نتایج جستجو برای: acoustics laboratory
تعداد نتایج: 290031 فیلتر نتایج به سال:
This clinical trial was undertaken to evaluate the benefit obtained from hearing aids employing second-order adaptive directional microphone technology, used in conjunction with digital noise reduction. Data were collected for 49 subjects across two sites. New and experienced hearing aid users were fit bilaterally with behind-the-ear hearing aids using the National Acoustics Laboratory-Nonlinea...
Dirk M. Hentschel, Michael Mengel, Lisa Boehme, Fabian Liebsch, Caroline Albertin, Joseph V. Bonventre, Hermann Haller, and Mario Schiffer Renal Division, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts; Department of Pathology and Division of Nephrology, Department of Medicine, Hannover Medical School, Hannover, Germany; and Mount Desert Island Biological Laboratori...
A new acoustic measurement signal that is a hybrid signal of time-stretched pulse TSP , or lin-TSP, and logarithmic TSP log-TSP is proposed. The signal, referred to as warped-TSP Morise et al., IEICE Trans. Fundamentals, A, J89-A 1 , 7–14 2006 , has a single parameter to adjust for better measurements in accordance with ambient noise conditions. It also provides a means to eliminate harmonic di...
The Audio Arts and Acoustics department at Columbia College in Chicago acquired a new building in 2003. The facility, a former bank, contained an old steel and concrete vault that was converted to a reverberation chamber. The acoustic properties of the space, including reverberation time, modal density, and early reflection maps were analyzed and compared to a computer model. Reflectograms were...
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