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The noise assessment study clearly reveals the alarming condition of noise pollution in residential areas of Klang Valley as the noise level measured exceeded permissible limit by WHO and Malaysia Guidelines.
Proceedings ArticleDOI
01 Dec 2008
8 Citations
This noise generator can be used to test the noise temperature and noise figure of electronic devices and circuits.
Such a noise monitoring network established in India is unique and one of the largest noise monitoring networks of its kind across the globe.
Anyone who spends any time exposed to this level of noise is subject to deleterious physical and psychological effects.
Time- and place-patterns of noise in both institutions suggest that human factor is a major source of noise pollution.
The results clearly demonstrate the man-made noise and natural noise components of HF noise.
This is generally called “noise”.
Despite a reduction in noise injury, further adoption of noise reduction strategies for specific agricultural work practices is required.
High levels of noise annoyance among near vicinity residents who are affected by construction activities.
Self-report of noise related items may supplement noise map information in noise protection.

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Aren't there more important issues than noise pollution to be concerned about?
4 answers
Noise pollution, although often perceived as less important compared to other environmental issues, is a significant concern with various implications. Studies show that while some individuals may rank noise pollution as less important, it still poses health hazards and affects well-being, especially in urban areas with increasing motorization. Noise pollution is labeled a "Silent Killer" due to its direct and indirect effects on human health, leading to issues like hearing loss, affecting millions of people globally. Despite being an environmental pollutant, noise pollution is often overlooked in national plans for pollution reduction, highlighting a gap in addressing this critical concern. Therefore, while noise pollution may not always be prioritized, its impact on health and well-being necessitates attention and mitigation strategies.
Is noise pollution a health issue?
4 answers
Yes, noise pollution is a significant health issue with various adverse effects on human well-being. Exposure to noise pollution can lead to auditory effects like hearing loss and tinnitus, as well as non-auditory effects such as psychological distress, sleep disturbances, cardiovascular diseases, diabetes mellitus, headache, and pulmonary diseases. Research indicates that noise pollution is associated with lower socioeconomic status and can result in a double burden of poorer health and low socioeconomic status. The World Health Organization reports that millions of people worldwide suffer from health effects due to noise pollution, yet there is a lack of national plans to address this issue in countries like India. Therefore, it is crucial to implement strategies and educational programs to mitigate the negative impacts of noise pollution on human health.
Do noises interfere with office productivity?
5 answers
Noise in office environments, whether from mechanical sources like HVAC systems or human activities, can significantly impact productivity. Studies highlight that noise sources such as irrelevant speech, chatting, and telephone ringing lead to distractions, stress, and reduced comfort levels, affecting work efficiency in open-plan offices. Research also indicates that the use of virtual reality to simulate noisy environments negatively influences cognitive performance, with participants reporting discomfort and decreased productivity. Additionally, the combined effects of noise sources in offices can impact privacy metrics and acoustical comfort, further emphasizing the importance of managing noise levels for optimal work performance. Therefore, it is evident that noises do interfere with office productivity, underscoring the need for effective noise control measures in workspaces.
How does the physics of sound propagation influence the development of regional accents and dialects in French-speaking communities?
5 answers
The physics of sound propagation plays a crucial role in shaping regional accents and dialects in French-speaking communities. Variations in sound transmission due to environmental factors like topography and turbulence impact how accents develop. These acoustic effects interact with speakers' age and degree of accentedness, influencing how French varieties are perceived by listeners. Additionally, the acoustic impact of factors like wind on sound wave propagation can affect the distribution of energy in the fluid, leading to distinct patterns in accent development. Furthermore, studies on the acoustic impact of glottal opening during speech production reveal how different vocal configurations result in varying frication noise levels, contributing to accent distinctions. Overall, the physics of sound propagation influences the unique characteristics that define regional accents and dialects within French-speaking communities.
How to increase sleep quality in noisy environnement?
5 answers
To enhance sleep quality in noisy environments, several strategies can be implemented. Firstly, reducing noise disturbances through targeted interventions like the 'Silent Night' project can significantly improve patients' sleep quality by decreasing noise levels from various sources. Additionally, utilizing audio compositions with low salience and adequate variance can promote sleep without disruptive elements. Wearing earplugs in noisy conditions has been shown to improve sleep quality by reducing awakenings and increasing total sleep time. Moreover, adhering to recommended noise levels, such as those set by the World Health Organization, can protect against sleep disturbances and enhance overall quality of life. By combining these approaches, individuals can effectively mitigate the impact of noise on sleep quality in challenging environments.
