Q:

How do you measure sound?

A:

Quick Answer

While sound is most commonly measured in decibels, it can also be measured in hertz for other purposes. Decibels measure the volume of sound, while hertz are used to measure the frequency.

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How do you measure sound?
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Full Answer

Sounds occur when something vibrates and causes pressure waves. Human ears sense these pressure waves and interpret them as sounds. The sounds vary in intensity depending on how much energy is within the wave. More energy equates to more intense sounds. This intensity is measured in decibels with the aid of a decibel meter. Once the intensity is determined, the frequency (the number of vibrations made by the wave per second) can be measured in hertz.

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Related Questions

  • Q:

    How loud is 50 decibels?

    A:

    Fifty decibels is the level of noise of a quiet conversation at home or a quiet stream. In comparison, the general base of 70 decibels is the noise level of a vacuum cleaner or of radio and TV audio.

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    What are some methods to censor sound?

    A:

    A common method used to censor sound includes the playback of a loud, single-tone "beep" sound in place of the sound to be censored. Offending sounds may also be silenced completely.

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    How do you measure DC offset?

    A:

    Measuring a DC offset begins with purchasing a multimeter. The second step is preparing the amplifier and then connecting the multimeter to the amplifier. An offset of 20 to 50mv is higher but preferable. Anything above 50 is dangerous for the speakers.

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    How do you measure speaker size?

    A:

    The size of a speaker can be expressed in different ways that depend on the purpose of the measurement. A single speaker can be one size for installation purposes, another size for the purchase of a repair kit, and yet another size for expressing potential power.

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