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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. Comparison of free software for audio - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_free...

    Windows? GUI toolkit Note License Ardour: Paul Davis: Yes Yes Yes Yes GTK+ multi-track audio recorder and editor GPL-2.0-or-later: Audacity: Dominic Mazzoni Yes Yes Yes Yes wxWidgets multi-track audio recorder and editor GPL-2.0-or-later, CC BY 3.0 (documentation) Ecasound: Yes Yes Yes Yes limited support through Cygwin: command line audio recorder

  6. Neumann U 87 - Wikipedia

    en.wikipedia.org/wiki/Neumann_U_87

    The Neumann U 87 is a poly-directional large-diaphragm condenser microphone. Originally introduced in 1967, a version of the U 87 is still produced by Georg Neumann GmbH. The U 87 became an industry standard recording microphone, a reputation that continues to endure. [1] [2] The U 87 was inducted into the TECnology Hall of Fame in 2006. [3]

  7. RCA Type 77-DX microphone - Wikipedia

    en.wikipedia.org/wiki/RCA_Type_77-DX_microphone

    It is still sought after today for use in recording brass instruments. Audio engineers experienced with the 77-DX can position the microphone at different angles to modify its frequency response. For example, with the microphone suspended, tilting it on the horizontal axis will cause the ribbon to sag slightly, resulting in a noticeable boost ...

  8. Sound Recorder (Windows) - Wikipedia

    en.wikipedia.org/wiki/Sound_Recorder_(Windows)

    Before Windows 7, Sound Recorder could save the recorded audio in waveform audio (.wav) container files.Sound Recorder could also open and play existing .wav files. To successfully open compressed .wav files in Sound Recorder, the audio codec used by the file must be installed in the Audio Compression Manager (ACM); Windows installations dating back to at least Windows 95 came with a selection ...

  9. Shure SM57 - Wikipedia

    en.wikipedia.org/wiki/Shure_SM57

    The microphone kit (two SM57 microphones, windscreens, microphone stands, and black right-angle XLR cables) is referred to as the VIP/high-profile microphone kit. The SM57 is a popular choice of musicians due to its sturdy construction and ability to work well with instruments that produce high sound pressure levels , such as percussion ...

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