octave band

简明释义

倍频带

英英释义

例句

1.The sound levels were measured across each octave band to determine the overall noise pollution in the area.

在每个八度带中测量声音水平，以确定该地区的整体噪音污染。

2.An analysis of the octave band frequencies revealed that most disturbances were in the lower range.

对八度带频率的分析显示，大多数干扰发生在较低范围内。

3.The audio engineer adjusted the equalizer settings for each octave band to enhance sound quality.

音频工程师调整了每个八度带的均衡器设置，以提升音质。

4.In environmental studies, it is common to present data in octave bands for clearer interpretation.

在环境研究中，通常以八度带的形式呈现数据，以便更清晰地解读。

5.When designing a concert hall, architects must consider the acoustics of each octave band.

在设计音乐厅时，建筑师必须考虑每个八度带的声学效果。

作文

The concept of the octave band is crucial in the field of acoustics and sound measurement. An octave band refers to a range of frequencies that are divided into octaves, where each octave represents a doubling of frequency. For instance, if we take the frequency of 100 Hz as our starting point, the next octave would be 200 Hz, followed by 400 Hz, and so on. This logarithmic scale is particularly useful because it aligns with how humans perceive sound; our ears are more sensitive to changes in lower frequencies than higher ones. Understanding octave bands is essential for various applications including audio engineering, environmental noise assessments, and architectural acoustics. In audio engineering, for example, sound engineers often use octave bands to analyze and equalize sound systems. By breaking down complex sounds into manageable frequency ranges, they can identify which frequencies may need enhancement or reduction. This process ensures that music and speech are clear and balanced when played through speakers.In environmental noise assessments, octave bands help in measuring and mitigating noise pollution. Different sources of noise, such as traffic, construction, or industrial activities, produce sound at various frequencies. By measuring these sounds in octave bands, professionals can determine which frequencies are most prevalent and potentially harmful to human health and well-being. This information is vital for creating regulations and implementing noise control measures in urban planning.Architectural acoustics also heavily relies on the concept of octave bands. When designing concert halls or theaters, architects must consider how sound waves travel and interact within a space. By analyzing the acoustics in octave bands, they can optimize the design to enhance sound quality, ensuring that audiences experience music and performances in the best possible way. This involves careful consideration of materials, shapes, and layouts that affect sound reflection and absorption.Moreover, the use of octave bands extends beyond just technical fields; it plays a role in everyday life as well. For instance, when we listen to music or watch movies, the sound we hear is composed of numerous frequencies. Understanding how these frequencies are categorized into octave bands allows us to appreciate the richness of sound and the skill involved in sound production. It can also help us understand why certain genres of music or types of sound may resonate more with us than others.In conclusion, the octave band is a fundamental concept that serves multiple purposes across various fields. Its significance in acoustics, audio engineering, environmental studies, and architectural design highlights the importance of sound in our lives. By breaking down sound into octave bands, we gain valuable insights that enhance our understanding of auditory experiences, improve our environments, and enrich our enjoyment of music and sound. As technology continues to advance, the applications and relevance of octave bands will undoubtedly evolve, further emphasizing their importance in both scientific and artistic domains.

“八度带”的概念在声学和声音测量领域至关重要。八度带是指将频率分为八度的范围，其中每个八度代表频率的加倍。例如，如果我们以100赫兹作为起始频率，下一个八度就是200赫兹，然后是400赫兹，依此类推。这种对数尺度特别有用，因为它与人类感知声音的方式相一致；我们的耳朵对低频的变化比对高频的变化更敏感。理解八度带对于音频工程、环境噪声评估和建筑声学等各种应用至关重要。例如，在音频工程中，声音工程师通常使用八度带来分析和均衡音响系统。通过将复杂的声音分解为可管理的频率范围，他们可以识别出哪些频率需要增强或减少。这个过程确保音乐和语言在扬声器播放时清晰平衡。在环境噪声评估中，八度带有助于测量和减轻噪声污染。不同的噪声源，如交通、建筑或工业活动，会产生不同频率的声音。通过在八度带中测量这些声音，专业人员可以确定哪些频率最为显著，并可能对人类健康和福祉造成危害。这些信息对于制定法规和在城市规划中实施噪声控制措施至关重要。建筑声学也严重依赖于八度带的概念。在设计音乐厅或剧院时，建筑师必须考虑声音波如何在空间中传播和相互作用。通过分析八度带中的声学，他们可以优化设计以增强声音质量，确保观众以最佳方式体验音乐和表演。这涉及到对影响声音反射和吸收的材料、形状和布局的仔细考虑。此外，八度带的使用不仅限于技术领域；它在日常生活中也发挥着作用。例如，当我们听音乐或看电影时，我们听到的声音由无数频率组成。理解这些频率如何被分类为八度带使我们能够欣赏声音的丰富性以及声音制作中的技巧。它还可以帮助我们理解为什么某些音乐类型或声音可能更能引起我们的共鸣。总之，八度带是一个基本概念，在多个领域发挥着多重作用。它在声学、音频工程、环境研究和建筑设计中的重要性突显了声音在我们生活中的重要性。通过将声音分解为八度带，我们获得了有价值的见解，这些见解增强了我们对听觉体验的理解，改善了我们的环境，丰富了我们对音乐和声音的享受。随着技术的不断进步，八度带的应用和相关性无疑会不断发展，进一步强调其在科学和艺术领域的重要性。