amplitude envelope

简明释义

振幅包络;

英英释义

例句

1.In synthesizer programming, the amplitude envelope is crucial for shaping the sound's attack and decay.

在合成器编程中，振幅包络对于塑造声音的起音和衰减至关重要。

2.The sound engineer adjusted the amplitude envelope to enhance the clarity of the vocals.

音响工程师调整了振幅包络以增强人声的清晰度。

3.A slow attack in the amplitude envelope creates a smoother sound transition.

在振幅包络中缓慢的起音会创造出更平滑的声音过渡。

4.Adjusting the amplitude envelope can drastically change the character of a sound.

调整振幅包络可以大幅改变声音的特性。

5.The amplitude envelope of the waveform determines how the sound evolves over time.

振幅包络决定了波形声音随时间演变的方式。

作文

In the realm of audio engineering and sound design, understanding the concept of the amplitude envelope is crucial for creating dynamic and engaging soundscapes. The amplitude envelope refers to the variation in amplitude of a sound signal over time. It is composed of four main stages: attack, decay, sustain, and release, commonly abbreviated as ADSR. Each of these stages plays a significant role in shaping how a sound is perceived by the listener.Firstly, the attack phase is the initial segment of the amplitude envelope, where the sound reaches its peak intensity. This phase can vary in duration; a quick attack creates a sharp sound, while a slow attack results in a more gradual onset. For instance, a piano note has a relatively fast attack, whereas a violin may have a slower attack as the bow is drawn across the strings.Next comes the decay phase, during which the sound's amplitude decreases from its peak level to a lower level known as the sustain level. This phase is essential for adding character to the sound. A fast decay can give a sound a percussive quality, while a slower decay can create a smoother transition between the attack and sustain phases.The sustain phase follows, where the sound maintains a steady amplitude for a certain duration. This stage is crucial for sounds that need to be held, such as a sustained note on a synthesizer or a vocal line. The level of sustain can greatly affect the emotional impact of the sound; a high sustain level can evoke feelings of calmness, while a low sustain level can create tension.Finally, we have the release phase, which occurs after the key is released or the sound source stops producing sound. The release time determines how quickly the sound fades away. A quick release will make the sound disappear abruptly, while a slow release allows the sound to linger, creating a more atmospheric effect.Understanding the amplitude envelope is not only important for musicians and sound designers but also for anyone interested in audio production. By manipulating the ADSR parameters, one can create a wide variety of sounds, from punchy percussion to lush pads. For example, in electronic music, producers often tweak the amplitude envelope to achieve specific sound characteristics that fit their creative vision.Moreover, the amplitude envelope can also be applied in various contexts beyond music, such as in speech and environmental sounds. In speech, the amplitude envelope helps convey emotion and emphasis, allowing listeners to interpret subtle cues in communication. Similarly, natural sounds, like the rustle of leaves or the crash of waves, exhibit unique amplitude envelopes that contribute to the overall auditory experience of a given environment.In conclusion, the amplitude envelope is a fundamental aspect of sound that shapes our listening experiences. By mastering the principles of the amplitude envelope, individuals can enhance their audio creations and better understand the intricate nature of sound. Whether in music production, sound design, or everyday listening, the amplitude envelope plays a vital role in how we perceive and interact with sound in our world.

在音频工程和声音设计的领域中，理解“幅度包络”的概念对于创造动态和引人入胜的声景至关重要。“幅度包络”指的是声音信号随时间变化的幅度。它由四个主要阶段组成：攻击、衰减、持续和释放，通常缩写为ADSR。每个阶段在塑造声音被听众感知的方式上都扮演着重要角色。首先，攻击阶段是“幅度包络”的初始部分，在这个阶段，声音达到其峰值强度。这个阶段的持续时间可以变化；快速的攻击会产生尖锐的声音，而缓慢的攻击则会导致更渐进的开始。例如，钢琴音符的攻击相对较快，而小提琴可能有较慢的攻击，因为弓在弦上移动。接下来是衰减阶段，在此阶段，声音的幅度从峰值水平降低到称为持续水平的较低水平。这个阶段对于增加声音的特征至关重要。快速的衰减可以赋予声音一种打击感，而较慢的衰减则可以在攻击和持续阶段之间创建更平滑的过渡。然后是持续阶段，在这一阶段，声音在一定时间内保持稳定的幅度。这个阶段对于需要保持的声音至关重要，例如合成器上的持续音符或人声线条。持续水平的高低会极大地影响声音的情感冲击；高持续水平可以唤起平静的感觉，而低持续水平则可以造成紧张感。最后，我们有释放阶段，当按键被释放或声音源停止发出声音时发生。释放时间决定了声音消失的速度。快速的释放将使声音突然消失，而缓慢的释放则允许声音持续，创造出更具氛围的效果。理解“幅度包络”不仅对音乐家和声音设计师重要，还对任何对音频制作感兴趣的人来说都是如此。通过操控ADSR参数，人们可以创造出各种各样的声音，从有力的打击乐到丰富的合成音。例如，在电子音乐中，制作人常常调整“幅度包络”以实现符合他们创意愿景的特定声音特性。此外，“幅度包络”也可以应用于音乐之外的各种背景，如语音和环境声音。在语音中，“幅度包络”有助于传达情感和强调，使听众能够解读交流中的微妙线索。同样，自然声音，如树叶的沙沙声或海浪的拍打声，也展现出独特的“幅度包络”，为给定环境的整体听觉体验做出贡献。总之，“幅度包络”是声音的一个基本方面，塑造了我们的听觉体验。通过掌握“幅度包络”的原理，个人可以增强他们的音频创作，并更好地理解声音的复杂特性。无论是在音乐制作、声音设计还是日常听觉中，“幅度包络”在我们如何感知和与我们世界中的声音互动方面都发挥着至关重要的作用。