Application of multidimensional wave digital filters to boundary value problems

Krauss, H.; Rabenstein, Rudolf

doi:10.1109/97.392405

Cited by 14 publications

(1 citation statement)

References 6 publications

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“…It is possible to use WDFs to integrate a PDE [Fettweis andNitsche, 1991, Bilbao, 2004], and then it is possible to use this method in wave propagation simulation [Krauss and Rabenstein, 1995, Krauss et al, 1996, Schetelig and Rabenstein, 1998, Rabenstein and Schetelig, 1998]. In spite of their advantages, WDF have few known implementations in room acoustics, where the work of Kuntz and Rabenstein stands out Rabenstein, 2006, 2008], who have implemented a room acoustic simulator based on a space-state representation of the WDF [Zayati, 1998, Zayati andRabenstein, 2000].…”

Section: Alternative Methods In Discrete-time Modelingmentioning

confidence: 99%

Contributions to discrete-time methods for room acoustic simulation

Escolano-Carrasco

2008

The Journal of the Acoustical Society of America

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Home office worker performance and perception as affected by residential audible distractions through various wall constructions ͓43.55.Rg, 43.50.Qp, 43.55.Hy͔ -Alicia J. Wagner, Department of Architectural Engineering, University of Nebraska, Lincoln, Nebraska 68588, July 2008 (M.S.). This research examines the effects that residential audible distractions have on task performance and subjective perception of home office workers when transmitted across various residential wall constructions. Subjects performed math, verbal, and typing tasks while exposed to 16-h-long sound signals. These signals were generated using four audio filters simulating residential wall constructions providing varying degrees of acoustic attenuation ranging from field sound transmission classes of 36-58. The audio filters were applied to four types of audible distractions: ͑1͒ pop music, ͑2͒ television, ͑3͒ conversation, and ͑4͒ a potpourri of kitchen, pet, and children's noises. A questionnaire was also administered to determine participants' perception of loudness, variation in time, distraction, and annoyance. Statistical analyses indicate that none of the wall constructions or audible distractions significantly affected task performance. However, subjective perception does appear to be related to both factors. The relationship between task performance and subjective perception was also examined, yielding significant results between typing and subjective perception.

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Section: Alternative Methods In Discrete-time Modelingmentioning

confidence: 99%

Contributions to discrete-time methods for room acoustic simulation

Escolano-Carrasco

2008

The Journal of the Acoustical Society of America

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Discrete Simulation of Uniform Transmission Lines by Multidimensional Digital Filters

Rabenstein

Krauss

1996

Int. J. Numer. Model.

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Recently, a new method has been presented for the discrete simulation of multidimensional systems, which are described by linear partial differential equations with constant coefficients. It is based on methods customary in linear systems theory and digital signal processing and uses a frequency‐domain representation of the continuous system to be simulated. A proper choice of functional transformations for each independent variable allows us to treat the influence of initial conditions, boundary conditions and excitation functions separately by suitable transfer functions. From these, corresponding discrete transfer functions and the structure of a discrete system for the simulation of the continuous problem are derived. The application of this method to wave propagation problems on uniform transmission lines is presented here. At first, the continuous problem is characterized by transfer functions; then the derivation of a discrete system is shown, and finally, some simulation results and a comparison with other methods are given.

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Robust Numerical Integration Using Wave-Digital Concepts

Fettweis

2006

Multidim Syst Sign Process

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Application of multidimensional wave digital filters to boundary value problems

Cited by 14 publications

References 6 publications

Contributions to discrete-time methods for room acoustic simulation

Contributions to discrete-time methods for room acoustic simulation

Discrete Simulation of Uniform Transmission Lines by Multidimensional Digital Filters

Robust Numerical Integration Using Wave-Digital Concepts

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