Definition of "loudness" []

• The perceptual strength or amplitude of sound pressure, measured in sones or phons (noun)
• The physical strength of the sound pressure level, measured in decibels (noun)

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• "In addition, the stress placed at the end of a French sentence is also not a tonic accent -- a rise in loudness -- but a rise in pitch -- which we English speakers do only with questions (unless we are valley girls) -- that is, when asking a question, our voice goes from, say, middle C to F."
• "Such a misperception can lead to "loudness" -- all caps "screaming", hyperbole, exaggeration and such."
• "Although CDs have a wider dynamic range, mastering houses are often encouraged to compress the audio on CDs to make it as loud as possible: It's the so-called loudness war ."