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  1. Sound - Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Sound   Cached
    Sound is a mechanical wave that is an oscillation of pressure transmitted through some medium (like air or water), composed of frequencies within the range of hearing.

  2. Microphone - Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Microphone   Cached
    A microphone (colloquially called a mic or mike) is an acoustic-to-electric transducer or sensor that converts sound into an electrical signal. Microphones are used ...
  3. artsites.ucsc.edu/EMS/music/tech_​background/TE-20/teces...   Cached
    Sound information exists as patterns of air pressure; ... This is the way any diaphragm will behave if sound can strike the ... There is no wrong microphone for any ...
  4. www.thefreedictionary.com/sound   Cached
    sound 1 (sound) n. 1. a. Vibrations transmitted through an elastic solid or a liquid or gas, with frequencies in the approximate range of 20 to 20,000 hertz, capable ...
  5. sprott.physics.wisc.edu/demobook/​chapter3.htm   Cached
    3. SOUND Sound appears to be a topic distinct from motion and heat. However, we now understand sound to be an ordered motion of the molecules of the medium through ...
  6. mysite.du.edu/~jcalvert/waves/​soundwav.htm   Cached
    Sound propagates through the medium with a speed independent of the ... there is really not much difference in the two ... Only in this way can sound die out in an ...
  7. www.the-clarinets.net/english/clarinet-​sound.html   Cached
    This lets the air (blue arrows) flow through the reed ... out there (a shorter way), ... listener and player the same way: The lister hears all sound through ...
  8. www.ehow.com/how_5860921_cancel-basic-​dig   Cached
    One of the most irritating aspects of home video shooting is the presence of unwanted background noise. Whether it's a buzz saw in the distance or the hum of a loud ...
  9. hep.ucsb.edu/courses/ph23/​Chap16Problems.pdf
    File format: Adobe PDF
    ... so sound travels faster in helium than in air. The normal- ... by the air through which the sound ... speed of sound in air to be 344 mls. A small microphone ...
  10. www.houserepairtalk.com/f106/sound-​proofing-blown...   Cached
    I don't think there is any insulation of ... blocks the sound transmitted through the air between ... has the same sound dampening as 8 sheets of normal ...