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相关概念视频

Perception of Sound Waves01:01

Perception of Sound Waves

4.4K
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...
4.4K
Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

205
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...
205
Factors Affecting Perception01:25

Factors Affecting Perception

1.6K
Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
1.6K

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相关实验视频

Updated: Jun 25, 2025

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
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关于改善助听器的消费者观点:一个定性研究

Nabeelah Desai1, Eldré W Beukes2,3, Vinaya Manchaiah1,2,4,5,6

  • 1Department of Speech-Language Pathology and Audiology, University of Pretoria, South Africa.

American journal of audiology
|May 20, 2024
PubMed
概括

助听器使用者希望在美学,功能和声音质量方面得到改善,特别是在杂的环境中. 解决成本和专业信任问题对于更好的助听器采用和用户满意度至关重要.

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Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss
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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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Last Updated: Jun 25, 2025

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06:04

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

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Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss
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科学领域:

  • 听力学和听力科学 听力学和听力科学
  • 生物医学工程 生物医学工程
  • 人与计算机的交互

背景情况:

  • 助听器对于管理听力损失至关重要,但面临着低于最佳的采用和使用.
  • 了解用户需求对于提高助听器的采用,使用和结果至关重要.

研究的目的:

  • 探索成年助听器用户对助听器设备所需改进的看法.
  • 确定在助听器功能,声音质量和服务提供方面需要改进的具体领域.

主要方法:

  • 美国628名成人助听器使用者的开放式调查答案的定性内容分析.
  • 调查数据是通过HearingTracker和Lexie Hearing用户数据库收集的.

主要成果:

  • 用户表示对助听器的美学和功能不满,希望更好的外观,适应和自我效能的功能.
  • 关键问题包括声音清晰度,特别是在杂的环境 (143名参与者),以及服务交付问题,包括高成本 (193名参与者) 和专业信誉.
  • 在电池功能,智能手机应用程序和助听器配件方面寻求改进.

结论:

  • 虽然目前的助听器技术受到赞赏,但在物理设计,用户控制,声音清晰度和成本可访问性方面,需要对用户进行重大改进.
  • 未来的助听器开发应该优先考虑增强用户自主性和自我效能的功能.
  • 用户和听力保健专业人员之间建立信任也是改善的关键领域.