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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
Sound Intensity Level00:53

Sound Intensity Level

4.1K
Humans perceive sound by hearing. The human ear helps sound waves reach the brain, which then interprets the waves and creates the perception of hearing. The loudness of the environment in which a person is located determines whether they can distinguish between different sound sources.
The human ear can perceive an extensive range of sound intensity, necessitating the use of the logarithmic scale to define a physical quantity—the intensity level. It is a ratio of two intensities and...
4.1K
Sound Waves: Interference00:53

Sound Waves: Interference

3.7K
Sound waves can be modeled either as longitudinal waves, wherein the molecules of the medium oscillate around an equilibrium position, or as pressure waves. When two identical waves from the same source superimpose on each other, the combination of two crests or two troughs results in amplitude reinforcement known as constructive interference. If two identical waves, that are initially in phase, become out of phase because of different path lengths, the combination of crests with troughs...
3.7K
Interference: Path Lengths01:10

Interference: Path Lengths

1.2K
Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
1.2K
Larynx01:21

Larynx

1.1K
The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids,...
1.1K
Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

173
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...
173

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A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis (ALS)
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Published on: February 22, 2011

非线性语音现象和语音可理解性

Andrey Anikin1, David Reby2,3, Katarzyna Pisanski2,4

  • 1Division of Cognitive Science, Department of Philosophy, Lund University, Box 192, SE-221 00, Lund, Sweden.

Philosophical transactions of the Royal Society of London. Series B, Biological sciences
|April 3, 2025
PubMed
概括
此摘要是机器生成的。

人类语音的可理解性取决于声音的稳定性,不一定是音质. 非线性语音现象 (NLP) 可以改善元音感知,但发音中断会降低清晰度,这表明对演化为语音的NLP有更好的控制.

关键词:
语言的演变语言的演变.形成频率的频率.非线性声乐现象 不线性声乐现象演讲 演讲 演讲 演讲声音膜 声道膜 声道膜 声道膜一个声音,一个声音,一个声音.

更多相关视频

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
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Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Published on: September 27, 2024

Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis
05:48

Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis

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12:43

A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis (ALS)

Published on: February 22, 2011

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
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Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

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Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis
05:48

Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis

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科学领域:

  • 进化生物学是进化的生物学.
  • 语音科学是一种语言科学.
  • 生物声学是一种生物声学.

背景情况:

  • 人类拥有比其他类人猿更简单的声器,缺乏声膜和气囊.
  • 假设这种简化是对语音的适应,少一些非线性声学现象 (NLP) 创造了一个稳定的声源.
  • 关于NLP降低语音可理解性的假设得到了语音障碍的研究的支持,但缺乏直接的实验测试.

研究的目的:

  • 实验测试非线性声学现象 (NLP) 对语音可理解性的影响.
  • 为了确定语音稳定性或音质质量是否对语音感知更为关键.
  • 研究不同类型的NLP如何影响元音,单词和句子的可理解性.

主要方法:

  • 在合成和录制的语音刺激中操纵NLP,包括元音,单词和句子.
  • 通过歧视任务评估语音可理解性.
  • 分析连续NLP (亚和声,振幅调制,混乱) 和突然NLP (发声中断,音调跳跃) 的影响.

主要成果:

  • 语音稳定性,而不是音质质量,对于语音可理解性至关重要.
  • 持续的NLP可以通过揭示形式过渡来增强高音调声音中的母音感知.
  • 使用连续NLP的粗略声音仍然可以理解,但发声中断和音调跳跃显著降低了可理解性.

结论:

  • 非线性语音现象 (NLP) 在人类演化过程中并没有被消除,而是得到了更好的控制.
  • 语音稳定是可理解性的关键因素,而某些NLP可以有益.
  • 了解NLP的控制提供了对人类言语演变的见解.