At what would normally be a festive meal at a Rabbi’s home, I met a young man who was born with sight and was blind, blinded in a way that only the miracle of the development of artificial eyes could restore his sight. Much of the conversation at the table concerned music, and it was clear that the young man loved music in all its variety. But he said using CD’s was too difficult for him, and he greatly regretted the closing of the local classical music station. Use of a computer for finding streaming music on the web...Read More
Author: David Klepper
Preface by and edited by Peter Ceriani Springer, New York NY (2009) 344 pp., Hardbound, 159 USD, ISBN 978-1-4419-0171-2 Reviewed by David Lloyd Klepper, reprinted courtesy of Noise Control Engineering Journal, 60(2), March-April 2012, p. 220-221. This is a well-written and illustrated, unusual, and important book. Modern acoustical science began with the correlation of subjective responses with physical measurements (W. C. Sabine’s stop-watch and organ-pipe experiment in Harvard’s Sanders Theatre)1 and continues on this basis with most of the papers in the latest issue of The Journal of the Acoustical Society of America, and this book as well, following...Read More
R. David Read and his wife, Sharon – Photo Courtesy Sound & Communications Magazine R. David Read passed on a few days after Easter of 2015, at the age of 79. Born in his Canada, his first job was as a Western Union messenger boy where he learned Morse code. After high-school and his family move to the USA, he applied for a position with the Southern Pacific Railroad, hoping to combine his learned knowledge of Morse Code and his love of railroads. But first, the railroad assigned him as a machinist helper in their main steam locomotive repair...Read More
“Much time is spent working out how to optimize the acoustics of large rooms, such as auditoria, but the acoustics of small rooms and environments can be just as vital.” CRC Press (Taylor & Francis Group) 2013, 476 pages, hard cover, ISBN 978-0-415-77930-2 Reviewed by David Lloyd Klepper Mendel Kleiner, emeritus professor at Sweden’s Chalmers University, now has a third book in two years,, this time as coauthor with Jiri Tichy, emeritus professor at Pennsylvania State University. The first was Acoustics and Audio Technology, for J. Ross Publishers, favorably reviewed in the June 2013 issue of Sound & Communications,...Read More
Published by Sound and Vibration Magazine, Bay Village, Ohio 44140, hard cover, 284 pages, black and white photographs and drawings, ISBN 978-0-19-533706-8 2009 Reviewed by David Lloyd Klepper, student, Yeshivat Beit Orot, Jerusalem, Israel Martin Hirschorn wrote this autobiography shortly before his death. He was born in Germany, shortly before Hitler’s coming to power, to a secular Polish-German-Jewish family, did not receive much in the way of a religious education, and remained a secular Jew all his life. My continuing personal contact with him indicated that he was a warm, friendly, and generous individual that became devoted to his...Read More
- Comments on the importance of the early-to-reverberant sound-energy ratio, “Clarity,” in speech and music acoustics, related to use of sound-reflecting panels with attention to data in Dr. Leo L. Beranek’s three concert-hall books.
- The Early-To-Reverberant Sound-Energy Ratio In Concert Hall Acoustics
- An Autobiographical Assessment of the Importance of the Early-to-Reverberant Sound-Energy Ratio, “Clarity,” in Speech Acoustics.
- History Repeats Itself: Boston’s Hatch Shell, New York City’s Holy Apostles Church, Albert Einstein, Joseph Albo, and Variable Time
- “Speech Intelligibility – a JBL Professional Technical Note” Technical Notes Volume 1, No. 26