and measurements, hearing conservation, noise problems in buildings, in the community, and in several specific industries. A concerted effort has been made to develop questions that are typical of those encountered by the practicing engineer. Hence, the exam questions are of a practical, rather than academic nature. By adjusting the educational process to meet the requirements of the INCE examination program, industries' needs are matched.
Contributed Papers
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Laboratory exercises in noise control engineering (A)

J. S. Bradley

J. Acoust. Soc. Am. Volume 67, Issue S1, pp. S17-S17 (1980); (1 page)

Online Publication Date: 11 Aug 2005

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In the Faculty of Engineering at the University of Western Ontario, noise control engineering courses are taught to final year undergraduates and to graduate students in our Master of Engineering program. The M.Eng program is a one‐year course work masters in noise control engineering and is the only program of this type in Canada. Laboratory exercises are seen to be an essential enhancement to lectures in noise control engineering, and are intended to not only reinforce concepts learned in lectures but also to give a better appreciation of the gaps between theory and the real world. Because of the applied nature of the subject most laboratory exercises have been planned so that they demonstrate the various fundamentals, but in realistic situations. A wide range of conventional acoustical instrumentation is used as well as several purpose build pieces of equipment. Physical measurements have been enhanced by a number of interactive computer programs that allow students to make more extensive measurements as well as to explore various relationships via the computer programs. A number of laboratory exercises are discussed with respect to their special features and purposes.
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An undergraduate course in noise control engineering (A)

Stanley E. Dunn

J. Acoust. Soc. Am. Volume 67, Issue S1, pp. S17-S17 (1980); (1 page)

Online Publication Date: 11 Aug 2005

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The considerations of offering a course in noise and vibration control at the undergraduate level are presented. Based on several years of experience in an Ocean Engineering program environment, attention is given to goals and objectives of the course, the desirable prerequisites, program support and faculty requirements, the constraints and the accomplishments of the course. In particular, the organization of the course around the source‐path‐receiver model is discussed. Attention is also given to the design aspects of engineering and the way in which course material is selected to meet engineering design requirements, such as those set forth by the Engineering Council for Professional Development. The utilization of a full scale problem lasting the duration of the course is discussed, including the organization of the students into design teams. Finally, the use of the course as a measure of the effectiveness of the remainder of the Ocean Engineering program to provide necessary preparation is discussed.
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Noise control education at Iowa State University (A)

D. K. Holger

J. Acoust. Soc. Am. Volume 67, Issue S1, pp. S17-S17 (1980); (1 page)

Online Publication Date: 11 Aug 2005

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Noise control education for engineering students at Iowa State University consists of two formal courses devoted to the area of noise control, a number of supporting courses in related areas and research or design experience involving industrial noise control problems. The development of this educational package and the various levels of undergraduate and graduate student participation in the package are discussed. This highly informal program in noise control attempts to serve the needs of students who desire an introduction to the concepts of noise control as well as those of students who wish to informally specialize in the area of noise control. The core of noise control education for both groups is a senior level elective course which incorporates formal lecture‐recitation instruction, text book problems, laboratory experience and actual industrial noise control design problems. The content and organization of this course will be discussed and examples of typical laboratory and project work will be presented. Supporting courses in related areas and an introductory graduate course in noise source analysis are also summarized.
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