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  2. Soundwave (Transformers) - Wikipedia

    en.wikipedia.org/wiki/Soundwave_(Transformers)

    Dark of the Moon Human Alliance Soundwave with Laserbeak and Mr. Gould (2011 in Japan, later 2012 in the US) A new Human Alliance figure of Soundwave with Laserbeak and a 2-inch Dylan Gould driver figure. Soundwave's license plate reads "SUPERIOR" - a reference to his catch phrase, "Soundwave superior," from The Transformers: The Movie ...

  3. List of The Transformers characters - Wikipedia

    en.wikipedia.org/wiki/List_of_The_Transformers...

    Soundwave: Microcassette recorder: More Than Meets the Eye (Part 1) The Return of Optimus Prime (Part 1) Frank Welker, Hal Rayle (in "Fight or Flee") Alive Soundwave is Megatron's most loyal soldier. [126] It is said Soundwave can hear an Autobot leak. Uses anything he hears for blackmail to advance his status. Opportunist. Despised by all ...

  4. Sound test - Wikipedia

    en.wikipedia.org/wiki/Sound_test

    A sound test is a function built into the options screen of many video games. This function was originally meant to test whether the game's music and sounds would function correctly (hence the name), as well as giving the player the ability to compare samples played in Monaural , Stereophonic and later Surround sound.

  5. Tube sound - Wikipedia

    en.wikipedia.org/wiki/Tube_sound

    Tube sound (or valve sound) is the characteristic sound associated with a vacuum tube amplifier (valve amplifier in British English), a vacuum tube-based audio amplifier. [1] At first, the concept of tube sound did not exist, because practically all electronic amplification of audio signals was done with vacuum tubes and other comparable ...

  6. The Transformers: Spotlight - Wikipedia

    en.wikipedia.org/wiki/The_Transformers:_Spotlight

    No. Title Release date ISBN 01: Spotlight: Shockwave September 13, 2006 — Writer: Simon Furman Artist: Nick Roche Six hundred thousand years ago, during the Cybertronian civil war between the Autobots and Decepticons, the Decepticon scientist Shockwave launches thirteen missiles of raw Energon at thirteen different worlds in an attempt to create a new energy source for the dying Cybertron.

  7. Acoustic resonance - Wikipedia

    en.wikipedia.org/wiki/Acoustic_resonance

    Within a tube, a standing wave is formed, whose wavelength depends on the length of the tube. At the closed end of the tube, air molecules cannot move much, so this end of the tube is a displacement node in the standing wave. At the open end of the tube, air molecules can move freely, producing a displacement antinode. Displacement nodes are ...

  8. Thermo-acoustic instability - Wikipedia

    en.wikipedia.org/wiki/Thermo-acoustic_instability

    A very simple mechanism of acoustic amplification was first identified by Lord Rayleigh in 1878. [4] [5] In simple terms, Rayleigh criterion states that amplification results if, on the average, heat addition occurs in phase with the pressure increases during the oscillation. [1].

  9. Rijke tube - Wikipedia

    en.wikipedia.org/wiki/Rijke_tube

    The sound wave is therefore reinforced once every vibration cycle, and it quickly builds up to a very large amplitude. This explains why there is no sound when the flame is heating the gauze: all air flowing through the tube is heated by the flame, so when it reaches the gauze, it is already hot and no pressure increase takes place.