modulation envelope

简明释义

调制包络线

英英释义

例句

1.In audio processing, the shape of the sound wave is often defined by its modulation envelope, which influences how we perceive volume changes over time.

在音频处理中，声音波形的形状通常由其调制包络定义，这影响我们对音量随时间变化的感知。

2.Artists often manipulate the modulation envelope to create unique sound textures in their compositions.

艺术家们常常操控调制包络来在他们的作品中创造独特的声音纹理。

3.The modulation envelope is crucial in synthesizing sounds that evolve over time, such as pads and leads.

在合成随时间演变的声音（如垫音和主音）时，调制包络是至关重要的。

4.In telecommunications, the modulation envelope represents the variation in amplitude of a signal, which is essential for data transmission.

在电信中，调制包络表示信号幅度的变化，这对数据传输至关重要。

5.Understanding the modulation envelope can help sound engineers create more dynamic and engaging mixes.

理解调制包络可以帮助音响工程师制作出更具动态和吸引力的混音。

作文

In the realm of audio engineering and telecommunications, the concept of modulation envelope plays a crucial role in shaping how signals are transmitted and perceived. The term refers to the smooth curve that outlines the extremes of an amplitude-modulated signal, essentially defining the overall shape of the waveform over time. Understanding the modulation envelope is essential for engineers and musicians alike, as it directly influences the clarity, dynamics, and emotional impact of sound. To comprehend the significance of the modulation envelope, one must first grasp the basics of modulation itself. Modulation is a technique used to encode information onto a carrier wave, which can be done in various forms such as amplitude modulation (AM), frequency modulation (FM), or phase modulation (PM). Among these, AM is perhaps the most straightforward, where the amplitude of the carrier wave is varied in accordance with the input signal. The modulation envelope in this context represents the varying amplitude of the carrier wave, providing a visual representation of how the signal changes over time. For instance, consider a simple audio signal, like a musical note played on a guitar. When the note is struck, the initial transient creates a sharp peak in amplitude followed by a gradual decay. The modulation envelope captures this dynamic behavior, illustrating how the sound evolves from its attack phase, through its sustain, and finally into its release. This envelope is critical in music production, as it helps sound designers manipulate the characteristics of sounds to achieve desired effects. Moreover, the modulation envelope is not only relevant in music but also in various fields such as telecommunications, where it aids in the transmission of data over radio waves. In digital communication systems, understanding the modulation envelope allows engineers to optimize signal integrity, minimizing distortion and maximizing clarity. For example, in a digital audio broadcast, the modulation envelope ensures that the transmitted signal maintains its quality over long distances, enabling listeners to enjoy clear and consistent audio. The practical applications of the modulation envelope extend beyond technical fields; they also influence how we perceive sound in everyday life. For instance, the way a singer delivers a performance can significantly affect the emotional response of the audience. A well-executed modulation envelope in vocal delivery can convey feelings of excitement, sadness, or nostalgia, enhancing the overall experience of the listener. In conclusion, the modulation envelope is a fundamental concept in both audio engineering and communication technologies. Its ability to define the characteristics of a sound wave makes it indispensable for musicians, sound designers, and engineers. By mastering the principles surrounding the modulation envelope, individuals can enhance their creative endeavors and improve the quality of audio experiences. Whether in a studio setting or through the airwaves, the impact of the modulation envelope is profound, shaping the way we interact with sound and technology. Understanding the modulation envelope is not just about technical knowledge; it is about appreciating the art of sound and its powerful influence on our emotions and perceptions. As technology continues to evolve, so too will our understanding of these concepts, paving the way for new innovations in sound design and communication.

在音频工程和电信领域，调制包络的概念在塑造信号的传输和感知方面发挥着至关重要的作用。这个术语指的是勾勒出幅度调制信号极限的平滑曲线，本质上定义了波形随时间变化的整体形状。理解调制包络对于工程师和音乐家来说都是必不可少的，因为它直接影响到声音的清晰度、动态效果和情感冲击力。 要理解调制包络的重要性，首先必须掌握调制的基本知识。调制是一种将信息编码到载波波形上的技术，可以通过各种形式进行，例如幅度调制（AM）、频率调制（FM）或相位调制（PM）。其中，AM可能是最简单的，在这种情况下，载波波形的幅度根据输入信号的变化而变化。在这种背景下，调制包络表示载波波形的变化幅度，提供了信号随时间变化的可视化表示。 例如，考虑一个简单的音频信号，比如吉他演奏的音符。当音符被击打时，初始瞬态会在幅度上产生一个尖锐的峰值，随后逐渐衰减。调制包络捕捉到这种动态行为，展示了声音如何从其攻击阶段演变到持续阶段，最后进入释放阶段。这个包络在音乐制作中至关重要，因为它帮助声音设计师操纵声音的特征，以实现所需的效果。 此外，调制包络不仅在音乐中相关，也在电信等各个领域中发挥作用，帮助数据通过无线电波传输。在数字通信系统中，理解调制包络使工程师能够优化信号完整性，最小化失真并最大化清晰度。例如，在数字音频广播中，调制包络确保传输的信号在长距离内保持质量，使听众能够享受清晰和一致的音频体验。 调制包络的实际应用超越了技术领域，它们也影响着我们在日常生活中对声音的感知。例如，歌手的表演方式可以显著影响观众的情感反应。精心执行的调制包络在声乐表达中可以传达兴奋、悲伤或怀旧的情感，增强听众的整体体验。 总之，调制包络是音频工程和通信技术中的基本概念。它定义声音波形特征的能力使其对音乐家、声音设计师和工程师来说不可或缺。通过掌握围绕调制包络的原则，个人可以提升他们的创作努力，提高音频体验的质量。无论是在录音室环境中还是通过无线电波，调制包络的影响都是深远的，塑造了我们与声音和技术的互动方式。 理解调制包络不仅仅是关于技术知识；它还涉及欣赏声音艺术及其对我们情感和感知的强大影响。随着技术的不断发展，我们对这些概念的理解也将不断深化，为声音设计和通信的新创新铺平道路。