audio signal

简明释义

音频信号

英英释义

例句

1.To improve sound quality, we need to enhance the audio signal 音频信号 before transmission.

为了改善音质，我们需要在传输之前增强音频信号。

2.We need to analyze the audio signal 音频信号 to identify any background noise.

我们需要分析音频信号以识别任何背景噪音。

3.The microphone converts sound waves into an audio signal 音频信号 that can be recorded.

麦克风将声波转换为可以录制的音频信号。

4.The audio signal 音频信号 was distorted due to interference from other devices.

由于其他设备的干扰，音频信号失真了。

5.An amplifier boosts the audio signal 音频信号 so that it can drive larger speakers.

放大器增强音频信号，以便驱动更大的扬声器。

作文

In today's digital age, the concept of an audio signal (音频信号) plays a crucial role in our daily lives. From music streaming services to video conferencing applications, audio signals are the backbone of effective communication and entertainment. Understanding what an audio signal is and how it functions can enhance our appreciation of technology and its impact on society.An audio signal is essentially an electrical representation of sound. It is created when sound waves, which are vibrations traveling through the air, are captured by a microphone. The microphone converts these sound waves into an electrical signal that can be processed, transmitted, or recorded. This process is fundamental to various applications, including broadcasting, recording, and telecommunications.The quality of an audio signal is determined by several factors, including the sampling rate and bit depth. The sampling rate refers to how many times per second the audio is sampled, while bit depth indicates the number of bits used to represent each sample. Higher values in both parameters result in better sound quality, as they allow for more detailed and accurate representations of the original sound.Once an audio signal is generated, it can be manipulated and altered using various audio processing techniques. For instance, equalization can adjust the balance of different frequency components within the signal, enhancing or reducing certain aspects of the audio. Compression can control the dynamic range of the audio signal, making quiet sounds louder and loud sounds quieter. These techniques are widely used in music production, film editing, and live sound reinforcement to achieve the desired auditory experience.Transmission of audio signals has evolved significantly over the years. Initially, analog methods dominated the landscape, where sound was transmitted through physical media such as vinyl records or magnetic tapes. However, with the advent of digital technology, audio signals can now be compressed and transmitted over the internet, allowing for streaming services like Spotify and Apple Music to thrive. This shift has not only made music more accessible but has also changed how artists distribute their work and connect with fans.Furthermore, the rise of Voice over Internet Protocol (VoIP) has revolutionized communication. Applications like Skype and Zoom utilize audio signals to facilitate real-time conversations across the globe. The ability to transmit high-quality audio signals over long distances has made remote work and virtual meetings commonplace, especially in the wake of recent global events that have pushed many to adopt digital solutions.In conclusion, the significance of audio signals in our modern world cannot be overstated. They are integral to how we consume media and communicate with one another. As technology continues to advance, the way we generate, manipulate, and transmit audio signals will also evolve, leading to new possibilities and experiences. Understanding the fundamentals of audio signals empowers us to appreciate the intricate world of sound and the technology that brings it to life.

在当今数字时代，音频信号（audio signal）的概念在我们的日常生活中扮演着至关重要的角色。从音乐流媒体服务到视频会议应用程序，音频信号是有效沟通和娱乐的基础。理解什么是音频信号以及它如何运作，可以增强我们对技术及其对社会影响的欣赏。音频信号本质上是声音的电气表示。当声音波——即通过空气传播的振动——被麦克风捕捉时，就会产生音频信号。麦克风将这些声波转换为可以处理、传输或记录的电信号。这个过程对于广播、录音和电信等各种应用都是根本性的。音频信号的质量由多个因素决定，包括采样率和位深度。采样率指的是每秒采样的次数，而位深度则表示用于表示每个样本的位数。两者参数的较高值会导致更好的音质，因为它们允许对原始声音进行更详细和准确的表征。一旦生成音频信号，就可以使用各种音频处理技术对其进行操作和修改。例如，均衡可以调整信号中不同频率成分的平衡，增强或减少音频的某些方面。压缩可以控制音频信号的动态范围，使安静的声音变得更响亮，而响亮的声音变得更安静。这些技术在音乐制作、电影编辑和现场声音增强中被广泛使用，以实现所需的听觉体验。音频信号的传输经历了显著的演变。最初，模拟方法主导了这一领域，声音通过物理介质如黑胶唱片或磁带进行传输。然而，随着数字技术的出现，音频信号现在可以被压缩并通过互联网传输，使得像Spotify和Apple Music这样的流媒体服务蓬勃发展。这一转变不仅使音乐更易于获取，而且改变了艺术家分发他们的作品和与粉丝联系的方式。此外，互联网协议语音（VoIP）的兴起彻底改变了通信。像Skype和Zoom这样的应用程序利用音频信号促进全球实时对话。能够高质量地传输音频信号使得远程工作和虚拟会议变得普遍，尤其是在最近全球事件的推动下，许多人被迫采用数字解决方案。总之，音频信号在我们现代世界中的重要性不容小觑。它们是我们消费媒体和彼此沟通的基础。随着技术的不断进步，我们生成、操作和传输音频信号的方式也将不断演变，从而带来新的可能性和体验。理解音频信号的基本原理使我们能够欣赏声音的复杂世界以及将其带入生活的技术。