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2. Hypersonic effect - Wikipedia

   en.wikipedia.org/wiki/Hypersonic_effect

   Download QR code; Print/export ... The hypersonic effect is a phenomenon reported in a controversial scientific study ... (known commercially as HyperSonic Sound ...

3. Sound from ultrasound - Wikipedia

   en.wikipedia.org/wiki/Sound_from_ultrasound

   Sound from ultrasound is the name given here to the generation of audible sound from modulated ultrasound without using an active receiver. This happens when the modulated ultrasound passes through a nonlinear medium which acts, intentionally or unintentionally, as a demodulator .

4. Ultrasonic hearing - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_hearing

   Ultrasonic hearing is a recognised auditory effect which allows humans to perceive sounds of a much higher frequency than would ordinarily be audible using the inner ear, usually by stimulation of the base of the cochlea through bone conduction. Normal human hearing is recognised as having an upper bound of 15–28 kHz, [1] depending on the person.

5. Hypersonic (disambiguation) - Wikipedia

   en.wikipedia.org/wiki/Hypersonic_(disambiguation)

   Hypersonic sound, a method for creating audible sound from ultrasound; Hypersonic effect, a psychological effect induced by ultrasound; HyperSonic Sound, a trade name for a device that produces modulated ultrasound that can make its carried signal audible without needing a receiver set

6. Wikipedia:Free sound resources - Wikipedia

   en.wikipedia.org/wiki/Wikipedia:Free_sound_resources

   Independent, unique sound library with royalty free & free sound effects - for video, sound design, music productions and more. CC0, CC BY Gfx Sounds: Yes Yes Sound library for professional and free sound effects downloads. CC0, CC BY Free To Use Sounds: Yes Yes Sound effects library with hiqh quality field recordings from all around the world.

7. Hypersonic speed - Wikipedia

   en.wikipedia.org/wiki/Hypersonic_speed

   Simulation of hypersonic speed (Mach 5) While the definition of hypersonic flow can be quite vague and is generally debatable (especially because of the absence of discontinuity between supersonic and hypersonic flows), a hypersonic flow may be characterized by certain physical phenomena that can no longer be analytically discounted as in supersonic flow.

8. Hypersonic weapon - Wikipedia

   en.wikipedia.org/wiki/Hypersonic_weapon

   The Silbervogel was the first design for a hypersonic weapon and was developed by German scientists in the 1930s, but was never constructed. [6]The ASALM (Advanced Strategic Air-Launched Missile) was a medium-range strategic missile program developed in the late 1970s for the United States Air Force; the missile's development reached the stage of propulsion-system testing, test-flown to Mach 5 ...

9. Wikipedia:List of sound files - Wikipedia

   en.wikipedia.org/wiki/Wikipedia:List_of_sound_files

   If you would like to help expand and improve this list, and integrate it with other Wikipedia articles, please visit the free music taskforce. Smartphones like the iPhone can store and play music listed here, using various free apps such as Capriccio. See /playlist for a sampling of URLs to use with other music players.