total harmonic ratio

简明释义

总谐波比

英英释义

Total harmonic ratio (THR) is a quantitative measure used in signal processing and acoustics to evaluate the harmonic distortion present in a waveform, calculated as the ratio of the sum of all harmonic components to the fundamental frequency component.

总谐波比(THR)是信号处理和声学中用于评估波形中存在的谐波失真的定量指标,计算方法为所有谐波分量之和与基频分量的比值。

例句

1.The musician was pleased to find that the total harmonic ratio of his instrument was very low.

音乐家很高兴发现他的乐器的总谐波比非常低。

2.To improve the acoustics of the hall, we analyzed the total harmonic ratio of various sound sources.

为了改善礼堂的声学效果,我们分析了各种声源的总谐波比

3.A lower total harmonic ratio indicates a cleaner signal in audio production.

较低的总谐波比表示音频制作中的信号更干净。

4.The audio engineer measured the total harmonic ratio to assess the sound quality of the recording.

音频工程师测量了总谐波比以评估录音的音质。

5.In electrical engineering, the total harmonic ratio is crucial for evaluating power quality.

在电气工程中,总谐波比对于评估电力质量至关重要。

作文

In the field of acoustics and signal processing, understanding the quality of sound is crucial. One of the key metrics used to evaluate sound quality is the total harmonic ratio, which is often abbreviated as THR. The total harmonic ratio (总谐波比) provides a measure of the harmonics present in a signal compared to its fundamental frequency. This ratio helps in assessing how much of the signal's energy is contained in the harmonic frequencies relative to the fundamental tone. The importance of the total harmonic ratio cannot be overstated, especially in applications such as music production, telecommunications, and even in the design of musical instruments. When a sound is produced, it is not just a single frequency; rather, it consists of a fundamental frequency and various harmonics that contribute to its tone quality. A higher total harmonic ratio indicates that the harmonics are more prominent, which can lead to a richer, fuller sound. Conversely, a lower ratio suggests that the sound is more pure and dominated by the fundamental frequency. For instance, consider a musical instrument like a violin. When played, the violin produces a fundamental frequency along with several harmonics. The total harmonic ratio of the sound produced can help musicians and sound engineers determine how to best capture and enhance the instrument’s tonal quality. A well-balanced total harmonic ratio can make the music sound more pleasing and harmonious, while an imbalanced ratio can lead to dissonance or an unpleasant listening experience.Moreover, the total harmonic ratio is also significant in the field of telecommunications. In voice transmission, for example, a clear and intelligible signal is essential. By analyzing the total harmonic ratio, engineers can identify issues related to distortion and noise that may affect the clarity of the transmitted voice. A high total harmonic ratio in this context might indicate that unwanted harmonics are interfering with the communication, prompting engineers to take corrective measures.In addition to its applications in music and telecommunications, the total harmonic ratio is also relevant in the design of audio equipment. Speakers, amplifiers, and microphones are all designed with consideration of their total harmonic ratio. High-quality audio equipment aims to reproduce sound with a favorable total harmonic ratio, ensuring that the output closely resembles the original sound source. For audiophiles, measuring the total harmonic ratio of their audio systems can be a crucial factor in determining sound fidelity.In conclusion, the total harmonic ratio serves as an essential tool in various fields that involve sound and signal processing. Whether in music, telecommunications, or audio equipment design, understanding and optimizing the total harmonic ratio can lead to improved sound quality and clarity. As technology continues to evolve, the importance of this metric will only grow, making it a vital concept for anyone involved in sound engineering or music production. By paying attention to the total harmonic ratio, we can enhance our auditory experiences and appreciate the complexity of sound in our daily lives.

在声学和信号处理领域,理解声音的质量至关重要。评估声音质量的关键指标之一是总谐波比,通常缩写为THR。总谐波比(总谐波比)提供了一种衡量信号中谐波与基频相比的存在程度的标准。这个比率有助于评估信号中能量包含在谐波频率中相对于基音的多少。总谐波比的重要性不容小觑,特别是在音乐制作、电信,甚至乐器设计等应用中。当产生声音时,它不仅仅是一个单一频率;而是由一个基频和几个谐波组成,这些谐波共同影响其音质。较高的总谐波比表明谐波更加突出,这可能导致更丰富、更饱满的声音。相反,较低的比率则表明声音更加纯净,主要由基频主导。例如,考虑一下小提琴这种乐器。当演奏时,小提琴会产生一个基频以及若干谐波。所产生声音的总谐波比可以帮助音乐家和音响工程师确定如何最好地捕捉和增强乐器的音色质量。良好的总谐波比可以使音乐听起来更悦耳和和谐,而不平衡的比率则可能导致不和谐或令人不快的听觉体验。此外,总谐波比在电信领域也很重要。在语音传输中,例如,清晰且易懂的信号至关重要。通过分析总谐波比,工程师可以识别可能影响传输语音清晰度的失真和噪声问题。在这种情况下,高的总谐波比可能表明不必要的谐波正在干扰通信,从而促使工程师采取纠正措施。除了在音乐和电信中的应用外,总谐波比在音频设备设计中也相关。扬声器、放大器和麦克风的设计都考虑了它们的总谐波比。高质量的音频设备旨在以有利的总谐波比重现声音,确保输出与原始声源尽可能接近。对于音响爱好者而言,测量其音频系统的总谐波比可以成为决定声音保真度的关键因素。总之,总谐波比在涉及声音和信号处理的各个领域中都是一种重要工具。无论是在音乐、电信还是音频设备设计中,理解和优化总谐波比都可以改善声音质量和清晰度。随着技术的不断发展,这一指标的重要性只会增加,使其成为任何参与声音工程或音乐制作的人都必须掌握的概念。通过关注总谐波比,我们可以提升我们的听觉体验,欣赏日常生活中声音的复杂性。

相关单词

harmonic

harmonic详解:怎么读、什么意思、用法

ratio

ratio详解:怎么读、什么意思、用法