
Loudness - Wikipedia
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.
Loudness | Acoustics & Perception of Sound | Britannica
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, …
LOUDNESS Definition & Meaning - Merriam-Webster
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 …
What Is Loudness and How Is It Measured? - Biology Insights
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 …
12.4: Sound Intensity and Sound Level - Physics LibreTexts
Sep 29, 2025 · Learning Objectives By the end of this section, you will be able to: Define intensity, sound intensity, and sound pressure level. Calculate sound intensity levels in decibels (dB).
Decibels Decoded: A Guide to Understanding Loudness
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, …
Acoustics Chapter One: Loudness - Indiana University Bloomington
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 …
Loudness - HyperPhysics
Loudness is not simply sound intensity! Sound loudness is a subjective term describing the strength of the ear's perception of a sound. It is intimately related to sound intensity but can by …
How Many Decibels Is Too Loud - RTINGS.com
Aug 22, 2025 · In this article, we'll unpack what loudness is and how it differs from things like volume. We'll discuss decibels and other ways of measuring loudness, and then give you …
Loudness – Definition & Detailed Explanation – Audio Terms …
Dec 31, 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 …