Visual Microphone: Uncovering Invisible Sound

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SUMMARY

The forum discussion centers around the concept of the Visual Microphone, a technology that utilizes laser microphones to capture sound from a distance by analyzing vibrations on surfaces. Key references include a YouTube video demonstrating the technology and a Wikipedia article detailing its history. The discussion highlights the innovative applications of laser microphones in surveillance and sound analysis, emphasizing their ability to detect invisible sound waves effectively.

PREREQUISITES
  • Understanding of laser microphone technology
  • Familiarity with sound wave propagation
  • Basic knowledge of signal processing techniques
  • Awareness of surveillance technologies
NEXT STEPS
  • Research the principles of laser microphone operation
  • Explore advancements in sound wave analysis techniques
  • Learn about the ethical implications of surveillance technologies
  • Investigate applications of laser microphones in various fields
USEFUL FOR

Sound engineers, surveillance technology professionals, researchers in acoustics, and anyone interested in the intersection of audio technology and security.

nsaspook
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https://www.youtube.com/watch?v=FKXOucXB4a8
 
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Computer science news on Phys.org
Nice!
 
Wikipedia gives some history: http://en.m.wikipedia.org/wiki/Laser_microphone
 

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