audio bandwidth

简明释义

音频带宽

英英释义

例句

1.To improve streaming quality, we need to increase the audio bandwidth (音频带宽) for our online classes.

为了提高流媒体质量，我们需要增加我们的在线课程的音频带宽（音频带宽）。

2.A higher audio bandwidth (音频带宽) allows for better clarity in music playback.

更高的音频带宽（音频带宽）可以提高音乐播放的清晰度。

3.Some older devices may struggle with the required audio bandwidth (音频带宽) for modern audio formats.

一些旧设备可能难以处理现代音频格式所需的音频带宽（音频带宽）。

4.The quality of the sound in the video conference was affected by the limited audio bandwidth (音频带宽) available.

视频会议中的声音质量受到可用的有限音频带宽（音频带宽）的影响。

5.When recording, ensure your equipment supports the necessary audio bandwidth (音频带宽) for optimal sound quality.

在录音时，确保您的设备支持所需的音频带宽（音频带宽），以获得最佳音质。

作文

In the realm of audio technology, understanding the concept of audio bandwidth is crucial for both professionals and enthusiasts alike. Audio bandwidth refers to the range of frequencies that an audio signal can effectively transmit or reproduce. This range is typically measured in Hertz (Hz) and encompasses the lowest to the highest frequencies that can be heard by the human ear, which generally spans from about 20 Hz to 20,000 Hz. However, different applications may require different bandwidths, making it essential to grasp this concept fully.When we consider various audio devices, such as speakers, headphones, and microphones, the audio bandwidth they offer can significantly affect sound quality. For instance, a high-quality speaker designed for music playback will have a wider audio bandwidth, enabling it to reproduce deep bass notes as well as crisp high frequencies. This capability allows listeners to experience music as it was intended, with all its richness and detail. Conversely, a device with a limited audio bandwidth might struggle to accurately reproduce certain sounds, leading to a less satisfying listening experience.Moreover, the importance of audio bandwidth extends beyond just playback devices. In recording studios, engineers pay close attention to the audio bandwidth of microphones and mixing consoles. A microphone with a broad audio bandwidth can capture a wide array of sounds, making it ideal for recording vocals or instruments that produce a full spectrum of frequencies. This characteristic ensures that the final mix retains the nuances and subtleties of the original performance.In addition to hardware considerations, the audio bandwidth also plays a vital role in digital audio processing. When audio signals are digitized, they must be sampled at rates that accommodate their audio bandwidth. According to the Nyquist theorem, the sampling rate must be at least twice the highest frequency present in the signal to avoid distortion and ensure accurate reproduction. This principle highlights the necessity of understanding audio bandwidth when working with digital audio technologies, such as music production software and streaming services.Furthermore, the evolution of audio compression formats has introduced new challenges and opportunities regarding audio bandwidth. Compressed audio files, such as MP3s, reduce file size by eliminating certain frequencies, which can impact the overall sound quality. While this trade-off allows for easier storage and streaming, it raises questions about the acceptable limits of audio bandwidth in various contexts. Audiophiles often debate the merits of lossless formats, which preserve the full audio bandwidth of recordings, against lossy formats that prioritize convenience.In conclusion, the concept of audio bandwidth is fundamental to understanding audio technology and its applications. Whether it is in the design of equipment, the process of recording, or the delivery of digital audio, audio bandwidth affects how we perceive and enjoy sound. As technology continues to advance, staying informed about audio bandwidth will enable us to make better choices in our audio experiences, ensuring that we appreciate music and sound in all their complexity and beauty.

在音频技术领域，理解音频带宽的概念对于专业人士和爱好者来说都是至关重要的。音频带宽指的是音频信号可以有效传输或再现的频率范围。这个范围通常以赫兹（Hz）为单位测量，涵盖了人耳能够听到的最低频率到最高频率，一般从大约20 Hz到20,000 Hz。然而，不同的应用可能需要不同的带宽，因此充分掌握这一概念是非常必要的。当我们考虑各种音频设备，如扬声器、耳机和麦克风时，它们提供的音频带宽会显著影响音质。例如，专为音乐播放设计的高质量扬声器将具有更宽的音频带宽，使其能够再现深沉的低音和清晰的高频。这种能力使听众能够体验到音乐的原始意图，感受到其丰富性和细节。相反，带宽有限的设备可能难以准确再现某些声音，从而导致不太令人满意的听觉体验。此外，音频带宽的重要性超越了播放设备。在录音室中，工程师非常关注麦克风和混音台的音频带宽。具有广泛音频带宽的麦克风可以捕捉到各种声音，非常适合录制人声或产生全频谱声音的乐器。这一特性确保最终混音保留了原始表演的细微差别和细节。除了硬件考虑，音频带宽在数字音频处理中的作用也至关重要。当音频信号被数字化时，必须以能够容纳其音频带宽的采样率进行采样。根据奈奎斯特定理，采样率必须至少是信号中最高频率的两倍，以避免失真并确保准确再现。这个原理强调了在使用数字音频技术（如音乐制作软件和流媒体服务）时理解音频带宽的必要性。此外，音频压缩格式的发展给音频带宽带来了新的挑战和机遇。压缩音频文件（如MP3）通过消除某些频率来减少文件大小，这可能影响整体音质。虽然这种权衡允许更容易的存储和流媒体，但它引发了关于在各种上下文中可接受的音频带宽限制的问题。音响发烧友经常辩论无损格式的优点，这些格式保留了录音的完整音频带宽，与优先考虑便利性的有损格式之间的差异。总之，音频带宽的概念是理解音频技术及其应用的基础。无论是在设备设计、录音过程还是数字音频传输中，音频带宽都影响着我们如何感知和享受声音。随着技术的不断进步，了解音频带宽将使我们能够在音频体验中做出更好的选择，确保我们欣赏音乐和声音的复杂性与美感。