Acoustic mirror
id:
acoustic-mirror-186-4219616
title:
Acoustic mirror
text:
An acoustic mirror is a passive device used to reflect and focus (concentrate) sound waves. Parabolic acoustic mirrors are widely used in parabolic microphones to pick up sound from great distances, employed in surveillance and reporting of outdoor sporting events. Pairs of large parabolic acoustic mirrors which function as "whisper galleries" are displayed in science museums to demonstrate sound focusing. Between the World Wars, before the invention of radar, parabolic sound mirrors were used e
brand slug:
wiki
category slug:
encyclopedia
description:
Passive sound reflection device
original url:
https://en.wikipedia.org/wiki/Acoustic_mirror
date created:
2004-08-08T12:08:44Z
date modified:
2024-09-07T22:34:35Z
main entity:
{"identifier":"Q444789","url":"https://www.wikidata.org/entity/Q444789"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/9/94/WW1AcousticMirrorKilnsea%28PaulGlazzard%29Jan2007.jpg","width":640,"height":480}
fields total:
13
integrity:
16