Marshall Long's Architectural Acoustics PDF

By Marshall Long

ISBN-10: 0124555519

ISBN-13: 9780124555518

Architectural Acoustics provides a accomplished technical assessment of the sector at a degree compatible for operating practitioners in addition to complex undergraduate or introductory graduate structure or engineering direction. The e-book is established as a logical development via acoustic interactions. starting with an architectural heritage, it studies the basics of acoustics, human conception and response to sound, acoustic noise measurements and noise metrics, and environmental noise. It then strikes into wave acoustics, sound and reliable surfaces, sound in enclosed areas, sound transmission loss, sound transmission in constructions, vibration and vibration isolation, noise transmission in flooring structures, noise in mechanical platforms, and sound attenuation in ducts. Chapters on particular layout difficulties stick with together with remedy of multifamily dwellings, workplace structures, rooms for speech, sound reinforcement platforms, rooms for track, multipurpose rooms, auditoriums, sanctuaries, and studios and listening rooms. whereas delivering a radical evaluate of acoustics, it's also the speculation of loudspeaker platforms and sound procedure modeling in addition to an in-depth presentation of machine modeling, ray tracing and auralization. it will likely be relatively important for architects and engineers operating in fields the place speech intelligibility, song appreciation, and noise isolation are serious.

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The eastern and western branches of the Christian church became divided by ideological differences that had been suppressed when the church was clandestine. An iconoclastic movement resulted from a decree from the eastern emperor, Leo III (717–741), forbidding any representation of human or animal form in the church. Subsequently many Greek artisans left Constantinople for Italy, where they could continue their professions under Pope Gregory II. This artistic diaspora caused Leo to relent somewhat and he allowed painted figures on the walls of eastern churches but continued the prohibition of sculpture.

This type of spectacle was one of the few that did not require a high degree of speech intelligibility for its appreciation by the audience. The floor was sometimes caulked and filled with water to a depth of about a meter for mock sea battles. Smaller indoor theaters also became a part of the Greek and Roman culture. These more intimate theaters, called odea, date from the age of Pericles (450 BC) in Greece. Few remain, perhaps due to their wood roof construction. The later Greek playwrights, particularly Sophocles and Euripides, depended less on the chorus and more on the dialogue between actors to carry the meaning of the play, particularly in the late comedies.

The building was based on a design by the architects Martin K. P. Gropius (1824–1880) and Heinrich Schmieden (1835–1913) and was finally completed in 1882 after Gropius’ death, remaining extant until it was destroyed in World War II. A sketch of the hall is shown in Fig. 18. 9 m (49 ft) high ceiling. 55 seconds was less than that of the other three, making it ideal for the works of Bach, Mozart, Haydn, and other Classical chamber music. The upper walls were pierced with arched clerestory windows, looking like the brim of a baseball cap, which let in light and helped to control the bass reverberation.

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Architectural Acoustics by Marshall Long

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