Acoustics of auditoriums

Chapter 17: Transcriber’s Notes

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About This Book

A systematic investigation of the acoustical defects of a large university auditorium analyzes how sound reflects, absorbs, and transmits against smooth, curved surfaces to produce echoes and prolonged reverberation. Laboratory and theoretical studies were combined with in-situ measurements, including echo-path tracing and reverberation-time determination by Sabine’s method, to diagnose problems. Practical remedies such as strategic hangings and curtains were implemented and evaluated. The report outlines experimental procedures, the theoretical background on sound behavior in rooms, diagnostic techniques, and general recommendations for designing and treating auditoriums to reduce echoes and control reverberation.

Transcriber’s Notes

Punctuation, hyphenation, and spelling of English words were made consistent when a predominant preference was found in the original book; otherwise they were not changed. The spellings of non-English words were not changed.

Simple typographical errors were corrected; unbalanced quotation marks were remedied when the change was obvious, and otherwise left unbalanced.

Illustrations in this eBook have been positioned between paragraphs and outside quotations. In versions of this eBook that support hyperlinks, the page references in the List of Illustrations lead to the corresponding illustrations.

Footnotes have been sequentially numbered and placed together at the end of the book.