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Loudness is the quality of a sound that is the primary psychological correlate of the amplitude of sound (physical strength). It is a feeling, which is neither the sound pressure as field quantity nor the acoustic intensity as energy quantity.
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Wiki User
∙ 13y ago
Wiki User
∙ 14y agoThe power (which corresponds to the loudness) is the square of the amplitude. However, the 'loudness' maybe be measured in dB, which is a logarithmic scale of power given by 10*log(Power) - e.g. 20 decibels is 10 times more powerful than 10 decibel. This expression can be written in terms of the amplitude: 10*log(Power) = 10*log(Amplitude^2) = 20*log(Amplitude).
Wiki User
∙ 13y agoAmplitude is a measurable physical quantity, whereas loudness is a perceptual attribute.
The relationship between the amplitude and loudness of a sound is not linear because of non-linearity in human perception (especially varying sensitivity of hearing at different frequencies). Consequently, different units are used to express the two quantities. The amplitude of a sound, for example, is likely to be expressed as SPL (Sound Pressure Level), which is a unit referenced to the atmospheric pressure variation accepted as corresponding to the threshold of hearing at 1 kHz (like I said, sensitivity varies with frequency, so it is necessary to specify the frequency for such a reference level). Loudness is expressed in units such as sones and phons, which are derived from the results of listening experiments.
Wiki User
∙ 12y agoLoudness is a function of the sound wave's amplitude of the sound pressure.
Amplitude is the volume of the sound (how loud it is).
Wiki User
∙ 12y agoloudness is a structure of loud voices whil amplitude is a type of fish
Wiki User
∙ 6y agoLoudness is really a subjective measure and is often confused with objective measures in decibel units of sound pressure or sound intensity.
Anonymous
The relationship between the amplitude and loudness of a sound is linear because of non-linearity.
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What does the amplitude of a sound wave determine?
Amplitude is the energy of a sound wave, which we also call Loudness
How does amplitude affect the loudness of a sound?
it is how loud the sound is ^Smartass comment. The real answer: Loudness is determined by the intensity of sound waves.
Which of these is associated with a sound's loudness?
Loudness is affected by parameters other than sound pressure, including frequency and duration. also sound wave amplitude
When the loudness of a sound and amplitude of a sound increases the amplitude of the sound produced will be?
The loudness of a sound is the same thing as the overall amplitude of a sound. When measuring sound, in general, you have pitch (frequency) and tone (amplitude, the measure of loudness). So, if you increase the amplitude of a sound wave pattern, you increase the overall intensity of the sound (the energy), and that can be measured on the logarithmic scale of decibels, since an unconstrained, undirected sound wave carries its energy outward in all directions, in an increasing volume of air (or other medium).
The loudness of a sound depends on its amplitude?
yes in a sense
Why does sound get louder when amplitude is increased?
Because there is a relationship between the amplitude of a sound wave and loudness of a sound.
Pitch is to frequency as loudness is to?
Loudness depends on the amplitude. square of amplitude is proportional to the loudness. Pitch is decided by the frequency. One can sing at higher pitch but at lower voice.
How does the amplitude of a soundwave affects the loudness of a note?
The amplitude is essentialy the volume (loudness).
How is the loudness related to amplitude?
The higher the amplitude the greater is the psychoacoustic feeling of the loudness.
What does the amplitude of a wave tell about a sound?
Amplitude is the maximum displacement of a wave. The amplitude determine the loudness of the sound
What is the relationship between frequency and picth?
the number of waves that passes a given point in one second is called frequency pitch is related to loudness or amplitude of sound
The loudness of a sound wave is determined by its?
By its amplitude. Really loudness is sound intensity & intensity depends on square of amplitude ie. higher the amplitude higher the intensity which means higher the loudness.
What does the amplitude of a sound wave determine?
Amplitude is the energy of a sound wave, which we also call Loudness
What is the property of waves responsible for loudness?
what is the property of waves responsible for loudess
Loudness is the human perception of sound wave?
The amplitude of sound waves is what humans perceive as loudness.
What is the difference between frequency and and amplitude?
so...saying about acoustic waves for e.?amplitude influences loudness and frequency - pitch of tone
Amplitude is the loudness also known as what wave?
amplitude is: the distance between the top or bottom of a wave and the center of the wave.
