Bilingual edition: English is preserved and Chinese follows each unit. Terminology uses the confirmed v20260916 glossary; automated semantic review remains traceable.
中英双语版:英文原文完整保留,中文紧随对应单元;术语采用 v20260916 确认表,自动语义审校结果可追溯。

Characterizing Sound

声学特性描述

Sound is described by

  1. Pitch
    音调
  2. Loudness
    响度
  3. Quality or Timbre
    音质或音色

声音由

What is the difference between sound intensity and loudness?

声音强度和响度有什么区别?

By how much do you have to increase the intensity of a sound to double its loudness?

你需要将声音的强度增加多少才能使其响度加倍?

How is the sound level in decibels determined?

声音的分贝电平是如何确定的?

Describe the threshold of hearing.

描述听阈。

Why are hearing curves needed? What do you learn from them?

为什么需要听力曲线?你从它们中能学到什么?
*Pitch

*Loudness

*Quality

*Sound intensity

*Rule of thumb for loudness

*Critical band

*Saturation

*Decibels

*Threshold of hearing

*Equal loudness curves

* 音调 * 响度 * 音色 * 声强 * 响度的粗略规则 * 关键带 * 饱和 * 分贝 * 听阈 * 等响曲线
Index
索引
  HyperPhysics*****Physics 2030K
HyperPhysics ***** 物理学 2030K
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Sound measurement

声音测量

Describe the shortcomings of the decibel scale for sound measurement.

描述分贝尺度在声音测量中的不足

Describe the phon scale for loudness measurement.

描述响度的音量标度。

How can you improve upon decibels for practical sound measurements?

如何改进分贝以适应实际的声学测量?

Why are straight decibel measurements often misleading in the assessment of the loudness of sounds?

为什么直截的分贝测量在评估声音的响度时往往具有误导性?

What is the A contour? What advantages are there in making sound measurements using the A-contour filter?

什么是A轮廓?使用A轮廓滤波器进行声音测量有什么优势?

What consistent effects do sustained loud sounds have on human hearing?

持续的 loud sounds 对人类听觉有什么一致的影响?
*Decibels

*Threshold of hearing

*Equal loudness curves

*Loudness in phons

*Shortcomings of decibels

*Contour filters

*A contour measurement

*Practical sound measurement

*Concrete drill

*Fire alarm

*Factory

*Effects of loud sounds

*Temporary threshold shifts

响度;响度;响度;响度;分贝的局限性;轮廓滤波器;轮廓测量;实际声音测量;混凝土钻机;火灾警报;工厂; loud sounds 的影响;暂时性阈值移位
Index
索引
  HyperPhysics*****Physics 2030K
HyperPhysics ***** 物理学 2030K
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Sound quality or timbre

声音品质或音色

What is meant by sound quality or timbre. What are the three major contributors to sound quality?

声品质或音色指的是什么?声品质的三大主要影响因素是什么?

Vowel sounds differ in quality (timbre) but may have identical pitch and loudness. How are the differences in vowels produced by the vocal mechanism? How does the ear detect the differences?

元音声音在音色(泛音)上有所不同,但可能具有相同的音调和响度。这些元音差异是如何由发声机制产生的?耳朵是如何检测这些差异的?

What is involved in sound analysis and synthesis?

声音分析和合成涉及哪些内容?

Why are geometric waves commonly used in synthesizers?

为什么几何波在合成器中常被使用?
*Perceived sound characteristics

*Quality (timbre)

*Harmonic content

*Attack and decay

*Vibrato/tremolo

*Harmonic spectrum

*Vocal formants

*Effect of pitch on vowel spectrum

*Ear as harmonic analyzer

*Sound synthesis

*Geometric waves

* 感知的音声特性 * 音色(泛音) * 泛音内容 * 攻击与衰减 * 振音/震颤 * 泛音谱 * 声音元音共振 * 音调对元音谱的影响 * 耳作为谐波分析器 * 声音合成 * 几何波
Index
索引
  HyperPhysics*****Physics 2030K
HyperPhysics ***** 物理学 2030K
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