audio-frequency amplifier

简明释义

声频放大器音频放大器

英英释义

例句

1.When setting up a home theater, an audio-frequency amplifier is essential for achieving high-quality sound.

在设置家庭影院时，音频频率放大器对于获得高质量的声音是必不可少的。

2.For audiophiles, investing in a high-quality audio-frequency amplifier can significantly improve listening experiences.

对于音响爱好者来说，投资一个高质量的音频频率放大器可以显著改善听音体验。

3.Many modern speakers come with built-in audio-frequency amplifiers for better performance.

许多现代扬声器配备了内置的音频频率放大器以提高性能。

4.The band used an audio-frequency amplifier to enhance the sound quality during their live performance.

乐队在现场演出中使用了一个音频频率放大器来增强音质。

5.The technician adjusted the audio-frequency amplifier to eliminate any unwanted noise in the recording.

技术人员调整了音频频率放大器以消除录音中的任何噪音。

作文

In the world of audio technology, the term audio-frequency amplifier refers to a device that amplifies electrical signals within the audio frequency range, typically from 20 Hz to 20 kHz. This range encompasses the frequencies that are audible to the human ear, making the audio-frequency amplifier an essential component in various audio systems. From home theater setups to professional sound systems, these amplifiers play a crucial role in delivering high-quality sound.The primary function of an audio-frequency amplifier is to increase the power of audio signals so that they can drive speakers effectively. When an audio signal is generated, it often starts as a weak electrical pulse. Without amplification, this signal would not be strong enough to produce sound at a desirable volume. The audio-frequency amplifier takes this weak signal and boosts it, ensuring that the resulting sound is clear and powerful.Moreover, there are different types of audio-frequency amplifiers designed for specific applications. For instance, a class A amplifier is known for its high fidelity and low distortion, making it ideal for high-end audio applications. On the other hand, class D amplifiers are more efficient and are commonly used in portable devices and subwoofers due to their ability to deliver high output power with minimal heat generation.Understanding the importance of an audio-frequency amplifier goes beyond just knowing its function. It is also essential to recognize how it interacts with other components in an audio system. For example, the quality of the source signal, the type of speakers used, and even the acoustics of the room can all affect the performance of the audio-frequency amplifier. Therefore, selecting the right amplifier requires careful consideration of these factors to achieve the best audio experience.In addition to home and professional audio setups, audio-frequency amplifiers are also used in various other applications, such as musical instruments and public address systems. Electric guitars, for example, rely on amplifiers to enhance their sound. The audio-frequency amplifier takes the weak signal produced by the guitar's pickups and amplifies it, allowing the musician to project their sound in larger venues.Furthermore, advancements in technology have led to the development of digital audio-frequency amplifiers, which offer additional features such as built-in equalization and digital signal processing. These modern amplifiers provide users with greater control over their audio output, allowing for customized sound profiles tailored to individual preferences.In conclusion, the audio-frequency amplifier is a vital component in the realm of audio technology. Its ability to amplify sound signals ensures that we can enjoy music, movies, and other audio content at optimal levels. Whether in a simple home setup or a complex professional system, understanding the role of the audio-frequency amplifier helps us appreciate the intricacies of sound reproduction and the technology behind it. As audio technology continues to evolve, the significance of the audio-frequency amplifier will undoubtedly remain prominent, shaping how we experience sound for years to come.

在音频技术的世界中，术语音频频率放大器指的是一种在音频频率范围内放大电信号的设备，通常从20赫兹到20千赫兹。这个范围包括人耳可听到的频率，使得音频频率放大器成为各种音频系统中不可或缺的组成部分。从家庭影院设置到专业音响系统，这些放大器在提供高质量声音方面发挥着至关重要的作用。音频频率放大器的主要功能是增强音频信号的功率，以便能够有效驱动扬声器。当音频信号生成时，它通常以微弱的电脉冲开始。如果没有放大，这个信号将不足以产生所需音量的声音。音频频率放大器接收这个微弱的信号并进行增强，确保最终产生的声音清晰而强大。此外，还有不同类型的音频频率放大器，专为特定应用设计。例如，A类放大器因其高保真度和低失真而闻名，适合高端音频应用。另一方面，D类放大器更高效，通常用于便携式设备和低音炮，因为它们能够以最小的热量产生高输出功率。理解音频频率放大器的重要性不仅仅是了解其功能。还必须认识到它如何与音频系统中的其他组件相互作用。例如，源信号的质量、使用的扬声器类型，以及房间的声学特性都可能影响音频频率放大器的性能。因此，选择合适的放大器需要仔细考虑这些因素，以实现最佳的音频体验。除了家庭和专业音频设置，音频频率放大器还用于各种其他应用，如乐器和公共广播系统。例如，电吉他依赖放大器来增强其声音。音频频率放大器接收吉他的拾音器产生的微弱信号并进行放大，使音乐家能够在更大的场地中投射他们的声音。此外，技术的进步导致数字音频频率放大器的发展，这些放大器提供了额外的功能，如内置均衡和数字信号处理。这些现代放大器为用户提供了更大的音频输出控制，允许根据个人偏好定制声音配置文件。总之，音频频率放大器是音频技术领域的重要组成部分。其放大声音信号的能力确保我们可以以最佳水平享受音乐、电影和其他音频内容。无论是在简单的家庭设置还是复杂的专业系统中，理解音频频率放大器的作用帮助我们欣赏声音再现的复杂性及其背后的技术。随着音频技术的不断发展，音频频率放大器的重要性无疑将继续突出，塑造我们未来多年的声音体验。