Interest
Proportion of Hacker News items mentioning "loudness" over time.
Mentions
Total number of Hacker News items mentioning "loudness" over time.
In acoustics, loudness is the subjective perception of sound pressure. More formally, it is defined as the "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 includes physical, physiological and psychological components. The study of apparent loudness is included in the topic of psychoacoustics and employs methods of psychophysics. Read more on Wikipedia