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相关概念视频

Auditory Perception01:17

Auditory Perception

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The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
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Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

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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...
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Perception of Sound Waves01:01

Perception of Sound Waves

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The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same...
5.4K
Design Example01:23

Design Example

521
The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
521
Tactile and Chemical Senses01:27

Tactile and Chemical Senses

690
Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex.
690
IR Spectrum Peak Splitting: Symmetric vs Asymmetric Vibrations01:08

IR Spectrum Peak Splitting: Symmetric vs Asymmetric Vibrations

1.7K
Identical bonds within a polyatomic group can stretch symmetrically (in-phase) or asymmetrically (out-of-phase). Similar to hydrogen bonding, these vibrations also influence the shape of the IR peak. Generally, asymmetric stretching frequencies are higher than symmetric stretching frequencies. For example, primary amines exhibit two distinct IR peaks between 3300–3500 cm−1 corresponding to the symmetric and asymmetric N-H stretching, while secondary amines exhibit a single...
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相关实验视频

Updated: Jan 10, 2026

Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
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Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique

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谱峰挑选可以改善触觉语音感知.

Mark D Fletcher1,2,3, Carl A Verschuur4,5, Esma Akis6,5

  • 1Faculty of Medicine, University of Southampton, University Road, Southampton, SO17 1BJ, UK. M.D.Fletcher@soton.ac.uk.

Scientific reports
|November 25, 2025
PubMed
概括
此摘要是机器生成的。

新的触觉光谱峰值选择 (tSPP) 通过通过触摸选择性地传输关键音频特征来增强助听器用户的语音感知. 这种触觉方法显著改善了振动触觉音符歧视,有助于语音理解.

关键词:
音频触摸方式 音频触摸方式耳植入器是一种耳植入器.助听器是一种助听器.这是多感官的.演讲阅读 演讲阅读触觉辅助是一种帮助.

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Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities

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相关实验视频

Last Updated: Jan 10, 2026

Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
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Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique

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Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities
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Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities

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A Tactile Automated Passive-Finger Stimulator TAPS
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A Tactile Automated Passive-Finger Stimulator TAPS

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科学领域:

  • 听觉神经科学 听觉神经科学
  • 触觉学是指触觉学,是指触觉学.
  • 语音感知 语音感知

背景情况:

  • 语音感知中的个体差异通常与对声学语音线索的访问受损有关,特别是在听力损失的个体中.
  • 触觉助听器为感官替代提供了一个有希望的途径,通过触觉刺激传递语音信息.
  • 通过振动刺激来有效地传递关键的语音特征仍然存在挑战,以改善语音理解.

研究的目的:

  • 引入和评估一个集成到触觉语音编码器中的触觉光谱峰值选择 (tSPP) 算法.
  • 通过强调触觉语音通信中占主导地位的光谱特征来增强振动触觉语音歧视.
  • 评估选择性特征传输对触觉语音感知的影响.

主要方法:

  • 开发了一种触觉声编码器,可以将音频分解成八个频段.
  • 集成了触觉光谱峰值选择 (tSPP) 算法,可以选择性地传输最有能量的光谱频段.
  • 对26名参与者进行了手腕上的触觉音色区分测试,将触觉声编码器单独与一,两或四个选定的峰值的tspp进行了比较.

主要成果:

  • 当使用 tSPP 算法 (一个,两个或四个峰值) 时,与单独使用触觉语音编码器相比,触觉语音区分显著改善.
  • 对歧视的最大改善是观察到一个和两个峰值的tspp,显示平均增强7.5%.
  • 对光谱突出特征的选择性增强可以明显改善触觉语音感知.

结论:

  • 触觉光谱峰值选择 (tSPP) 算法通过强调主导的光谱特征,有效地增强了触觉语音感知.
  • 这种方法适用于可穿戴感官替代器件的实时实现.
  • 这些发现支持为有听力损失的人开发更有效的触觉助听器.