Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Richard D. Godfrey"'
Publikováno v:
Noise Control and Acoustics.
The results of an experimental performance evaluation of a Metadyne chamber in both full anechoic and hemi-anechoic configurations over the frequency range from 60 to 10,000 Hz are presented. The Metadyne anechoic wedge, a fiberglas-filled wedge full
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bdf42022a6c305b620390c7f246f043d
https://doi.org/10.1115/imece1997-1034
https://doi.org/10.1115/imece1997-1034
Autor:
Mardi C. Hastings, Richard D. Godfrey
Publikováno v:
Noise Control and Acoustics.
Results of an experimental performance qualification of a large reverberation room in the Noise and Vibration Control Laboratory at Owens-Corning Science & Technology Center, Granville, Ohio, are reported. The qualification testing was done according
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b316405f30ae49207fffd26543605c09
https://doi.org/10.1115/imece1997-1032
https://doi.org/10.1115/imece1997-1032
Autor:
Richard D. Godfrey, Mardi C. Hastings
Publikováno v:
SAE Technical Paper Series.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f48d3aa083f138598bf46be69b22e841
https://doi.org/10.4271/971951
https://doi.org/10.4271/971951
Publikováno v:
SPIE Proceedings.
Damping properties of a viscoelastic material were determined using a standard resonant beam technique. The damping material was then applied to 1 by 2 foot gypsum panels in a constrained layer construction. Damping loss factors in panels with and wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::966a097ef180625f972cc0ed67a7965c
https://doi.org/10.1117/12.239113
https://doi.org/10.1117/12.239113
Publikováno v:
The Journal of the Acoustical Society of America. 130:2318-2318
Nationwide Children's Hospital was interested in understanding speech communications: in their operating rooms and between the parents/child and the doctor in pre-operative rooms. Long-term hearing loss of the staff was of secondary interest. Before
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::217296b8a1cf43d62d5b3f392dc1d79e
https://doi.org/10.1121/1.3654263
https://doi.org/10.1121/1.3654263
Publikováno v:
American Journal of Audiology. 19:142-142
Purpose To respond to comments by Shalkouhi (2010) on the article “Background Noise Levels and Reverberation Times in Unoccupied Classrooms: Predictions and Measurements” by Knecht, Nelson, Whitelaw, and Feth (2002). Method The Schroeder frequenc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4904d6d7f75b4303d819b10676009b6
https://doi.org/10.1044/1059-0889(2010/10-0017)
https://doi.org/10.1044/1059-0889(2010/10-0017)
Autor:
Jennifer Sanders, Heather Ridenour, Mallory Monjot, Anna L. Kiener, Allison Goff, Richard D. Godfrey, Alexandra MacMeekin, Christopher Emrick, Ashley Minton, Katherine Lamoreau, Meghan Hiss, Dana Ulakovic
Publikováno v:
The Journal of the Acoustical Society of America. 125:2535-2535
The department has a 13×7×8 ft fully anechoic chamber whose commissioning records were misplaced. The graduate acoustics class measured the acoustics of the chamber from 250–2000 Hz in preparation for future research projects. The focus was on th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3bb713d8b2ab2351cfa5b5cc6d78fdb4
https://doi.org/10.1121/1.4783575
https://doi.org/10.1121/1.4783575
Autor:
Richard D. Godfrey, Karl B. Washburn
Publikováno v:
The Journal of the Acoustical Society of America. 106:2171-2172
Approaching its third decade, sound‐field imaging using near‐field acoustical holography has matured as an analysis technique. It has been established as the tool of choice for source motion mapping in structural acoustics and for source identifi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fabaa7fce443ce3a8eff488f2627502e
https://doi.org/10.1121/1.427238
https://doi.org/10.1121/1.427238
Publikováno v:
The Journal of the Acoustical Society of America. 121:3035-3035
In 1962, Cavanaugh, et al., published the results of research which lead to a single number rating system for speech privacy of walls referred to as the N number [‘‘Speech Privacy in Buildings,’’ J. Acoust. Soc. Am. 34, 475–492 (1962)]. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8e024b5b41de69a8ccd380df4ed34e8
https://doi.org/10.1121/1.4781685
https://doi.org/10.1121/1.4781685
Publikováno v:
The Journal of the Acoustical Society of America. 118:1844-1844
Home owners say that insulating interior walls improves the acoustic environment. Based on STC alone, no perceptible difference is expected. To define ‘‘improved,’’ ethnographic and laboratory studies were conducted. Ethnographic studies in 3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d34c1290a387fe41576868d3a7a58e5b
https://doi.org/10.1121/1.4778513
https://doi.org/10.1121/1.4778513