decibel

简明释义

英[ˈdesɪbel]美[ˈdesɪbel]

n. 分贝

复 数 d e c i b e l s

英英释义

单词用法

同义词

反义词

例句

1.Obviously, you'd wonder why the iPhone wouldn't measure signal in a more linear fashion, where the decibel value for each bar is equal.

很明显，你可能很想知道，为什么iPhone不用更线性的方式来测量接收强度，每格表示的分贝值相同呢？

2.If the dog's hackles are up, gives a low decibel growl, or engages in a predatory, stalking posture, then there is probably a danger in the environment.

如果狗颈部的毛都竖立起来，或是它发出低分贝咆哮，或是呈掠夺、跟踪姿势，那么周围肯定存在危险。

3.The noise pollution reached a high decibel level.

噪音污染达到了很高分贝。

4.The relative current attenuation decibel value was used to indicate the microwave attenuation anisotropy.

从实验角度分析了微波衰减各向异性与力学各向异性之间的统计相关情况。

5.When my voice hit a certain decibel, I was passed along, like a hot, irritable potato, to a technician.

当我的声音达到一定分贝时，我就像一个令人易怒的热土豆一样被移交给技术员。

6.It took higher-decibel sounds to disrupt their sleep patterns.

于是用高分贝噪声干扰他们的睡眠。

7.WideNoise is an iPhone application that samples decibel noise levels, displaying them on an interactive map.

WideNoise是一款iPhone应用，它对噪音分贝值进行抽样测量，并将音量值显示在交互式地图中。

8.A decibel is a standard unit of sound, and normal conversation is around 60 decibels.

分贝是声音的标准单位，正常谈话的声音大约在60分贝左右。

9.Specified as a decibel value over a frequency range.

以特定频率范围的分贝值表示。

10.The sound of a normal conversation is about 60 decibels (分贝).

正常对话的声音大约是60 分贝。

11.A lawn mower typically produces noise levels of around 90 decibels (分贝).

割草机通常产生约90 分贝的噪音。

12.Hearing damage can occur with prolonged exposure to sounds above 85 decibels (分贝).

长时间接触超过85 分贝的声音可能会导致听力损伤。

13.Rock concerts can reach sound levels of 120 decibels (分贝) or more.

摇滚音乐会的音量可以达到120 分贝或更高。

14.The whispering sound is around 30 decibels (分贝).

耳语的声音大约是30 分贝。

作文

Sound is an integral part of our daily lives, influencing our mood and behavior in various ways. One of the most important units used to measure sound is the decibel, which is often abbreviated as dB. The decibel is a logarithmic unit that quantifies sound intensity, making it easier to understand the vast range of sounds we encounter. For instance, a whisper can be around 30 dB, while a rock concert can reach levels of 120 dB or more. This wide range illustrates how the decibel scale functions, where every increase of 10 dB represents a tenfold increase in sound intensity. Understanding the decibel scale is crucial, especially when considering the impact of noise on our health. Prolonged exposure to sounds above 85 dB can lead to hearing loss, a condition that many people experience without realizing it. Everyday environments such as busy streets, construction sites, and even personal music devices can expose us to harmful decibel levels. Therefore, awareness of sound levels is essential for protecting our auditory health. In addition to its applications in measuring sound, the decibel is also used in various fields such as telecommunications, acoustics, and audio engineering. For example, in telecommunications, the strength of signals is often measured in decibels to ensure clear communication. Similarly, in audio engineering, mixing and mastering tracks involve careful adjustments based on decibel levels to achieve the desired sound quality. Moreover, the concept of decibels extends beyond just sound. It is also utilized in measuring other phenomena, such as electrical power and light intensity. In these contexts, the decibel helps professionals communicate complex information in a simplified manner. For instance, a change in power level by 3 dB indicates a doubling or halving of power, which is a critical consideration in many technical fields. However, it is important to note that the decibel scale can sometimes be misunderstood. Many people assume that a higher decibel level simply means a louder sound, without recognizing the logarithmic nature of the scale. This misunderstanding can lead to misconceptions about sound safety and the potential risks associated with high decibel levels. Educating ourselves about the decibel scale can empower us to make better choices regarding our exposure to noise. In conclusion, the decibel is a fundamental unit of measurement that plays a significant role in our understanding of sound and its effects on our lives. By grasping the concept of decibels, we can better appreciate the sounds around us and take proactive steps to protect our hearing. Whether it's adjusting the volume on our devices or wearing ear protection in loud environments, being mindful of decibel levels can greatly enhance our quality of life. As we continue to navigate a world filled with sound, let us remain aware of the importance of the decibel and its implications for our health and well-being.

声音是我们日常生活中不可或缺的一部分，以各种方式影响着我们的情绪和行为。用来测量声音的最重要单位之一是分贝，通常缩写为dB。分贝是一种对数单位，用于量化声音强度，使我们更容易理解所遇到的各种声音。例如，耳语的音量约为30 dB，而摇滚音乐会的音量可以达到120 dB或更高。这一广泛的范围说明了分贝尺度的功能，每增加10 dB表示声音强度的十倍增加。 理解分贝尺度至关重要，尤其是在考虑噪声对我们健康的影响时。长时间暴露在超过85 dB的声音中可能导致听力损失，这是许多人在不知情的情况下经历的情况。日常环境，如繁忙的街道、建筑工地甚至个人音乐设备，都可能使我们暴露在有害的分贝水平下。因此，了解声音水平对于保护我们的听力健康至关重要。 除了用于测量声音外，分贝还在电信、声学和音频工程等多个领域中得到应用。例如，在电信中，信号强度通常以分贝为单位进行测量，以确保清晰的通信。同样，在音频工程中，混音和母带制作涉及基于分贝水平进行仔细调整，以实现所需的音质。 此外，分贝的概念不仅限于声音。它也用于测量其他现象，例如电功率和光强度。在这些上下文中，分贝帮助专业人员以简化的方式传达复杂信息。例如，功率水平变化3 dB表示功率的加倍或减半，这是许多技术领域中的关键考虑因素。 然而，重要的是要注意，分贝尺度有时可能被误解。许多人认为更高的分贝水平仅仅意味着声音更响，而没有认识到尺度的对数特性。这种误解可能导致对声音安全和高分贝水平潜在风险的误解。提高对分贝尺度的认识可以使我们更好地选择噪声暴露。 总之，分贝是一个基本的测量单位，在我们理解声音及其对生活影响方面发挥着重要作用。通过掌握分贝的概念，我们可以更好地欣赏周围的声音，并采取积极措施来保护我们的听力。无论是调整设备音量还是在嘈杂环境中佩戴耳保护，关注分贝水平都能大大提升我们的生活质量。在我们继续在充满声音的世界中导航时，让我们保持对分贝的重要性及其对我们健康和福祉的影响的意识。