問題一覧
1
EXAMPLE OF ACOUSTIC ABSORPTION MATERIALS: composed of small particles of compressed glass or plastic, brings a unique blend of rigidity and lightweight construction, Its versatility allows for installation in confined spaces, making it a practical choice for various applications.
fiberglass
2
EXAMPLE OF SOUND INSULATION MATERIALS:
fiberglass
3
Use other sounds to block out or make the unwanted noise less intrusive.
masking
4
noise in building what are those (3) principal sources of rooms
people, machinery, outdoor source
5
The location of a building on its site, the arrangement of rooms, corridors and vestibules, and the location of doors and windows, all have a bearing on the control of noise; they require careful consideration.
building layout
6
In speech or music rooms noise shoutd be low enough so that it will not Interfere with the hearing or the production of speech or music.
human vs noise
7
The highest level of noise within a building that neither disturbs its occupants nor Impairs its acoustles
Acceptable noise level
8
Use materials to truly block the sound, or as much as can be blocked.
reducing
9
In offices, factories, and other work rooms, noise should be reduced to levels that will not impair the health, contentment, or efficiency of the workers in these rooms.
human vs environment noise
10
involves implementing measures to reduce or eliminate unwanted sound in a given environment.
noise control
11
EXAMPLE OF ACOUSTIC ABSORPTION MATERIALS: referred to as non-woven fabric, is a synthetic fiber composed of long-chain synthetic polymers.
polyester fiber
12
principal contributors to.noise.in offices, churches, and residences. The largest source of outdoor noise Is generally automoblle traffic
outdoor noise
13
EXAMPLE OF SOUND INSULATION MATERIALS:
mineral wool
14
refers to the unwanted sound that is transmitted from an exterior or neighbouring environment into a space. It can affect the acoustics of a space, which is the relationship between a sound produced in a space and its listeners,
noise
15
EXAMPLE OF ACOUSTIC ABSORPTION MATERIALS: wall coverings are easily affixed to walls, while they can also be utilized to cover or suspend from cellings, much like acoustic celling haffles.
commercial acoustic panel
16
defined as sound that is carried via the structure of a bullding.
structure-borne sound
17
An earth embankment or a masonry garden wall often can be used to reduce the noise that impinges on a building and aid in the establishment of quiet conditions within the building without resorting to costly measures of sound insulation.
grading and landscaping
18
Use the properties of the material to alter the sound to make it less disturbing.
absorbing
19
EXAMPLE OF ACOUSTIC ABSORPTION MATERIALS: encompassing felts, natural fibers like wool and cotton, and synthetic fibers such as polyester, prove highly effective in mitigating the adverse effects of sound.
fibrous material
20
The selection of the site for a bullding, the layout of the building itself and the grading and landscaping of the site are indespensable parts of good planning against noise in buildings
siting and planning against noise
21
EXAMPLE OF SOUND INSULATION MATERIALS:
cotton
22
HOW CAN AIRBORNE SOUND BE REDUCED?
use of acoustic material and sound insulation
23
five distinct processes of structure-borne sounds
generation, transmission, propagation, attenuation, radiation
24
Refers to sound waves that travel through the air. Within a bullding or home, airborne sound often stems from people talking, the radio, music, television, or loud pets, among other things,
air-borne sound
25
WHAT CAUSES AIR-BORNE SOUND?
low standard of workmanship
26
In restaurants, residences, and hospitals quietness Is especlally desirable.
human vs multiple noise