Category: ACOUSTICAL SCIENCES
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What is Reverberation by Apocalypse Part 2
What is Reverberation? Part Two (Continued from Part One) You can say, What on earth is reverberation time? How do I treat it.? In a room with high absorption or with few reflections the sound dies immediately or very quickly allowing us to reply. Well what is the time taken for noise to stop after the…
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What is Reverberation by Apocalypse Part 1
What is Reverberation??? Reverberation is another name for what most people know and understand as echo. The following analogy explains what reverberation is quite concisely without getting overly technical. If you press the accelerator pedal of a car, the car accelerates to a certain speed. If the road is smooth and level the speed will…
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Provision for children having special hearing or communication needs..Acoustic Improvements.
Provision for children having special hearing or communication needs..Acoustic Improvements. Provision for children having special hearing or communication needs For the purposes of this document, special hearing or communication needs include, but are not limited to, children with permanent hearing impairment; or with severe or complex needs including: speech, language and communication difficulties; visual impairments;…
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Acoustic Design of Schools Performance Standards….New-build, conversion and refurbishment work performance Standards.
New-build, conversion and refurbishment work performance Standards. NEW BUILDING-CONVERSION And REFURBISHMENT: Performance Standards for Acoustics. The School Premises Regulations and the Independent School Standards apply to refurbishment work, and the acoustic standards for refurbishment works given in this document apply. Where there is a need to upgrade the acoustic performance of an existing building or…
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SOUNDPROOFING BY APOCALYPSE ACOUSTICS
SOUNDPROOFING BY APOCALYPSE ACOUSTICS: Soundproofing is any means of reducing the sound pressure with respect to a specified sound source and receptor. There are several basic approaches to reducing sound: increasing the distance between source and receiver, using noise barriers to reflect or absorb the energy of the sound waves, using damping structures such as…
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NOISE CONTROL By APOCALYPSE ACOUSTICS SCIENCES CORP
INTRODUCTION TO NOISE CONTROL By APOCALYPSE ACOUSTICS SCIENCES CORP Definitions and Background What is Noise? Noise is disagreeable or unwanted sound. In many instances, noise is a relative definition of a sound since one person’s music may be another person’s noise. It is difficult to give a very clear definition of an irritating noise. …
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Reverberation by Apocalypse Acoustics
Reverberation is linked to the speed at which sound energy disappears in a room. An unfurnished room with hard surfaces, such as a church, is perceived as being more reverberant than a well-furnished living room. The reverberation time is usually defined as the time it takes for sound to decrease by 60 dB. To determine…
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Noise…
Noise is considered a serious threat to the environmental health. Some of the adverse effects of noise pollution are given below: It interferes with speech. In the presence of noise we may not able to follow, what the other person is saying. Noise leads to emotional and behavioral stress. A person may feel disturbed in…
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Worship Perfections by Apocalypse
In churches, synagogues and worship centers large or small, words and music can sound incomprehensible to the congregation if sound is not properly controlled. Poor sound quality is common in churches because of an abundance of hard surface materials. Brick, marble, stone, tile, glass, wood and sheet rock are all acoustically reflective. Sound waves bounce…
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Fundamentals of Room Acoustics
Most #sound #reinforcement #systems are located indoors, and the acoustical properties of the enclosed space have a profound effect on the system’s requirements and its performance. Our study begins with a #discussion of #sound #absorption and #reflection, the growth and decay of #sound fields in a room, #reverberation, direct and reverberant sound fields, critical distance,…
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