Khei

Loudest On Earth

Loudest on Earth! The loudest noises that most people would experience in their normal life can be things like emergency alarms, building-demolishment, fireworks or even jet engines. For example, fire alarms can reach up to 97 dB, fireworks can hit 120dB. But guess what? These are nothing compared to the most ear-shattering sounds from events, …

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Noisy Neighbours?

Noisy Neighbours? In high-density urban residential areas, it is common to see housing buildings close to each other, whether they are high-rise properties, or landed houses. Typically, in Malaysia, especially in major cities like Kuala Lumpur, residential areas are almost everywhere: condominiums, apartments, terrace houses, bungalows… Although they are structured differently, most tenants still share …

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Colours of Noise

The Colours of Noise To most people, noise is generally described by its loudness or pitch. But did you know that noise can also be differentiated by colours? Some of you may already know about white noise, which is typically said to be the static noise generated by air conditioners (although technically, the AC’s hum …

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Traffic Noise

Traffic Noise If you are living in a huge city or town centre, you can relate to today’s topic for sure. For the past decade, Malaysia has experienced a significant development in many aspects to improve the country’s economic status. In particular, transportation is the crucial factor to the country’s economic growth. There are a …

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Noise at work: The Hierarchy of Control

Noise at work: The Hierarchy of Control Responsibilities of Employers and Employees In the previous write-up, the legal requirements regarding noise limits set by the Department of Occupational Safety and Health Malaysia (DOSH) were discussed (DOSH, 2018). The Factories & Machinery (Noise Exposure) Regulations, 1989, should be always obeyed by industrial workers and employers to …

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Noise Control

Noise control Noise control is a combination of methods introduced to prevent individuals from being exposed to hazardous noise levels. This is especially important at the work environment, where employers should always be aware about the potential risks that may harm the employees. Different measures can be applied to the workplace depending of the hazard, …

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Hearing Sounds

Hearing sounds Hearing Mechanism – How do we hear sounds? The human-ear consists of three major parts: Outer Ear, Middle Ear, and Inner Ear (Figure 1), where each part consists of various “components” that does their specific functions. Outer Ear – Consists of the pinna, ear canal and the tympanum (widely known as the eardrum) …

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Noise In Malaysia

NOISE IN MALAYSIA THE EFFECT OF MCO DUE TO COVID-19 A lot of things have been happening around the world for the past few months, and undeniably, this year, 2020, is full of ups and downs. Environmental issues have been alarming, but there is one major issue that affected, or should I say, is still …

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