The meaning of LOUDNESS is the attribute of a sound that determines the magnitude of the auditory sensation produced and that primarily depends on the amplitude of the sound wave involved.

Loudness, a subjective measure, is often confused with physical measures of sound strength such as sound pressure, sound pressure level (in decibels), sound intensity or sound power.

The loudness of their arguing worried me, but then I realized that they were just excited. Differences in loudness are measured in decibels.

Definition of loudness noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

The loudness of sound as perceived by human ears is roughly proportional to the logarithm of sound intensity: when the intensity is very small, the sound is not audible; when it is too great, it becomes …

May 25, 2025 · Loudness, in a scientific and practical sense, is the subjective perception of sound pressure. Two sounds at the same decibel level can feel different depending on frequency, duration, …

Aug 6, 2025 · Loudness is a subjective, psychological perception of sound intensity, contrasting with the objective physical property of sound pressure. The human ear and brain work together to interpret …

Sep 24, 2025 · Loudness refers to the perceived intensity of sound, while volume refers to the physical amplitude of the sound wave. Volume is typically measured in units such as watts or volts, while …

Loudness is the way in which we perceive amplitude. As mentioned above, a particular change in amplitude is not necessarily perceived as being a proportionate change in loudness. That is because …

LOUDNESS definition: exceptional volume or intensity of sound; the fact or quality of being strongly audible. See examples of loudness used in a sentence.