psychoacoustic

简明释义

英[ˌsaɪ.kəʊ.əˈkuː.stɪk]美[ˌsaɪ.kəˈæ.kstɪk]

adj. 心理声学的

英英释义

单词用法

同义词

反义词

例句

1.By analyzing human physiological audio system and its masking effect, this paper illustrates the psychoacoustic model in audio part of the ISO video coding standard MPEG1.

介绍了人耳生理系统和掩蔽效应的特性，并阐述了视音频压缩标准MPEG1音频部分的心理声学模型。

2.And we summarize the character of the human auditory system, especially the psychoacoustic modal.

总结了人类听觉系统的特点，特别是人类听觉的感知特征以及心理声学模型。

3.Some of the traditional psychoacoustic concerns involve the perception of pitch, loudness, volume and timbre.

一些传统的心理声学注重对音高、响度与音色的感觉。

4.Based on the psychoacoustic theory and experiments this paper presents an auditory sense model which simulates the characteristics of human sense of hearing speech loudness.

本文提出了一个基于心理声学理论和实验的听觉感知模型，它模拟了人对声音响度的听觉感知特征。

5.Secondly, introduces MP3 audio compress standard including subband filter bank, psychoacoustic model, adaptive window switch over, Huffman coding, bit reservior, etc.

其次，介绍了MP3音频压缩标准所使用的子带编码、心里声学模型、自适应窗口切换、哈夫曼编码、比特池等关键技术。

6.However, the audio coding technology for ultra wideband mostly USES perceptual coding which is based on the psychoacoustic model.

而带宽范围较宽的音频编码采用的则多是基于心理声学的感知编码技术。

7.Simultaneous masking which is an important research content of psychoacoustic, have a wide range of applications in audio coding, speech enhancement and so on.

同时掩蔽是心理声学的重要研究内容，在音频压缩编码、语音增强等方面有着广泛的应用。

8.We research on MPEG-4 AAC encoding standards and the algorithm principium. The key point is optimizing the psychoacoustic model module, filter Banks module and quantizer module.

根据MPEG - 4AAC编码标准及对算法的基本原理的分析研究，算法优化的关键点在于心理声学模型、滤波器组和量化等模块。

9.The psychoacoustic 心理声学 model helps in predicting how sounds will be perceived in different environments.

该心理声学模型有助于预测声音在不同环境中的感知方式。

10.Engineers often apply psychoacoustic 心理声学 theories to design better audio systems.

工程师们常常应用心理声学理论来设计更好的音频系统。

11.By understanding psychoacoustic 心理声学, sound designers can create more immersive experiences.

通过理解心理声学，音效设计师可以创造更具沉浸感的体验。

12.In music production, psychoacoustic 心理声学 effects can be used to enhance the listening experience.

在音乐制作中，可以利用心理声学效果来增强听觉体验。

13.The study of psychoacoustic 心理声学 principles helps us understand how humans perceive sound.

