The Cone of Silence

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	The Cone of Silence

janekl

5-11-2009 6:15 AM

174 views

tags:

engineering, privacy

2 Comments |

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5-11-2009 12:43 PM

tanyamm

Sounds like something from the original Get Smart.

5-11-2009 4:33 PM

janekl

And it is. They actually refer to it in the original article and name of the article is also oaned from there.

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/51cfdf96-cccc-43a7-9656-20c2e137f23d/D1726E8E-C818-45E8-8775-15B48C8B47D8/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.newscientist.com/article/mg20227075.700-cone-of-silence-keeps-conversations-secret.html?DCMP=OTC-rss&nsref=online-news" href="http://www.newscientist.com/article/mg20227075.700-cone-of-silence-keeps-conversations-secret.html?DCMP=OTC-rss&nsref=online-news" style="font-size: 11px;">www.newscientist.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/mg20227075.700-cone-of-silence-keeps-conversations-secret.html?DCMP=OTC-rss&nsref=online-news">idea</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/mg20227075.700-cone-of-silence-keeps-conversations-secret.html?DCMP=OTC-rss&nsref=online-news">is to make confidential conversations possible in open-plan offices and canteens. It will even let a conversing group move around a room and still remain in a secure sound bubble.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/mg20227075.700-cone-of-silence-keeps-conversations-secret.html?DCMP=OTC-rss&nsref=online-news"><P class="infuse">Instead of plastic domes, they use a sensor network to work out where potential eavesdroppers are, and speakers to generate a subtle masking sound at just the right level.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/mg20227075.700-cone-of-silence-keeps-conversations-secret.html?DCMP=OTC-rss&nsref=online-news">It sounds simple, but it needs quite a bit of infrastructure. The walls of the room must be peppered with light-switch-sized units that include a microphone, a speaker, an infrared location sensor and networking circuitry connected to a server. When somebody wants to activate what the MIT researchers call the "sound shield", they do so on their desktop computer. Knowing the position of the computer, the sensors identify the person and map out the locations of people around them. Software assesses who is so close that they must be participants in the conversation, and who might be a potential eavesdropper.</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/D1726E8E-C818-45E8-8775-15B48C8B47D8/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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