Results 231 to 240 of about 6,874 (266)
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Automatic Reverberation Time Recorder
IETE Journal of Research, 1956AbstractThe method of measurement of reverberation time by tracing decay curves is tedious though accurate. Occasions frequently arise when the need for a quick determination of reverberation time vs. frequency curve is felt. An equipment constructed in the Research Department, All India Radio, which can plot the reverberation time vs.
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Predicting reverberation times in a simulated classroom
The Journal of the Acoustical Society of America, 2000By varying the sound-absorption treatments in a simulated classroom, experimental results were compared with analytical and computer predictions of reverberation time. Analytical predictions were made with different absorption exponents, which are the result of different weighting procedures involving room surface areas and the sound-absorption ...
Bistafa, S. R., Bradley, J. S.
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Reverberation Time in Vehicular Cabins
2018This paper research is focused on the reverberation time produced inside cabins where the influence of windows on wide-band signals is substantial. This kind of scenarios are important for the new generations of wireless communications since high-density scenarios with high-traffic demand are one of the keys environments.
Ana González-Plaza +3 more
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Reverberation-Controllable Voice Conversion Using Reverberation Time Estimator
INTERSPEECH 2023, 2023Yeonjong Choi, Chao Xie, Tomoki Toda
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Optimal reverberation time in classrooms
2023Optimal reverberation time in classrooms when the noise source are nearby pupils is in the range of 0.3-0.9 s, with a preferred value around 0.7 s, according to Yang and Bradley (2009). Optimal reverberation time for the speaker in a classroom is around 0.75 s, according to several studies in which we monitored teachers’ voice in primary and secondary ...
Arianna Astolfi +2 more
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Reverberation versus time or reverberation versus range? A definitive relationship.
The Journal of the Acoustical Society of America, 2009Strictly reverberation consists of all the back-scattered contributions from many locations that arrive at one absolute time regardless of their respective travel times. However, for calculation purposes, particularly at long range, it is often more convenient to assume the scatterers to be close together at a single location with corresponding ...
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Steady State Reverberation Time Measurement
SAE Technical Paper Series, 1997<div class="htmlview paragraph">In-vehicle reverberation time as a function of frequency can be used as one indicator of the quality of a vehicle interior as an acoustic space. Typically, however, reverberation times in passenger vehicles are so short that they can be extremely difficult to measure using interrupted noise or impulse excitations ...
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The reverberation times of some English cathedrals
Physics Bulletin, 1963Measurements of reverberation times have been made in a number of English cathedrals as part of the research program or in connection with other acoustic investigations. Reverberation time is the one measurement in the field of room acoustics which can be made comparatively easily and which can be related in a limited way to the subjective appreciation
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The Journal of the Acoustical Society of America, 1980
Beranek's book Music Acoustics and Architecture (pages 550– 551) gives three curves that allow one to predict the reverberation time for an occupied concert hall from the measured reverberation time for the unoccupied hall. Beranek fitted these curves by eye to his tabulated data (Appendix 2) on the reverberation times measured (at 125, 500, 1000, and ...
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Beranek's book Music Acoustics and Architecture (pages 550– 551) gives three curves that allow one to predict the reverberation time for an occupied concert hall from the measured reverberation time for the unoccupied hall. Beranek fitted these curves by eye to his tabulated data (Appendix 2) on the reverberation times measured (at 125, 500, 1000, and ...
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The Journal of the Acoustical Society of America, 1930
Harry F. Olson, Barton Kreuzer
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Harry F. Olson, Barton Kreuzer
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