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2. Aztec death whistle - Wikipedia

   en.wikipedia.org/wiki/Aztec_death_whistle

   The whistle's sounds, analyzed through its functioning mechanism, have been noted to resemble the sound of wind and fall within the human hearing sensitivity range. Experimental models of death whistles have been constructed and tested to explore hypotheses and for use in conferences and demonstrations, given that the original ancient ...

3. Physics of whistles - Wikipedia

   en.wikipedia.org/wiki/Physics_of_whistles

   The yellow plastic pipe shown in the image is a toy that whistles when the pipe is whirled around. The metal pipe shown was used in the Concorde cockpit to provide cooling air to the pilots, but it was removed due to its loud tone. This whistle is similar in many respects to the hole tone, in particular the teapot whistle.

4. List of unexplained sounds - Wikipedia

   en.wikipedia.org/wiki/List_of_unexplained_sounds

   While the audio profile of Bloop does resemble that of a living creature, [4] the source was a mystery both because it was different from known sounds and because it was several times louder than the loudest recorded animal, the blue whale. [5] The NOAA Vents Program has attributed Bloop to a large icequake. Numerous icequakes share similar ...

5. Ophicleide (organ stop) - Wikipedia

   en.wikipedia.org/wiki/Ophicleide_(organ_stop)

   The Grand Ophicleide in the Boardwalk Hall Organ, Atlantic City, New Jersey, is recognized as the loudest organ stop in the world, voiced on 100" wind pressure (0.25 bar). [1] Its tone is described by Guinness World Records as having "a pure trumpet note of ear-splitting volume, more than six times the volume of the loudest locomotive whistle."

6. Whistle - Wikipedia

   en.wikipedia.org/wiki/Whistle

   A party whistle A metal pea whistle. A whistle is a musical instrument which produces sound from a stream of gas, most commonly air. It may be mouth-operated, or powered by air pressure, steam, or other means. Whistles vary in size from a small slide whistle or nose flute type to a large multi-piped church organ.

7. Calliope (music) - Wikipedia

   en.wikipedia.org/wiki/Calliope_(music)

   A calliope (see below for pronunciation) is a North American musical instrument that produces sound by sending a gas, originally steam or, more recently, compressed air, through large whistles—originally locomotive whistles. A calliope is typically very loud. Even some small calliopes are audible for miles. There is no way to vary tone or volume.