相关实验视频
Updated: Jul 16, 2025

07:14
A Method to Study Adaptation to Left-Right Reversed Audition
Published on: October 29, 2018
6.6K
听觉垂直定位在中间平面与冲突的动态间隔时差和其他高度线索
Bosun Xie1, Lulu Liu1, Jianliang Jiang1
1Acoustic Lab, School of Physics and Optoeletronics, South China University of Technology, Guangzhou, 510641, China.
The Journal of the Acoustical Society of America
|September 18, 2023
概括
动态间声时间差 (ITD) 和光谱线索有助于垂直声音定位. 动态ITD在低频率是关键,而光谱线索在高频率占主导地位,没有线索完全主导宽带刺激.
科学领域:
- 听觉感知是一种听觉感知.
- 精神声学是一种精神声学.
- 人类听觉系统是人类的听觉系统.
背景情况:
- 声间时差 (ITD) 和光谱线索对于声音定位至关重要.
- 动态ITD和静态光谱线索对垂直定位的相对贡献仍然不清楚.
- 静态光谱线索传统上被认为是垂直定位的主导因素.
研究的目的:
- 调查动态ITD和静态光谱线索对中平面垂直定位的不同贡献.
- 为了确定这些线索在与相互矛盾的空间信息相交时如何相互作用.
主要方法:
- 精神声学实验是使用动态虚拟听觉显示器进行的.
- 修改了与头部相关的传输功能,以创建具有冲突线索的双耳信号.
- 刺激具有静态或动态修饰的光谱线索以及动态ITD,根据头部位置而变化.
主要成果:
- 动态ITD显著促进在低频率的垂直定位.
- 静态光谱线索对于高频率的垂直定位很重要.
- 宽带刺激中的冲突线索通常会导致两个单独的来源的感知,而不是融合本地化.
结论:
- 动态ITD和静态光谱线索有助于在不同的频率范围内进行垂直定位.
- 没有一个暗示单方面主导宽带听觉刺激的垂直定位.
- 听觉系统单独处理低频动态ITD和高频光谱线索以进行垂直定位.
相关概念视频
Perceiving Loudness, Pitch, and Location
239
The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
239
The Cochlea
45.2K
The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
45.2K
Equilibrium and Balance
4.8K
The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...
4.8K
Auditory Pathway
5.5K
Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
5.5K
Echo
534
The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case,...
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case,...
534
Depth Perception and Spatial Vision
709
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
709

