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signal energy

sound

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utilized by loudspeaker

  • loudspeaker
    In loudspeaker

    …converting electrical energy into acoustical signal energy that is radiated into a room or open air. The term signal energy indicates that the electrical energy has a specific form, corresponding, for example, to speech, music, or any other signal in the range of audible frequencies (roughly 20 to 20,000 hertz).…

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