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loudness    
n. 高声,大声,吵闹

高声,大声,吵闹

loudness
n 1: the magnitude of sound (usually in a specified direction);
"the kids played their music at full volume" [synonym:
{volume}, {loudness}, {intensity}] [ant: {softness}]
2: tasteless showiness [synonym: {flashiness}, {garishness},
{gaudiness}, {loudness}, {brashness}, {meretriciousness},
{tawdriness}, {glitz}]

Loudness \Loud"ness\, n.
The quality or state of being loud.
[1913 Webster]


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  • 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, it becomes painful and dangerous to the ear
  • Decibels Decoded: A Guide to Understanding Loudness
    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, context, and other factors
  • Loudness and Level – Introduction to Sensation and Perception
    Loudness is measured in terms of decibels (dB), a logarithmic unit of sound intensity A typical conversation would correlate with 60 dB; a rock concert might check in at 120 dB
  • 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 involved
  • Loudness Basics - AES
    Loudness is the perceived “strength” of a sound on a scale from quiet to loud It is a subjective measure that considers the sound intensity, frequency and duration of acoustic or electronically reproduced sounds
  • 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 because our perception of loudness is influenced by both the frequency and timbre of a sound
  • LOUDNESS | English meaning - Cambridge Dictionary
    The loudness of their arguing worried me, but then I realized that they were just excited Differences in loudness are measured in decibels
  • 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 no means be considered identical to intensity
  • 9. 2. Loudness and Sound Pressure Level – Sensation and Perception
    The most direct physical correlate of loudness is sound intensity (or sound pressure) measured close to the eardrum However, many other factors also influence the loudness of a sound, including its frequency content, its duration, and the context in which it is presented





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