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  2. Sound amplification by stimulated emission of radiation

    en.wikipedia.org/wiki/Sound_amplification_by...

    A phonon laser device. Sound amplification by stimulated emission of radiation ( SASER) refers to a device that emits acoustic radiation. [1] It focuses sound waves in a way that they can serve as accurate and high-speed carriers of information in many kinds of applications—similar to uses of laser light. [citation needed] Acoustic radiation ...

  3. Long-range acoustic device - Wikipedia

    en.wikipedia.org/wiki/Long-range_acoustic_device

    A long-range acoustic device ( LRAD ), acoustic hailing device (AHD) or sound cannon is a specialized loudspeaker that produces sound at high power for communicating at a distance. It has been used as a method of crowd control, which has caused permanent hearing damage, having an extremely high decibel capacity (up to 160 dB measured at one ...

  4. Sonic weapon - Wikipedia

    en.wikipedia.org/wiki/Sonic_weapon

    A long-range acoustic device ( LRAD) in use on the USS Blue Ridge. Sonic and ultrasonic weapons ( USW) are weapons of various types that use sound to injure or incapacitate an opponent. Some sonic weapons make a focused beam of sound or of ultrasound; others produce an area field of sound. As of 2023 military and police forces make some limited ...

  5. Audio frequency - Wikipedia

    en.wikipedia.org/wiki/Audio_frequency

    TL. v. t. e. An audio frequency or audible frequency ( AF) is a periodic vibration whose frequency is audible to the average human. The SI unit of frequency is the hertz (Hz). It is the property of sound that most determines pitch. [1] The generally accepted standard hearing range for humans is 20 to 20,000 Hz.

  6. Is SoundHound AI Stock a Buy Now? - AOL

    www.aol.com/soundhound-ai-stock-buy-now...

    On the other hand, it is tiny compared to its competition, and the stock has been volatile, with a wide 52-week trading range between $1.50 and $10. Today, SoundHound AI trades toward the low end ...

  7. Surface acoustic wave - Wikipedia

    en.wikipedia.org/wiki/Surface_acoustic_wave

    Surface acoustic wave. A surface acoustic wave ( SAW) is an acoustic wave traveling along the surface of a material exhibiting elasticity, with an amplitude that typically decays exponentially with depth into the material, such that they are confined to a depth of about one wavelength. [2] [3]

  8. Take 20% Off Raycon Earbuds, Headphones and Speakers ... - AOL

    www.aol.com/entertainment/20-off-raycon-earbuds...

    Raycon has an amazing selection of best selling earbuds, headphones and more which rival the most popular brands — but best of all, they’re significantly less expensive. And right now, you can ...

  9. RTX Corporation - Wikipedia

    en.wikipedia.org/wiki/RTX_Corporation

    RTX Corporation, formerly Raytheon Technologies Corporation, is an American multinational aerospace and defense conglomerate headquartered in Arlington, Virginia.It is one of the largest aerospace and defense manufacturers in the world by revenue and market capitalization, as well as one of the largest providers of intelligence services.

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