To improve audibility in vast open-air theaters, ancient Greek architects integrated bronze or ceramic vessels, known as *echeia*, directly into the seating structures. Modern acoustics researchers have often questioned the efficacy of these resonators, pointing out that their small volumes would have had negligible effects on overall sound reinforcement. However, newly developed digital simulations of the theater at Epidaurus suggest that while the vessels did not amplify the actors' voices globally, they did selectively absorb specific low-frequency reverberations from the audience. By dampening this low-frequency background noise, the resonators effectively enhanced the clarity of high-frequency speech sounds, ensuring that actors' performances remained intelligible even in the highest tiers of the cavea.
Which choice best describes the function of the underlined sentence in the text as a whole?
- AIt introduces a historical consensus regarding the placement of the vessels that is challenged by the rest of the passage.
- It presents findings from a recent study that modify a skeptical view of the vessels' acoustic function.Answer
- CIt outlines a technical limitation of digital simulations that complicates the analysis of ancient Greek theater acoustics.
- DIt disputes the claim made in the first sentence that the primary purpose of the vessels was to enhance audibility.