Results 221 to 230 of about 2,069 (261)

Computer simulations in room acoustics: Concepts and uncertainties

The Journal of the Acoustical Society of America, 2013
Geometrical acoustics are used as a standard model for room acoustic design and consulting. Research on room acoustic simulation focuses on a more accurate modeling of propagation effects such as diffraction and other wave effects in rooms, and on scattering.
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Simulating environmental and psychological acoustic factors of the operating room

The Journal of the Acoustical Society of America, 2015
In this study, an operating room simulation environment was adapted to include quadraphonic speakers, which were used to recreate a composed clinical soundscape. To assess validity of the composed soundscape, several acoustic parameters of this simulated environment were acquired in the presence of alarms only, background noise only, or both.
Christopher L, Bennett, Roman, Dudaryk, Andrew L, Ayers, Richard R, McNeer   +3 more
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Consulting applications for an acoustical simulation room.

The Journal of the Acoustical Society of America, 1992
An acoustical simulation room was constructed for acoustical consulting use. The design criteria called for a space that could simulate the background noise, reverberation, spectral, time based, and directional response of proposed and existing spaces. Readily available professional audio and acoustical products were utilized for implementation into a ...
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Investigating Room Acoustics by Simulations and Measurements

Noise & Vibration Worldwide, 2013
Measurements in room acoustics are often used as the true reference of reality, while simulations are considered to be only a crude representation of it. However, both approaches have their own challenges and limitations, so measuring an impulse response and deriving room acoustic parameters correctly may be more difficult than it appears at first ...
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Level of detail in room-acoustic simulation

The Journal of the Acoustical Society of America, 2019
The quality of present-day room acoustic simulations depends on the quality of the boundary conditions and of the underlying CAD room models. A “high-resolution” room model does not mean that it needs to have a visually perfect geometrical fine structure.
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Room Acoustics – Fundamentals and Computer Simulation

2018
In room acoustics analytical formulas and computer simulations can be used to predict the acoustics of spaces, not only in terms of reverberation but other perceptual aspects, too, which are related to the perception of music or speech. In this context the room impulse response is the function of main interest. It can be measured by using sophisticated
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Modeling binaural receivers in finite difference simulation of room acoustics

The Journal of the Acoustical Society of America, 2013
Binaural room impulse responses are important for auralization as well as for objective research in room acoustics. In geometrical room simulation methods, obtaining such responses is easily achieved by convolving each computed reflection tap with a corresponding pre-measured angle-dependent head-related impulse response.
Sheaffer, Jonathan, Webb, Craig, Fazenda, Bruno M.   +2 more
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Directional source modeling in wave-based room acoustics simulation

2017 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA), 2017
Wave-based modeling in room acoustics and virtualisation applications constitutes an alternative to geometric or ray-based approaches; finite difference time domain (FDTD) methods, defined over regular grids, are an excellent match to parallel architectures.
Bilbao, Stefan, Hamilton, Brian
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Adaptive room acoustic response simulation: a virtual 3D application

2003 IEEE XIII Workshop on Neural Networks for Signal Processing (IEEE Cat. No.03TH8718), 2003
In this paper we propose a method to simulate a 3D acoustical environment in which sound sources are positioned in well defined sides. Our method is real-time applications oriented, due to the low computational cost of the implemented operations. The spatial position that the human brain assigns to a sound is influenced mainly by the differences ...
G. Costantini, D. Casali, UNCINI, Aurelio   +2 more
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Simulation and experimental study of room acoustics

2013
Sound propagation is a complex subject, especially in an enclosure. The study of room acoustics involves not only a research into how sound is propagated in a room, but also a search into how to measure sound under different condition and how to control sound in the case of various wall materials.
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