Architectural Acoustics, Second Edition by Marshall Long

By Marshall Long

Architectural Acoustics, moment version provides an intensive technical review of the self-discipline, from uncomplicated ideas to precise layout recommendation. starting with a short heritage, it studies the basics of acoustics, human notion and response to sound, acoustic noise measurements, noise metrics, and environmental noise characterization. In-depth remedy is given to the theoretical rules and useful purposes of wave acoustics, sound transmission, vibration and vibration isolation, and noise transmission in flooring and mechanical systems.

Chapters on particular layout difficulties display the best way to follow the idea, together with therapy of multifamily dwellings, place of work constructions, rooms for speech, rooms for tune, multipurpose rooms, auditoriums, sanctuaries, studios, listening rooms, and the layout of sound reinforcement platforms. certain figures illustrate the sensible purposes of acoustic rules, displaying the right way to enforce layout rules in genuine structures.

This compendium of theoretical and sensible layout details brings the appropriate techniques, equations, strategies, and particular layout difficulties jointly in a single position, together with either basics and extra complicated fabric. training engineers will locate it a useful reference for his or her day-by-day paintings, whereas complicated scholars will get pleasure from its rigorous remedy of the elemental construction blocks of acoustical theory.

  • Considered the main entire source within the box – comprises uncomplicated basic family members, derived from first ideas, and examples had to resolve actual engineering problems.
  • Provides a well-organized textual content for college kids first coming near near the topic in addition to a competent reference for skilled practitioners seeking to refresh their technical wisdom base.
  • New content material for constructing pros contains case reports and assurance of particular concentration components comparable to audio visible layout, theaters, and live performance halls.

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Extra resources for Architectural Acoustics, Second Edition

Example text

Successful cities had grown prosperous with trade and during the relatively peaceful period of the late middle ages the citizens enthusiastically supported their construction. The first was built by Abbot Suger at St. Denis near Paris between 1137 and 1144 and was made possible by the hundreds of experiments in the building of fortified towns and churches, which had produced a skilled and knowledgeable work force. Suger was a gifted administrator and diplomat who also had the good fortune to attend school and become best friends with the young prince who became King Louis VI.

There was some confusion concerning the relationship between sound velocity and frequency, which was clarified by Theophrastos of Eresos (370–285 BC): “The high note does not differ in speed, for if it did it would reach the hearing sooner, and there would be no concord. ” The first monograph on the subject, On Acoustics, is attributed to Aristotle, although it may have been written by his followers. Whoever wrote it, the author had a clear understanding of the relationship between vibration and sound: “bodies that are capable of vibrating produce sounds .

As musical instruments increased in loudness they could be heard by larger audiences, which in turn encouraged larger concert halls and the use of full orchestras. As performance spaces grew larger there arose an incentive to begin thinking more about their acoustical behavior. Heretofore room shapes had evolved organically, the Italian opera from the Greek and Roman theaters, and the Northern European concert halls from basilican churches and rectangular ballrooms. Many of these rooms were enormously successful and are still today marvels of empirical acoustical design, although there were also those that were less than wonderful.

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