What are the factors that affect the conductivity of an electrochemical sensor?
5 answers
The conductivity of an electrochemical sensor is influenced by various factors. Firstly, the presence of CO2 gas can significantly impact the conductivity of the sensor, with the AC bulk conductivity decreasing as the concentration of CO2 increases, especially at higher temperatures. Secondly, the use of a hydrophobic layer around sensor openings can help prevent electrolyte leakage or drying out, thus affecting the sensor's conductivity. Additionally, the sensor design itself, such as the configuration of electrodes and the materials used, plays a crucial role in determining conductivity levels. Moreover, utilizing semiconductor single crystal nanowires in the sensor can enhance conductivity by eliminating potential barriers and providing smoother current channels. Lastly, external factors like ambient pressure fluctuations and noise can also impact sensor conductivity, with acoustic noise causing transient current fluctuations in response to pressure oscillations.
How do work immersion devwloped professionalism and productivity?
5 answers
Work immersion plays a crucial role in developing professionalism and productivity among individuals. By providing real workplace experiences, work immersion programs enable learners to build new skills, increase employability, and jumpstart their professional growth. Such immersive experiences allow individuals to exhibit efficiency in completing tasks, enhance communication skills, and learn to deal with various challenges in a work environment. Additionally, in-country language immersion programs have been shown to facilitate language and cross-cultural learning among adult learners, ultimately enhancing their professional development and second language acquisition. Virtual reality (VR) environments can also positively impact productivity by allowing developers to choose their ideal work surroundings, leading to better mood, engagement, and reduced distractions. Overall, work immersion experiences contribute significantly to the development of professionalism and productivity by providing hands-on learning opportunities and fostering a conducive work environment.
How can petchay plant help the humans and the environment ad well?
5 answers
The petchay plant, also known as Catharanthus roseus, has significant potential to benefit both humans and the environment. Research has shown that C. roseus possesses phytoremediation capabilities, making it effective in remediating industrially contaminated soils. This plant can help in reducing soil pollution by absorbing heavy metals and enhancing antioxidant potential, chlorophyll, pectin, and lignin content in response to metal stress. Additionally, the use of plants like C. roseus for phytoremediation is aesthetically pleasing and more publicly acceptable compared to disruptive chemical processes. By utilizing C. roseus for phytoremediation purposes, not only can environmental pollution be mitigated, but human health can also be safeguarded from the harmful effects of heavy metal contaminants present in the soil.
How do hearing aids work?
4 answers
Hearing aids function through various mechanisms. They can amplify ambient sounds by selectively emitting white noise to enhance the ear's sensitivity threshold. Additionally, some hearing aids utilize electromyography to detect muscle activity in the auricular muscle, decoding the user's intention to adjust the device's operating mode. Furthermore, a hearing aid may include a wireless interface, processor, and antenna to emit and receive electromagnetic fields, with a decoupling element ensuring optimal performance at the antenna's frequency. Moreover, advanced hearing aid systems continuously monitor audio input signals and EEG-related brain activity to adjust processing modes based on signal comparisons and cognitive load assessments. Finally, adaptive beamforming techniques with complex frequency-dependent parameters and covariance smoothing are employed to enhance signal processing in hearing aids.
Are the plugins in QGIS reliable?
4 answers
The plugins in QGIS have been shown to be reliable and beneficial tools for enhancing the functionality of the software. They enable users to develop additional features and improve the performance of QGIS. For instance, plugins like the Fast Shallow Landslide Assessment Model (FSLAM) have been designed to accurately assess landslide susceptibility in mountainous areas, providing valuable outputs in a short computational time. Additionally, the ORGANICS plugin embedded in QGIS offers a simulation tool for surface water solute transport modeling, aiding in pollution prevention and remedial measures for aquatic ecosystems. These plugins demonstrate the reliability and effectiveness of utilizing QGIS plugins for various geospatial analyses and environmental assessments.
Why study noise and impact to students?
4 answers
Studying noise and its impact on students is crucial due to its potential effects on academic performance and overall well-being. Research indicates that noise pollution, whether from aircraft, home environments, or community sources, can lead to annoyance, sleep disturbance, loss of concentration, and even health issues. For instance, noise levels above recommendations in classrooms have been linked to compromised school performance. Additionally, higher in-home noise levels have been associated with hindrances in home-learning and executive function task performance among adolescents. Understanding these impacts is essential for creating conducive learning environments and developing strategies to mitigate the negative effects of noise on students' educational outcomes and well-being.