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room acoustics

Time domain modelling of room acoustics

Time domain modelling of room acoustics

... In room acoustics the key feature that determines the acoustic quality is the room impulse response, which is a time domain ...study room acoustics than conventional frequency domain ...

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Evaluating Room Acoustics for Speech Intelligibility

Evaluating Room Acoustics for Speech Intelligibility

... It is well known that room acoustics significantly influence speech intelligibility. In commercial auditoriums, the acoustics are studied by professionals using elaborate techniques. However, the ...

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Issues for computer modelling of room acoustics in non concert hall settings

Issues for computer modelling of room acoustics in non concert hall settings

... The acoustics of a small space at very high frequencies is similar to that of a large concert hall and can be adequately modelled by the usual energy based geometrical room acoustics models if only ...

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The KW-boundary hybrid digital waveguide mesh for room acoustics applications

The KW-boundary hybrid digital waveguide mesh for room acoustics applications

... the acoustics of an enclosed space where large-scale, high resolution 3-D mesh structures will be a ...typical room, al- though clearly they do not provide an accurate simulation of such a full 3-D ...DWM ...

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AcMus: an open, integrated platform for room acoustics research

AcMus: an open, integrated platform for room acoustics research

... for room acoustics research, which comprises tools for measurement, analysis, and simulation of rooms for music listening and ...the room through analytical ...

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Physical and numerical constraints in source modeling for finite difference simulation of room acoustics

Physical and numerical constraints in source modeling for finite difference simulation of room acoustics

... in room acoustics simulation, which are generally similar to those of an acous- tic ...the room omni-directionally at all frequencies of interest 27 (at least within the dispersion limitations of the ...

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Room Acoustics. Boothroyd, Page 1 of 18

Room Acoustics. Boothroyd, Page 1 of 18

... It is clear that the first step in dealing with poor room acoustics should be the installation of sound absorption to reduce reverberation time to acceptable levels. When this has been done, a sound-field ...

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Source excitation strategies for obtaining impulse responses in finite difference time domain room acoustics simulation

Source excitation strategies for obtaining impulse responses in finite difference time domain room acoustics simulation

... domain room acoustics simula- tions for auralization ...for room acoustics simulation the hard source is the least favorable due to the fundamental changes it imparts on the underlying ...

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SPATIAL IMPULSE RESPONSE RENDERING: A TOOL FOR REPRODUCING ROOM ACOUSTICS FOR MULTI-CHANNEL LISTENING

SPATIAL IMPULSE RESPONSE RENDERING: A TOOL FOR REPRODUCING ROOM ACOUSTICS FOR MULTI-CHANNEL LISTENING

... Spatial Impulse Response Rendering (SIRR) can be used to reproduce room acoustics with any multichannel loudspeaker system. In SIRR the time-dependent direction of arrival and diffuseness of measured ...

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The Journal of the Acoustical Society of America Express Letters Spatial analysis and auralization of room acoustics using a tetrahedral microphone

The Journal of the Acoustical Society of America Express Letters Spatial analysis and auralization of room acoustics using a tetrahedral microphone

... This letter is part of the submission of our manuscript "Spatial analysis and auralization of room acoustics using a tetrahedral microphone", which I wrote together with Winfried Lachenmayr and Dr. ...

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Towards room acoustics for an elderly population

Towards room acoustics for an elderly population

... inappropriate room acoustics can affect the listening experience of those with age- related hearing ...the acoustics of rooms where the hearing-impaired may experience ...

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FDTD/K DWM simulation of 3D room acoustics on general purpose graphics hardware using compute unified device architecture (CUDA)

FDTD/K DWM simulation of 3D room acoustics on general purpose graphics hardware using compute unified device architecture (CUDA)

... Computer-based modelling is becoming standard practice in modern room acoustics. Its applications range from prediction of design parameters, visualization of sound propagation and auralisation [1]. ...

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Signal processing in experimental room acoustics

Signal processing in experimental room acoustics

... a room can be used to obtain the impulse response from the sound source to a microphone, which is the main source of information in experimental room ...

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CASE STUDY. Sarakasi Theatre Nairobi, Kenya Room Acoustical Measurements and Modelling. Africa Room Acoustics DIRAC and ODEON

CASE STUDY. Sarakasi Theatre Nairobi, Kenya Room Acoustical Measurements and Modelling. Africa Room Acoustics DIRAC and ODEON

... 2008, room acoustical measurements were performed inside the Sarakasi Theatre in Nairobi using an ultra lightweight travelling measurement ...in room acoustical prediction ...

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Characterisation of small room acoustics for audio production

Characterisation of small room acoustics for audio production

... The impulse response of the room represents the interaction of the speaker and the room at this particular position. It is important to note that these impulse responses are not good to calculate any ...

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Characterisation of the directionality of reflections in small room acoustics

Characterisation of the directionality of reflections in small room acoustics

... This room has a fairly short reverberation time RT = 0.17 s @ 1 kHz, and a Mean Free Path l = 2.2 m giving a minimum time window of ∆ t = 6 ms. However, smaller time windows of 0.1 and 1 ms were tested in this ...

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Time domain boundary element method for room acoustics

Time domain boundary element method for room acoustics

... However, Rynne 38 showed that divergent poles should be forbidden by the system initial condition, so it is the way error accumulates in the MOT solver, rather than a fundamental propert[r] ...

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Surface diffusion coefficients for room acoustics : free field measures

Surface diffusion coefficients for room acoustics : free field measures

... Ideally, any diffusion coefficient should apply to all ge- ometries that usually occur in room designs. One variable geometric factor is the distances from the source and receiv- ers to the surface. All free-field ...

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Acoustics in HVAC System

Acoustics in HVAC System

... a room bounces off walls and other ...the room and the absorptive and reflectivity of the surfaces in the ...―hard‖ room (with concrete walls and floors and no furnishings) the room effect is ...

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Performative Design for Spatial Acoustics

Performative Design for Spatial Acoustics

... acoustic room is intended. Due to research in the field of room acoustics (Fasold and Veres 2003; Barron 1993; Beranek 2004; Temple- ton 1993; Kuttruff 2004) accepted acoustic values for opera or ...

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