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亮点间隔和阶段对回声定位的影响 瓶鼻海豚执行两亮点回声区分任务

Katie A Christman1,2, James J Finneran3, Jason Mulsow2,3

  • 1Department of Psychology, University of California-San Diego, 9500 Gilman Drive, La Jolla, California 92093, USA.

The Journal of the Acoustical Society of America
|September 11, 2025
PubMed
概括

海豚可以通过分析回声定时来使用生物声波来辨别物体细节. 它们检测回声间隔细微变化的能力取决于声音波是否处于相位或随机相位.

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相关概念视频

Echo01:06

Echo

The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case,...
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