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  2. Laser microphone - Wikipedia

    en.wikipedia.org/wiki/Laser_microphone

    On 25 August 2009, U.S. patent 7,580,533 was issued for a device that uses a laser beam and smoke or vapor to detect sound vibrations in free air ("Particulate Flow Detection Microphone based on a laser-photocell pair with a moving stream of smoke or vapor in the laser beam's path"). Sound pressure waves cause disturbances in the smoke that in ...

  3. Covert listening device - Wikipedia

    en.wikipedia.org/wiki/Covert_listening_device

    A laser microphone can be used to reconstruct audio from a laser beam shot onto an object in a room, or the glass pane of a window. Researchers have also prototyped a method for reconstructing audio from video of thin objects that can pick up sound vibrations, such as a houseplant or bag of potato chips. [18]

  4. Microphone - Wikipedia

    en.wikipedia.org/wiki/Microphone

    A new type of laser microphone is a device that uses a laser beam and smoke or vapor to detect sound vibrations in free air. On August 25, 2009, U.S. patent 7,580,533 issued for a Particulate Flow Detection Microphone based on a laser-photocell pair with a moving stream of smoke or vapor in the laser beam's path.

  5. Category:Microphone-controlled video games - Wikipedia

    en.wikipedia.org/wiki/Category:Microphone...

    Video games that use a microphone or headset as a control system. This might be with a plug-in device, such as the PlayStation 2 Headset, or with system with a built-in microphone such as the Nintendo DS.

  6. The Thing (listening device) - Wikipedia

    en.wikipedia.org/wiki/The_Thing_(listening_device)

    The cavity was a high-Q round silver-plated copper "can", with the internal diameter of 31 ⁄ 40 in (19.7 mm) and about 11 ⁄ 16 in (17.5 mm) long, with inductance of about 10 nanohenries. [5] Its front side was closed with a very thin (3 thou , or 75 micrometers) and fragile conductive membrane.

  7. The 30 Best 'Cool' Gifts for Teens in 2022

    www.aol.com/lifestyle/best-gifts-for-teens...

    Not only does the Rukus FX mix music, it has an LED light show and over 80 sound effects. And of course, there's a built-in microphone for vocals.

  8. LaserActive - Wikipedia

    en.wikipedia.org/wiki/LaserActive

    In addition to LaserActive games, separately sold add-on modules (called "PACs" by Pioneer) accept Mega Drive/Genesis and PC Engine/TurboGrafx-16 ROM cartridges and CD-ROMs. Pioneer released the LaserActive model CLD-A100 in Japan on August 20, 1993, at a cost of ¥89,800, and in the United States on September 13, 1993, at a cost of $970.

  9. Soundfield microphone - Wikipedia

    en.wikipedia.org/wiki/Soundfield_microphone

    A Soundfield microphone kit, consisting of the microphone and a signal processor, produces two distinct sets of audio signals called A-Format and B-Format. The sound processor may be either dedicated hardware, or a computer running software. The software processing may be done in real-time during the recording, or later offline.