enow.com Web Search

  1. Ad

    related to: how to whistle really loudly sound effect in powerpoint

Search results

  1. Results from the WOW.Com Content Network
  2. Physics of whistles - Wikipedia

    en.wikipedia.org/wiki/Physics_of_whistles

    A trailing edge tone occurs when an exterior flow passes over a trailing edge. There is a whistle that is a combination of an edge tone and a trailing-edge tone and might be called a wake-edge tone. It occurs in rotating circular saws under idling conditions and may be called the circular-saw whistle. Under load conditions, blade vibration ...

  3. Whistling - Wikipedia

    en.wikipedia.org/wiki/Whistling

    An offstage whistle audible to the audience in the middle of a performance might also be considered bad luck. Transcendental whistling ( chángxiào 長嘯) was an ancient Chinese Daoist technique of resounding breath yoga, and skillful whistlers supposedly could summon supernatural beings, wild animals, and weather phenomena.

  4. Steam whistle - Wikipedia

    en.wikipedia.org/wiki/Steam_whistle

    A whistle is a quarter-wave generator, which means that a sound wave generated by a whistle is about four times the whistle length. If the speed of sound in the steam supplied to a whistle were 15936 inches per second, a pipe with a 15-inch effective length blowing its natural frequency would sound near middle C: 15936/(4 x

  5. Air horn - Wikipedia

    en.wikipedia.org/wiki/Air_horn

    An air horn is a pneumatic device designed to create an extremely loud noise for signaling purposes. It usually consists of a source which produces compressed air, which passes into a horn through a reed or diaphragm. The stream of air causes the reed or diaphragm to vibrate, creating sound waves, then the horn amplifies the sound making it louder.

  6. Screaming - Wikipedia

    en.wikipedia.org/wiki/Screaming

    Scream in music can also be seen in other ways than just a vocal action. Many musicians use scream as an inspirational source for their playing with instruments. This is usually represented in a loud hit on the instrument's chords, in the case of the instruments that have chords, or a loud striking note, on the blowing instruments. [citation ...

  7. Slide whistle - Wikipedia

    en.wikipedia.org/wiki/Slide_whistle

    Slide whistle Diagram of a slide whistle. Sections: 1: mouthpiece, 2: fipple, 3: resonant cavity, 4: slide, 5: pull rod, 6: pipe. A slide whistle (variously known as a swanee or swannee whistle, lotus flute, [1] piston flute, or jazz flute) is a wind instrument consisting of a fipple like a recorder's and a tube with a piston in it.

  8. Party horn - Wikipedia

    en.wikipedia.org/wiki/Party_horn

    A party horn (also known as a party blower or noisemaker) is a horn formed from a paper tube, often flattened and rolled into a coil, which unrolls when blown into, producing a horn-like noise.

  9. 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 ...

  1. Ad

    related to: how to whistle really loudly sound effect in powerpoint