Results 11 to 20 of about 7,942 (300)

Measurements of Acoustical Parameters in the Ancient Open-Air Theatre of Tyndaris (Sicily, Italy) [PDF]

open access: yesApplied Sciences, 2020
The emerging field of archaeoacoustics is attracting increasing research attention from scholars of different disciplines: the investigation of the acoustic features of ancient open-air theatres is possibly one of its main themes.
Arianna Astolfi   +3 more
doaj   +5 more sources

The Accuracy of Predicted Acoustical Parameters in Ancient Open-Air Theatres: A Case Study in Syracusae [PDF]

open access: yesApplied Sciences, 2018
Nowadays, ancient open-air theatres are often re-adapted as performance spaces for the additional historical value they can offer to the spectators’ experience. Therefore, there has been an increasing interest in the modelling and simulation of the
Elena Bo   +5 more
doaj   +2 more sources

Prediction of room acoustical parameters [PDF]

open access: yesThe Journal of the Acoustical Society of America, 1991
During a 6-yr period, detailed room acoustical measurements have been carried out in 35 halls in Denmark and in other European countries. By subjecting these data to statistical analyses, it has been possible to confirm old and establish new relationships between design variables and the position-averaged acoustical data.
Gade, Anders Christian, A. C. Gade
openaire   +4 more sources

Are acoustical parameters of begging call elements of thin-billed prions related to chick condition? [PDF]

open access: yesActa Ethol, 2010
Quillfeldt P, Poisbleau M, Mundry R, Masello J. Are acoustical parameters of begging call elements of thin-billed prions related to chick condition? acta ethologica.
Quillfeldt P   +3 more
europepmc   +3 more sources

Acoustical parameters for learning in classroom: A review

open access: yes, 2022
A review on the reference values of the acoustical parameters that have the greatest influence on students' performance at different ages has been completed in this study.
Astolfi A., Puglisi G. E., Minelli G.
core   +1 more source

TECHNOLOGY AND ITS EFFECT ON THE FLEXIBILITY OF AUDITORIUM'S DESIGN

open access: yesJournal of Engineering, 2003
The technical development in scientific fields, has an effective influence in developing the possibilities of auditorium design, erection and performance.
Saba. J.N Al-Khafaji, suzan abd hussian
doaj   +1 more source

Acoustical Studies of Molecular Interactions in the Solution of Streptomycin Drug at Different Temperatures and Concentrations

open access: yesOrbital: The Electronic Journal of Chemistry, 2021
Streptomycin is an antibiotic medication used to treat a number of bacterial infections. In the present study ultrasonic velocity (U), density (ρ) and viscosity (η) have been measured at frequency 1 MHz in the binary mixtures.
Ritesh R. Naik
doaj   +1 more source

Investigation and Study of CaO-Borate Glass

open access: yesФізика і хімія твердого тіла, 2021
Recent days the special interest towards Glasses is specifically due to their vast applications that they range. Glass series Calcium borate metallic glass (CaO–B2O3) has been prepared by melt quenching technique. CaO influences like density/molar volume
D. Priya, S. Thirumaran
doaj   +1 more source

Morphological investigation of carbon nanotube reinforced polyurethane foam to analyse its acoustical and non‐acoustical properties

open access: yesMicro & Nano Letters, 2021
Acoustic damping analysis for open‐cell polyurethane/carbon nanotube nanocomposite foam is presented. Carboxylic functionalized CNT is used as an energy decaying filler in the PU matrix.
Sedigheh Basirjafari
doaj   +1 more source

Machine Learning Assessment of Spasmodic Dysphonia Based on Acoustical and Perceptual Parameters

open access: yesBioengineering, 2023
Adductor spasmodic dysphonia is a type of adult-onset focal dystonia characterized by involuntary spasms of laryngeal muscles. This paper applied machine learning techniques for the severity assessment of spasmodic dysphonia.
Federico Calà   +7 more
doaj   +1 more source

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