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Re: enigma

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In article <5d9pebdhvhf05dj0r4b3pkvvmmh7mhgqk4@4ax.com>,
JimP.  <blue@cwahi.net> wrote:
>Decades ago when I was reading the Peopular Electronics mag, they
>mentikoned that an infrared laser aimed at a window could be used to
>hear a conversation in a building. It used the window as a microphone.

Of course, these days no fancy laser equiment may be necessary - just a
clear line of sight:

[quote src="http://news.mit.edu/2014/alrogithm-recovers-speech-from-vibrations-0804"]

Researchers at MIT, Microsoft, and Adobe have developed an algorithm that
can reconstruct an audio signal by analyzing minute vibrations of objects
depicted in video. In one set of experiments, they were able to recover
intelligible speech from the vibrations of a potato-chip bag photographe
 from 15 feet away through soundproof glass.

[/quote]

Video: http://www.youtube.com/watch?v=FKXOucXB4a8

// Christian

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enigma mausg@mail.com - 2016-03-17 13:46 +0000
  Re: enigma Stephen Wolstenholme <steve@easynn.com> - 2016-03-17 14:07 +0000
    Re: enigma philo <philo@privacy.net> - 2016-03-17 10:00 -0500
    Re: enigma mausg@mail.com - 2016-03-17 15:29 +0000
    Re: enigma Bob Eager <news0006@eager.cx> - 2016-03-17 22:23 +0000
      Re: enigma Jon Elson <elson@pico-systems.com> - 2016-03-17 21:12 -0500
      Re: enigma mausg@mail.com - 2016-03-18 12:39 +0000
        Re: enigma scott@slp53.sl.home (Scott Lurndal) - 2016-03-18 13:15 +0000
          Re: enigma Huge <Huge@nowhere.much.invalid> - 2016-03-18 13:30 +0000
            Re: enigma Ahem A Rivet's Shot <steveo@eircom.net> - 2016-03-18 15:39 +0000
        Re: enigma Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-03-18 08:26 -0600
          Re: enigma Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-03-18 18:26 +0000
          Re: enigma "Joe Morris" <j.c.morris@verizon.net> - 2016-03-18 19:00 -0400
            Re: enigma Anne & Lynn Wheeler <lynn@garlic.com> - 2016-03-18 17:19 -0700
              Re: enigma Anne & Lynn Wheeler <lynn@garlic.com> - 2016-03-18 17:27 -0700
            Re: enigma Peter Flass <peter_flass@yahoo.com> - 2016-03-18 17:47 -0700
              Re: enigma JimP. <blue@cwahi.net> - 2016-03-18 20:04 -0500
                Re: enigma Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-03-18 21:28 -0600
            Re: enigma hancock4@bbs.cpcn.com - 2016-03-19 11:14 -0700
              Re: enigma Stephen Wolstenholme <steve@easynn.com> - 2016-03-20 09:02 +0000
        Re: enigma Peter Flass <peter_flass@yahoo.com> - 2016-03-18 17:47 -0700
          Re: enigma JimP. <blue@cwahi.net> - 2016-03-18 20:06 -0500
            Re: enigma mausg@mail.com - 2016-03-19 11:01 +0000
              Re: enigma "J. Clarke" <j.clarke.873638@gmail.com> - 2016-03-19 10:06 -0400
                Re: enigma Morten Reistad <first@last.name.invalid> - 2016-03-19 16:17 +0100
                Re: enigma greymaus <mausg@mail.com> - 2016-03-19 17:45 +0000
                Re: enigma "J. Clarke" <j.clarke.873638@gmail.com> - 2016-03-19 14:00 -0400
                Re: enigma sidd@situ.com (sidd) - 2016-03-19 15:48 -0400
              Re: enigma Ahem A Rivet's Shot <steveo@eircom.net> - 2016-03-19 15:10 +0000
              Re: enigma Dave Garland <dave.garland@wizinfo.com> - 2016-03-19 12:31 -0500
            Re: enigma Peter Flass <peter_flass@yahoo.com> - 2016-03-19 07:28 -0700
            Re: enigma cb@elaine.df.lth.se (Christian Brunschen) - 2016-03-19 18:05 +0000
              Re: enigma Jon Elson <jmelson@wustl.edu> - 2016-03-21 13:56 -0500
                Re: enigma Andy Burns <feb2017-usenet@adslpipe.co.uk> - 2016-03-21 19:47 +0000
  Re: enigma "capek@ieee.org <Peter Capek>" <peter.capek@gmail.com> - 2016-03-20 23:16 -0700
    Re: enigma Quadibloc <jsavard@ecn.ab.ca> - 2016-03-21 05:55 -0700
      Re: enigma JimP. <blue@cwahi.net> - 2016-03-21 12:07 -0500
        Re: enigma Peter Flass <peter_flass@yahoo.com> - 2016-03-21 13:51 -0700

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