V2EX interaural level difference

Interaural Level Difference

定义 Definition

双耳声级差(ILD):声音到达左右耳时的强度/声压级差异,是人类定位声源方向(尤其是高频水平定位)的关键线索之一。除这一常见含义外,在某些技术语境中也可泛指左右通道的电平差。

发音 Pronunciation (IPA)

/ntrrl lvl dfrns/

例句 Examples

A loud sound on your right creates an interaural level difference.
右侧的响亮声音会产生双耳声级差。

Interaural level differences, combined with head-related filtering, help listeners localize high-frequency sounds in noisy environments.
双耳声级差与头部相关的滤波效应结合,能帮助听者在嘈杂环境中定位高频声音的方向。

词源 Etymology

interaural 由 *inter-*(“在……之间”)+ aural(“耳的/听觉的”,源自拉丁语 auris “耳”)构成,意为“两耳之间的”;level difference 指“电平/声级差异”。合起来就是“左右耳接收到的声级差”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Spatial Hearing: The Psychophysics of Human Sound Localization(Jens Blauert)
  • An Introduction to the Psychology of Hearing(Brian C. J. Moore)
  • Fundamentals of Hearing: An Introduction(William A. Yost)
  • Binaural and Spatial Hearing in Real and Virtual Environments(R. H. Gilkey & T. R. Anderson 编)
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