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    Formula for Measuring Sound and Loudness

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    The loudness of sound is based on intensity level measured in decibels using a logarithmic scale and is relative to (a ratio of) the weakest sound the ear can hear.

    How is sound measured? Can you also include the following items in your posting:
    - The formula for measuring sound.
    - Pick a specific sound, give the decibels of the sound, and explain what this measurement means.

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    Solution Preview

    Sound is measured by sound intensity, which is defined as the sound power per unit area. The usual context is the measurement of sound intensity in the air at a ...

    Solution Summary

    The formula for measuring sound is discussed. Links are included in the explanation.