Results 91 to 100 of about 1,267,898 (141)

Airborne sound insulation of lightweight building elements with structural connections [PDF]

open access: yes, 2017
Diplomová práce se zabývá vzduchovou neprůzvučností lehkých stavebních prvků, zejména jejím teoretickým stanovením a měřením. První část práce je obecně zaměřena na šíření zvuku v budovách, jeho druhy a působení na člověka. Obsahuje též přehled požadavků
Haken Jakub
core  

Maglev suspension in soundproofing cabins for confidential talks [PDF]

open access: yesИнженерно-строительный журнал, 2010
This article discusses the idea of providing sound insulation of the room by using a magnetic suspension. It is based on the invention of the Abrakitov V. E.: sound bridge problem is solved by the avoidance of mechanical contact between the panel and the
I.I. Bogolepov
doaj  

Housing and sound insulation: Improving existing attached dwellings and designing for conversions.

open access: yes, 2006
This book is an essential tool for housing managers, building control and architects in designing to improve the levels of sound insulation in existing housing.A key section on conversions provides invaluable advice on how to approach sound insulation ...
Wood, John   +2 more
core  

Employing Frequency-Modulated Signals for Tonal Excitation in Airborne Sound Insulation Measurements

open access: yesEngineering Transactions
To enhance the similarity of acoustic insulation testing conditions in the laboratory, a tonal signal was employed as the excitation signal, reflecting real-world scenarios, such as transformer noise.
Dominik MLECZKO   +9 more
doaj   +1 more source

Uncertainty associated with the measurement of airborne sound insulation in the field [PDF]

open access: yes, 2014
Understanding uncertainty is an important part of any scientific measurement process and the ability to evaluate and understand uncertainty is a requirement of the International Standards for quality control. The basic uncertainties relating to the measurement of airborne sound insulation in the field can be assessed using the methods in BS5725 ...
openaire   +1 more source

Evaluation of airborne sound insulation in terms of speech intelligibility

open access: yes, 2007
This report gives the results of new listening tests to evaluate various airborne sound insulation ratings in terms of the intelligibility of transmitted speech. These subjective evaluations of sound insulation ratings are a first experiment of several intended to validate existing sound insulation ratings and investigate possible improvements.
Park, H. K.   +2 more
openaire   +1 more source

Prediction of airborne sound and impact sound insulation provided by single and multilayer systems using analytical expressions

open access: yes, 2006
In this work, the authors use analytical solutions to assess the airborne sound and impact insulation provided by homogeneous partitions that are infinite along their plane.
Pereira, A.   +7 more
core   +1 more source

Calculating Flanking Transmission for Improved Airborne Sound Insulation in Buildings [PDF]

open access: yes
The complexities of airborne noise insulation in tropical buildings provide challenges for predicting the value of airborne noise in buildings. The analysis employs standardized metrics, the Weighted Sound Reduction Index (DnT,w), to evaluate the impact ...
Hendinata, Laurentius Kevin
core   +1 more source

Laboratory Evaluation of Airborne Sound Insulation of Lightweight Wooden Roofs

open access: yes, 2007
In a large part of Europe, roof systems of small residential buildings generally consist of tile roofing laid over a lightweight wooden frame with a thermal insulation layer.
DI BELLA, ANTONINO
core  

ESTIMATION OF AIRBORNE AND IMPACT SOUND INSULATION BETWEEN ADJACENT AND NON-ADJACENT ROOMS USING SEA PATH ANALYSIS [PDF]

open access: yes
Path analysis based on Statistical Energy Analysis (SEA) is used in the International Standard ISO 12354 to calculate airborne and impact sound insulation by accounting for one direct path and a limited number of flanking paths that involve structure ...
Hopkins, C
core   +1 more source

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