SIBKL Acoustic Design Analysis Report

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AUDITORIUM:
A CASE STUDY ON ACOUSTIC DESIGN
BUILDING SCIENCE II
ARC3413/BLD61303
SEMESTER 5
BACHELOR OF SCIENCE (HONS) IN ...

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TABLE OF CONTENT
INTRODUCTION ……………………………………………………..3
Historical Background
- Organization
- Building
Auditorium
DRAWING...

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INTRODUCTION
HISTORICAL BACKGROUND

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Organization: Sidang Injil Borneo Kuala Lumpur (SIBKL)
As one of the most established protestant churches in Malaysia, S...

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SIBKL Auditorium, Bangunan Yin, Jalan Damansara
Type of Auditorium: Multipurpose (Speech and Music)
Shape: Fan-shaped
To...

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DRAWINGS
Floor Plans
Fifth Floor Plan of Bangunan Yin

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Sixth Floor Plan of Bangunan Yin
SECTIONS

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Sections of Bangunan Yin

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SOUND ABSORPTION
Sound absorption is defined as the change in sound energy into heat energy, as the incident sound that
...

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Location of carpeted floor on auditorium plans
Material: Carpet (Porous Absorber)
Absorption coefficient for thick pile...

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Material 1: Fabric
Absorption coefficient for fabric: 0.90
The walls of the auditorium is covered with fabric wrapped w...

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Location of timber finishing on auditorium reflected ceiling plans
Material 1: Timber Hardwood
Absorption coefficient f...

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Location of gypsum boards on auditorium reflected ceiling plans
Material 2: Gypsum Board
Absorption coefficient for pla...

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Seats
Location of cushioned seatings on auditorium plans
Material: Cushioned Fabric Seatings (Porous Absorber)
Absorpti...

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Acoustic Wall Panelling / Treatment
This auditorium installed individual panels of slit wooden resonators that alternat...

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Stretched Fabric Panels
Material 1: Stretched Fabric Panels (Membrane Absorber)
These wall panels are used to reduce ec...

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Hardwood Wall Slats
Materials: Hardwood Wall Slats (Cavity Absorber)
Beyond the cavities of the wall panels are narrow ...

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SOUND SOURCE
Sound source is the source of where sound waves are generated. It creates vibrations in the
surrounding me...

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Sound Systems
A typical sound system in an auditorium may include a combination of microphones, signal processors,
ampl...

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The sound system in the auditorium is controlled by an audio mixing board that makes live sounds
louder, and also distr...

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Single Speaker Cabinets
Single Speaker Cabinets ultimately reproduces tone as sound waves in the air—which are what rea...

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Line Array Speakers
A line array speaker is a loudspeaker system that is made up of a number of usually
identical louds...

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Stage Monitor Speakers
A stage monitor is a type of speaker used on stage in auditoriums and halls where accurate audio...

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Possible Noise Intrusions
Noise intrusion on fifth floor plan
The possible noises that could affect the auditorium is t...

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SOUND PROPAGATION
Sound propagation (or sound path) shows the movement of sound traveling. During the propagation
of so...

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Sound path in section
Sound path in plan

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Sound Shadow Area
Sound shadow is an acoustic defect where an area through which sound waves fail to propagate. The
sou...

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Solution
Single speakers are added on the ceiling at the bottom of the balcony, projecting sound towards the
audience i...

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Sound Reflection
Sound reflection occurs when a wave reaches the boundary between objects, part of the waves
undergoes ...

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Convex Surfaces
Sound is reflected on hard surfaces in the auditorium. They tend to reflect off flat surfaces uniformly...

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Walls
Tilted Walls
The irregular walls of the auditorium are properly tilted to allow more useful reflecion of sound. T...

$32 Sound diffraction Sound diffraction occurs when the sound waves pass through an opening or around a barrier in their pa...$

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REVERBERATION TIME

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On the basis of the presented results, we can see that the reverberation time is 0.6 seconds and is still
within the ex...

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Cushioned Fabric 1948.3 0.64 1246.9
3292.8
Total Volume: 11393 m3

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