对心理声学原理的研究帮助我们理解人类如何感知声音。

作文

In the field of audio engineering and sound design, the term psychoacoustic refers to the study of how humans perceive sound. This branch of science combines elements of psychology and acoustics to understand the intricate ways in which sound waves interact with the auditory system and the brain. By exploring the principles of psychoacoustic phenomena, researchers can gain insights into how we experience different frequencies, volumes, and sound textures. For instance, the perception of loudness is not solely determined by the physical intensity of a sound wave; rather, it is influenced by various factors including the frequency of the sound and the surrounding noise environment.One fascinating aspect of psychoacoustic research is the concept of masking. Masking occurs when the presence of one sound makes another sound less audible. This phenomenon is particularly relevant in music production and broadcasting, where understanding how different sounds interact can lead to more effective mixing and mastering techniques. For example, a loud bass line may mask the subtler details of a vocal track, making it essential for sound engineers to find a balance that preserves the clarity of all elements in a mix.Another important area of psychoacoustic study is the emotional response elicited by sound. Different sounds can evoke various feelings and memories, which can be harnessed in fields such as film scoring and advertising. For instance, a minor key chord progression might evoke feelings of sadness or tension, while a major key can create a sense of happiness or resolution. Understanding these emotional responses allows composers and sound designers to craft audio experiences that resonate deeply with audiences.Additionally, psychoacoustic principles are applied in the development of audio technologies. For example, lossy audio compression formats like MP3 utilize psychoacoustic models to reduce file sizes while maintaining perceived sound quality. By analyzing which frequencies are less perceptible to the human ear, these algorithms can discard certain audio data without significantly affecting the listener's experience. This has revolutionized how we store and share music, making it accessible to a broader audience.Furthermore, the implications of psychoacoustic research extend beyond entertainment and technology. In fields such as architecture and urban planning, understanding how sound is perceived can lead to better designs that enhance acoustic comfort in public spaces. For instance, concert halls are often designed with specific materials and shapes that optimize sound reflection and absorption, ensuring that every note is heard clearly by the audience.In conclusion, the study of psychoacoustic phenomena plays a crucial role in our understanding of sound perception. It bridges the gap between science and art, allowing us to create richer auditory experiences. Whether in music production, audio technology, or architectural design, the principles of psychoacoustic research continue to shape the way we interact with sound in our daily lives. As technology advances and our understanding of the human auditory system deepens, the applications of psychoacoustic knowledge will undoubtedly expand, offering new possibilities for innovation and creativity in the world of sound.

在音频工程和声音设计领域，术语psychoacoustic指的是研究人类如何感知声音的科学。这一科学分支结合了心理学和声学的元素，以理解声波如何与听觉系统和大脑相互作用。通过探索psychoacoustic现象的原理，研究人员可以深入了解我们如何体验不同的频率、音量和声音质感。例如，响度的感知并不仅仅由声音波的物理强度决定；而是受到包括声音频率和周围噪声环境等多种因素的影响。psychoacoustic研究的一个迷人方面是掩蔽的概念。当一种声音的存在使另一种声音变得不那么可听时，就会发生掩蔽现象。这一现象在音乐制作和广播中尤为相关，因为理解不同声音之间的相互作用可以导致更有效的混音和母带处理技术。例如，响亮的低音线可能会掩蔽人声轨道的微妙细节，因此，声音工程师需要找到一种平衡，以保持混音中所有元素的清晰度。psychoacoustic研究的另一个重要领域是声音引发的情感反应。不同的声音可以唤起各种情感和记忆，这可以在电影配乐和广告等领域中加以利用。例如，小调和弦进行可能会引发悲伤或紧张的感觉，而大调则可以创造出快乐或解决的感觉。理解这些情感反应使作曲家和声音设计师能够创作出与观众产生深刻共鸣的音频体验。此外，psychoacoustic原理还应用于音频技术的发展。例如，像MP3这样的有损音频压缩格式利用psychoacoustic模型来减少文件大小，同时保持感知的音质。通过分析哪些频率对人耳的感知较少，这些算法可以丢弃某些音频数据，而不会显著影响听众的体验。这一进展彻底改变了我们存储和分享音乐的方式，使其更广泛地被受众所接触。此外，psychoacoustic研究的影响超越了娱乐和技术。在建筑和城市规划等领域，理解声音的感知可以导致更好的设计，从而提高公共空间的声学舒适度。例如，音乐厅通常采用特定的材料和形状来优化声音的反射和吸收，确保每一个音符都能被观众清晰地听到。总之，psychoacoustic现象的研究在我们理解声音感知方面发挥着至关重要的作用。它架起了科学与艺术之间的桥梁，使我们能够创造更丰富的听觉体验。无论是在音乐制作、音频技术还是建筑设计中，psychoacoustic研究的原理继续塑造我们日常生活中与声音的互动。随着技术的进步和我们对人类听觉系统理解的加深，psychoacoustic知识的应用无疑将扩展，为声音世界中的创新和创造力提供新的可能性。