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Acoustic parameters

ON THE MEASUREMENT OF BINAURAL ACOUSTIC PARAMETERS IN SOME ROMANESQUE CHURCHES

ON THE MEASUREMENT OF BINAURAL ACOUSTIC PARAMETERS IN SOME ROMANESQUE CHURCHES

... Nevertheless, they have different dimensions, with volumes ranging from 32000 to 1500 m 3 (see Table 1), and specific features (see Fig. 1) briefly described below. St. Nicholas Basilica has a wooden ceiling with painted ...

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MEASURED ACOUSTIC PARAMETERS VERSUS PREDICTED ONES IN TWO MUDEJAR-GOTHIC CHURCHES

MEASURED ACOUSTIC PARAMETERS VERSUS PREDICTED ONES IN TWO MUDEJAR-GOTHIC CHURCHES

... the acoustic characteristics of the surfaces of the model, allowing the simulation to obtain acoustic parameters in concordance with the experimental ...

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PREDICTING ENERGY-BASED ACOUSTIC PARAMETERS IN CHURCHES: AN ATTEMPT TO GENERALIZE THE µ

PREDICTING ENERGY-BASED ACOUSTIC PARAMETERS IN CHURCHES: AN ATTEMPT TO GENERALIZE THE µ

... The study of the sound field in places of worship, in any country, has recently aroused great interest within the general field of architectural acoustics. This interest rises from a practical nature, being connected ...

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Measurement and use of scattering coefficients in room acoustic computer simulations

Measurement and use of scattering coefficients in room acoustic computer simulations

... Measurements of acoustic parameters were performed by the ITA team led by Dr.Gottfried Behler. These were performed using the loudspeaker system described in [7]. The results obtained from simulations were ...

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ACOUSTIC RESONATORS IN SERBIAN ORTHODOX CHURCHES

ACOUSTIC RESONATORS IN SERBIAN ORTHODOX CHURCHES

... This paper offers a brief review of discoveries of resonators made to date in Serbian churches based on the published works of authors who made the discoveries. Some examples of ceramic vessels taken out of church walls ...

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Specific features of underwater “acoustic climate” of the Gulf of Gdansk

Specific features of underwater “acoustic climate” of the Gulf of Gdansk

... of acoustic conditions in the Gulf of Gdansk formed by the impact of Vistula ...and acoustic parameters have been determined at the station ZN2 close to the Vistula mouth, at the station P110 in the ...

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Effects of audio compression in automatic detection of voice pathologies

Effects of audio compression in automatic detection of voice pathologies

... There are several studies in existing literature dealing with the au- tomatic detection of voice disorders [1]–[4], yielding high accuracy rates. These studies are based on the analysis of high-quality voice recordings, ...

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The acoustic adaptation hypothesis in a widely distributed South American frog: Southernmost signals propagate better

The acoustic adaptation hypothesis in a widely distributed South American frog: Southernmost signals propagate better

... Propagation and degradation experiments. To study the transmission and degradation of the advertisement calls of P. thaul, we carried out experiments with synthetic advertisement calls generated specifically for each ...

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Acoustic scattering from superspheroidal objects

Acoustic scattering from superspheroidal objects

... = 1, where s=2n, n=1,2,3,…], and revolving around the z-axis. For s=2, the object is a spheroid with aspect reason α=b/a. As s increases, the shape of the object approaches a cylinder of radius a and length 2b. The ...

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INFLUENCE OF THE ACOUSTIC ENTRAINMENT ON AEROSOL PARTICLE INTERACTIONS: EXPERIMENTAL BALANCE OF THE HYDRODYNAMIC MECHANISMS

INFLUENCE OF THE ACOUSTIC ENTRAINMENT ON AEROSOL PARTICLE INTERACTIONS: EXPERIMENTAL BALANCE OF THE HYDRODYNAMIC MECHANISMS

... the acoustic entrainment of single particles (acoustically oscillating) on their interaction processes and, in particular, on the hydrodynamic mechanisms that govern ...

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Engineered Diffraction Gratings for Acoustic Cloaking

Engineered Diffraction Gratings for Acoustic Cloaking

... single parameters being one of the major milestones to achieve the realization of these ...materials’ parameters for its real- ization. Acoustic carpet cloaks with finite anisotropy and homogeneous ...

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VES: A mixed-reality system to assist multisensory spatial perception and cognition for blind and visually impaired people

VES: A mixed-reality system to assist multisensory spatial perception and cognition for blind and visually impaired people

... Some of the first devices encoded low-level visual information in acoustic/tactile stimuli, e.g., pixel data from video frames. As could be appreciated in Bach-y-Rita’s et al.’s TVSS [13] and Meijer’s vOICe [14] ...

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Steady Sensitivity Distributed Acoustic Sensors

Steady Sensitivity Distributed Acoustic Sensors

... Although very promising, the aforementioned implementations entail serious shortcomings. Frequency sweeping strategies involve a significant increase in the complexity of the system and in the measurement time, ...

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Parameters needed in specifying

Parameters needed in specifying

... Every pump has a specific curve that relates head, flow, power, NPSHR and efficiency for specific impeller diameters for that particular unit (Figure 3 (2)).. This enables correct se- le[r] ...

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p2_b.pdf

p2_b.pdf

... res.U = low frequency residuals res.beta = estimated model parameters. res.beta_sd = estimated model parameters: standard deviation res.beta_t = estimated model parameters: t r[r] ...

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Dynamical properties of polaritons in semiconductor microcavities

Dynamical properties of polaritons in semiconductor microcavities

... The information about the interaction between excitons and their environment in a semiconductor is contained in the homogeneous line-width of exciton luminescence. During the past two decades, the homogeneous line-width ...

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ESTIMATION OF ACOUSTIC FLUCTUATIONS OF RECIPROCAL TRANSMISSION IN LONG-RANGE PROPAGATION AT THE CENTRAL EQUATORIAL PACIFIC

ESTIMATION OF ACOUSTIC FLUCTUATIONS OF RECIPROCAL TRANSMISSION IN LONG-RANGE PROPAGATION AT THE CENTRAL EQUATORIAL PACIFIC

... The area with a flat seabed in the Central Equatorial Pacific shown in Fig. 1 was chosen for the tomography experiment. The average depth of this area is approximately 6,000 m. Five transceivers were deployed at T1 ...

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45º CONGRESO ESPAÑOL DE ACÚSTICA 8º CONGRESO IBÉRICO DE ACÚSTICA EUROPEAN SYMPOSIUM ON SMART CITIES AND ENVIRONMENTAL ACOUSTICS

45º CONGRESO ESPAÑOL DE ACÚSTICA 8º CONGRESO IBÉRICO DE ACÚSTICA EUROPEAN SYMPOSIUM ON SMART CITIES AND ENVIRONMENTAL ACOUSTICS

... of acoustic absorption/reflection coefficients to each polygon, as required in geometric modelling, were developed with the Visualisation Toolkit ...room acoustic modelling, whose application is envisaged ...

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Processing of long-term acoustic measurements

Processing of long-term acoustic measurements

... Since several years, 01dB-metravib has proposed acoustic monitoring systems. Several key points have been monitored during more than two years in order to evaluate the instrumentation capabilities. The typical ...

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2 Subspace methods for room acoustic

2 Subspace methods for room acoustic

... (S + i k C − k 2 M ) x = − i k f (5) where S is the so called stiffness matrix, C the damping matrix, M the mass matrix, x the coefficient vector and f the acoustic force vector. Due to the orthogonality of the ...

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