2007
DOI: 10.1121/1.2709842
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Acoustic diffraction effects at the Hellenistic amphitheater of Epidaurus: Seat rows responsible for the marvelous acoustics

Abstract: The Hellenistic theater of Epidaurus, on the Peloponnese in Greece, attracts thousands of visitors every year who are all amazed by the fact that sound coming from the middle of the theater reaches the outer seats, apparently without too much loss of intensity. The theater, renowned for its extraordinary acoustics, is one of the best conserved of its kind in the world. It was used for musical and poetical contests and theatrical performances. The presented numerical study reveals that the seat rows of the thea… Show more

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Cited by 59 publications
(43 citation statements)
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“…), were already aware of the physical aspects of sound wave propagation and general aspects of room acoustics (Declercq & Dekeyser, 2007;Farnetani, Prodi, & Pompoli, 2008). In later times, scholars like Athanasius Kircher (1602Kircher ( -1680 systematically explored the characteristics of acoustic spaces through various experiments on the reflection of sound, as documented in part IV of the ninth book of his Musurgia universalis (1650).…”
Section: Introductionmentioning
confidence: 99%
“…), were already aware of the physical aspects of sound wave propagation and general aspects of room acoustics (Declercq & Dekeyser, 2007;Farnetani, Prodi, & Pompoli, 2008). In later times, scholars like Athanasius Kircher (1602Kircher ( -1680 systematically explored the characteristics of acoustic spaces through various experiments on the reflection of sound, as documented in part IV of the ninth book of his Musurgia universalis (1650).…”
Section: Introductionmentioning
confidence: 99%
“…In dieser relativen Anhebung der höheren Frequenzen sehen die Autoren von [27] einen vorteilhaften Effekt für die Sprachverständlichkeit, der kaum von der jeweiligen Steigung und der Höhe der cavea abhängt. Der entscheidende Parameter f Λ variiert für die verschiedenen Theater zwischen 300 Hz (Pergamon mit Λ = 1,6 m) und 600 Hz (Aphrodisias mit Λ = 0,74 m).…”
Section: Akustische Eigenschaften Halboffener Räumeunclassified
“…[6][7][8] In this type of diffraction phenomenon, the periodically corrugated surface works as a diffraction grating and the periodicity of the corrugated surface is crucial to the diffraction pattern. When the incident beam impinges the corrugated surface at a specific angle called Bragg angle, a reflected beam is backscattered to the beam source.…”
Section: Linear Damage Detection Methods Using Ultrasonic Bragg Difframentioning
confidence: 99%