File:Toothed_whale_sound_production.svg · Wikimedia Commons · See Wikimedia Commons
An echo is a reflected sound that reaches your ear a noticeable time after the original sound is made, and the length of that delay depends on how far away the surface reflecting the sound is located. Echoes matter because understanding them helps us comprehend how sound behaves in different spaces, from natural settings like wells to buildings and rooms.
AI-generated from the Wikipedia summary — may contain errors.
In the Vinony graph
Vinony's link graph records 340 inbound references to 回聲, and connects out to ultrasound, equal-loudness contour and sound.
It sits within the topics Acoustics and Audio effects.
Vinony links it to 73 Wikipedia language editions.
Wikidata facts
- Image
- Seurat L'Echo.jpg
Show 2 more facts
- Commons category
- Echo (acoustics)
- inception
- 1991-01-01
Sources (2)
via Wikidata · CC0
Article · 中文
回音是指障碍物对声音的反射。借由可以做出回声定位的效果。声波在遇到障碍物时，一部分声波会穿过障碍物，而另一部分声波会反射回来形成回声。若障礙物具有堅硬光滑的表面易產生回聲；反之，具有柔軟的表面則易吸收聲音；另外，粗糙的表面易散射聲音。回声相比那些直接传播的声音所经过的路程更长，所以会比直接传播的声音晚被听到。如果两声波的时间间隔小于0.1秒，人耳便无法分辨，只能听到被延长的声音。因为室温（20℃）时空气中的声速是343米每秒，所以站在声源处的人要听到回声需要障碍物到声源的距离至少17米。 回声的强弱用赫茲計测量。
Abstract from DBpedia / Wikipedia · CC BY-SA
Gallery (6)
Available in 73 languages
- Español
- Français
- Deutsch
- 中文
- 日本語
- Русский
- Português
- Italiano
- العربية
- हिन्दी
- Albanian
- Aramaic
- Armenian
- Asturian
- Azerbaijani
- Bahasa Indonesia
- Bangla
- Banjar
Show 54 more
- Basque
- Bulgarian
- Catalan
- Chuvash
- Croatian
- Czech
- Danish
- Esperanto
- Estonian
- Finnish
- Galician
- Greek
- Hebrew
- Ido
- Irish
- Kannada
- Kazakh
- Kikuyu
- Latin
- Latvian
- Lithuanian
- Lombard
- Macedonian
- Malay
- Malayalam
- Marathi
- Mongolian
- Nederlands
- Northern Sami
- Norwegian
- Norwegian Nynorsk
- Oromo
- Polski
- Romanian
- Serbian
- Serbian (Latin)
- Shona
- simple
- Sindhi
- Slovak
- Svenska
- Swahili
- Tamil
- Telugu
- Türkçe
- Ukrainian
- Uzbek
- Venetian
- Waray
- Welsh
- Wu Chinese
- zh_yue
- فارسی
- 한국어
via Wikidata sitelinks · CC0