echo attenuation

简明释义

回声衰减

英英释义

例句

1.The new software features advanced echo attenuation 回声衰减 algorithms for better call quality.

新软件具有先进的回声衰减算法，以提高通话质量。

2.The microphone's built-in echo attenuation 回声衰减 feature helps reduce background noise.

麦克风内置的回声衰减功能有助于减少背景噪音。

3.In large auditoriums, echo attenuation 回声衰减 is crucial for clear sound delivery.

在大型礼堂中，回声衰减 对于清晰的声音传递至关重要。

4.The audio engineer adjusted the settings to improve the echo attenuation 回声衰减 in the recording studio.

音频工程师调整了设置，以改善录音室中的回声衰减。

5.To enhance communication in conference calls, we implemented echo attenuation 回声衰减 techniques.

为了增强会议电话中的沟通，我们实施了回声衰减技术。

作文

In the realm of acoustics and signal processing, the concept of echo attenuation plays a pivotal role in understanding how sound waves behave in different environments. Echo attenuation refers to the reduction in intensity of an echo as it travels back to the listener after bouncing off surfaces. This phenomenon is crucial in various applications, from architectural design to audio engineering, as it affects the clarity and quality of sound in a given space.When sound waves are produced, they travel outward in all directions until they encounter an object. Upon hitting a surface, some of the sound energy is reflected back, creating an echo. However, not all of the sound energy returns to the source; some is absorbed by the materials it encounters, leading to echo attenuation. The extent of this attenuation depends on several factors, including the distance the sound travels, the nature of the surfaces it interacts with, and the frequency of the sound itself.For instance, in a concert hall, architects must consider echo attenuation to ensure that music sounds harmonious and clear to the audience. Hard surfaces, like concrete and glass, may reflect sound effectively but can also lead to excessive echoes, making it difficult for listeners to discern different instruments. In contrast, softer materials, such as carpets and curtains, absorb sound waves, thereby enhancing echo attenuation and improving overall acoustics.Moreover, in outdoor environments, echo attenuation can vary significantly due to environmental factors. For example, sound traveling over water may experience less attenuation compared to sound traveling through dense vegetation. This variability poses challenges for sound engineers who must design systems that account for these differences, ensuring optimal audio performance in various settings.In telecommunications, echo attenuation is also a critical consideration. For example, when a person speaks into a phone, their voice travels through wires or air, and echoes can occur if there are delays in the transmission. These echoes can disrupt communication, making it difficult for both parties to understand each other. Engineers employ various techniques to minimize echo attenuation, such as using echo cancellers that help eliminate unwanted reverberations during calls.Furthermore, echo attenuation has implications in the field of sonar technology. Submarines and ships utilize sonar to detect objects underwater by emitting sound waves and measuring the time it takes for the echoes to return. Understanding echo attenuation allows operators to interpret the data accurately, determining the distance and size of objects based on how much sound energy is lost during its journey.In conclusion, echo attenuation is a fundamental concept that influences various fields, including architecture, telecommunications, and sonar technology. By comprehending how sound waves interact with different surfaces and environments, professionals can create better acoustic designs, improve communication systems, and enhance detection methods. As technology continues to evolve, the importance of understanding echo attenuation will only grow, paving the way for innovations that rely on the precise manipulation of sound.

在声学和信号处理领域，回声衰减的概念在理解声音波在不同环境中的行为方面发挥着关键作用。回声衰减是指回声在反弹到听众之前强度的减少。这一现象在建筑设计到音频工程等多个应用中至关重要，因为它影响了给定空间中声音的清晰度和质量。当声音波产生时，它们向外传播，直到遇到物体。撞击表面后，部分声能被反射回来，形成回声。然而，并非所有的声能都返回源头；一些声波被它们碰到的材料吸收，从而导致回声衰减。这种衰减的程度取决于几个因素，包括声音传播的距离、与之相互作用的表面的性质以及声音本身的频率。例如，在音乐厅中，建筑师必须考虑回声衰减以确保音乐对观众听起来和谐且清晰。硬表面，如混凝土和玻璃，可能有效地反射声音，但也可能导致过多的回声，使听众难以分辨不同的乐器。相比之下，较软的材料，如地毯和窗帘，可以吸收声波，从而增强回声衰减并改善整体声学效果。此外，在户外环境中，回声衰减可能会因环境因素而显著变化。例如，穿越水域的声音可能比穿越茂密植被的声音经历更少的衰减。这种变化给声学工程师带来了挑战，他们必须设计能够考虑这些差异的系统，以确保在各种环境中实现最佳音频性能。在电信领域，回声衰减也是一个关键考虑因素。例如，当一个人说话时，他们的声音通过电缆或空气传播，如果传输存在延迟，就可能发生回声。这些回声会干扰通信，使双方难以理解对方。工程师采用各种技术来最小化回声衰减，例如使用回声消除器，帮助消除通话期间不必要的混响。此外，回声衰减在声纳技术领域也有重要意义。潜艇和船只利用声纳通过发出声波并测量回声返回所需的时间来探测水下物体。理解回声衰减使操作员能够准确解读数据，根据声音在旅程中损失的声能来判断物体的距离和大小。总之，回声衰减是一个基本概念，影响多个领域，包括建筑、电信和声纳技术。通过理解声音波如何与不同表面和环境相互作用，专业人员可以创造更好的声学设计、改善通信系统和增强探测方法。随着技术的不断发展，理解回声衰减的重要性将只会增加，为依赖声音精确操控的创新铺平道路。