Building Acoustics

Building Acoustics

This book is mainly a translated version of a book that appeared in the Norwegian language in 2002, published by Tapir Academic Press, which originated from my many years of teaching at the Norwegian Institute of Technology (NTH) and the Norwegian University of Science and Technology (NTNU). This teaching included building acoustics, general noise abatement and acoustic measurement techniques.

The book is therefore primarily intended for the Engineering student but it should be possible to use it as a reference, partly because quite a number of references for further reading are included. This applies to books and journal articles as well as references to relevant standards, international as well as European. The author is painfully aware of the constant revisions of the latter group but as they normally retain the number these references also should have certain longevity. Although mainly a translated version of the Norwegian edition, quite a lot of new material is included, certainly in the chapter on sound absorbers, a field of particular interest for me in recent years.

The appearance of this English edition is wholly due to my friend and colleague Peter Lord, former professor at the University of Salford and long-time editor of the Journal of Applied Acoustics. Although getting many hints from colleagues abroad to translate the book, Peter really started the process by urging the present publisher to put some pressure on me.

Building or architectural acoustics is taken in this book to cover all aspects of sound and vibration in buildings. The book covers room acoustics but the main emphasis is on sound insulation and sound absorption and the basic aspects of noise and vibration problems connected to service equipment and external sources. Measuring techniques connected to these fields are also brought in.
It is designed for advanced level engineering studies and is also valuable as a guide for practitioners and acoustic consultants who need to fulfil the demands of building regulations.

It gives emphasis to the acoustical performance of buildings as derived from the performance of the elements comprising various structures. Consequently, the physical aspects of sound transmission and absorption need to be understood, and the main focus is on the design of elements and structures to provide high sound insulation and high absorbing power. Examples are taken from all types of buildings.
The book aims at giving an understanding of the physical principles involved and three chapters are therefore devoted to vibration phenomena and sound waves in fluids and solid media. Subjective aspects connected to sound and sound perception is sufficiently covered by
other books; however, the chapter on room acoustics includes descriptions of measuresthat quantify the “acoustic quality” of rooms for speech and music.

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