<P> In acoustics , loudness is the subjective perception of sound pressure . More formally , it is defined as , `` That attribute of auditory sensation in terms of which sounds can be ordered on a scale extending from quiet to loud . '' The relation of physical attributes of sound to perceived loudness consists of physical , physiological and psychological components . The study of apparent loudness is included in the topic of psychoacoustics and employs methods of psychophysics . </P>
<P> In acoustics , loudness is the subjective perception of sound pressure . More formally , it is defined as , `` That attribute of auditory sensation in terms of which sounds can be ordered on a scale extending from quiet to loud . '' The relation of physical attributes of sound to perceived loudness consists of physical , physiological and psychological components . The study of apparent loudness is included in the topic of psychoacoustics and employs methods of psychophysics . </P>
what is the meaning of loudness in science
what is the meaning of loudness in science
the subjective perception of sound pressure
the subjective perception of sound pressure