sound intensity level

简明释义

声强级

英英释义

例句

1.Workers are required to wear ear protection if the sound intensity level exceeds 85 decibels.

如果声强级超过85分贝，工人需要佩戴耳保护。

2.The sound intensity level of the concert was measured at 110 decibels.

音乐会的声强级测量为110分贝。

3.In a quiet library, the sound intensity level should ideally be below 40 decibels.

在安静的图书馆中，理想的声强级应低于40分贝。

4.The sound intensity level in the classroom was monitored to ensure a conducive learning environment.

课堂上的声强级被监测以确保良好的学习环境。

5.The sound intensity level of the machinery was too high, leading to potential hearing damage.

机器的声强级过高，可能导致听力损伤。

作文

Sound is an integral part of our daily lives, influencing our emotions, behaviors, and even our health. One of the essential concepts in understanding sound is the sound intensity level, which quantifies the power carried by sound waves per unit area in a medium. This concept is crucial not only for scientists and engineers but also for anyone interested in how sound affects our environment.The sound intensity level is measured in decibels (dB), a logarithmic scale that reflects the ratio of a particular sound's intensity to a reference intensity level. The reference level is typically set at the threshold of hearing, which is approximately 0 dB. This means that sounds below this level are generally inaudible to the average human ear. Understanding this measurement helps us appreciate the wide range of sounds we encounter daily, from the soft rustle of leaves to the loud roar of a jet engine.One important aspect of the sound intensity level is its relationship to human perception of sound. For instance, an increase of 10 dB represents a tenfold increase in sound intensity, but it is perceived as roughly twice as loud to the human ear. This non-linear perception underscores why certain environments can feel overwhelmingly noisy, even if the actual measurements of sound intensity are not extraordinarily high.In various fields, the knowledge of sound intensity level plays a significant role. In urban planning, for example, city planners must consider the sound intensity level of traffic, construction, and other urban activities to ensure that noise pollution does not negatively impact residents’ quality of life. Similarly, in occupational health, monitoring the sound intensity level in workplaces is vital to prevent hearing loss among workers exposed to high levels of noise over extended periods.Moreover, the sound intensity level is crucial in the field of acoustics, where it is used to design spaces such as concert halls, theaters, and recording studios. Engineers must carefully calculate the sound intensity level to achieve the desired auditory experience, ensuring that sound is evenly distributed and free from unwanted echoes or distortions.On a more personal level, understanding the sound intensity level can help individuals make informed decisions about their auditory environment. For instance, knowing that prolonged exposure to sounds above 85 dB can lead to hearing damage may encourage people to use ear protection in loud settings, such as concerts or construction sites. Likewise, being aware of the sound intensity level of everyday sounds can enhance our appreciation for quieter moments, promoting mindfulness in our increasingly noisy world.In conclusion, the sound intensity level is a fundamental concept that enhances our understanding of sound and its impact on our lives. From scientific research to everyday experiences, recognizing the significance of this measurement allows us to navigate our auditory environment more effectively. Whether we are designing a new building, protecting our hearing, or simply enjoying a quiet moment, the sound intensity level remains a vital aspect of our interaction with the world around us.

声音是我们日常生活中不可或缺的一部分，影响着我们的情感、行为，甚至健康。理解声音的一个基本概念是声强级，它量化了声波在介质中每单位面积所携带的能量。这个概念对科学家和工程师至关重要，同时也对任何对声音如何影响我们环境感兴趣的人有帮助。声强级以分贝（dB）为单位进行测量，这是一种对数尺度，反映了特定声音强度与参考强度水平之间的比率。参考水平通常设定为听觉阈限，大约为0 dB。这意味着低于此水平的声音通常对普通人耳是不可闻的。理解这一测量有助于我们欣赏每天遇到的各种声音，从轻柔的树叶沙沙声到飞机引擎的轰鸣声。声强级的一个重要方面是它与人类对声音的感知之间的关系。例如，增加10 dB代表声音强度的十倍增加，但对人耳的感知大约是两倍的响亮。这种非线性感知突显了为什么某些环境会感觉过于嘈杂，即使实际的声音强度测量并不特别高。在各个领域，了解声强级发挥着重要作用。在城市规划中，例如，城市规划者必须考虑交通、建筑和其他城市活动的声强级，以确保噪音污染不会对居民的生活质量产生负面影响。同样，在职业健康领域，监测工作场所的声强级对于防止工人在长时间暴露于高噪音下导致听力损失至关重要。此外，声强级在声学领域也至关重要，工程师使用它来设计音乐厅、剧院和录音室等空间。工程师必须仔细计算声强级以实现所需的听觉体验，确保声音均匀分布且没有不必要的回声或失真。在个人层面上，理解声强级可以帮助个人做出明智的决定，以改善他们的听觉环境。例如，知道长时间暴露于超过85 dB的声音可能导致听力损伤，可能会促使人们在嘈杂环境中使用耳保护。此外，意识到日常声音的声强级可以增强我们对安静时刻的欣赏，促进我们在日益嘈杂的世界中的正念。总之，声强级是一个基本概念，增强了我们对声音及其对生活影响的理解。从科学研究到日常体验，认识到这一测量的重要性使我们能够更有效地驾驭我们的听觉环境。无论我们是在设计新建筑、保护听力，还是仅仅享受一个安静的时刻，声强级始终是我们与周围世界互动的重要方面。