loudness


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loudness

The perceived intensity of sound. It often reflects the amplitude and frequency of a sonic stimulus, but because it varies from person to person, it is a subjective, rather than a purely measurable entity.
See: decibel
References in periodicals archive ?
The other variables (presence of tremor and/or changes in pitch and loudness) did not differ between groups.
While file-based processing has the benefit of tailoring the loudness adaptation with no time constraints, it cannot fulfill the requirements of live productions and of multicast distribution.
Five subjective metrics, including loudness, sharpness, tonality, spectral centroid and Kurtosis, are analyzed for the cases with various gear faults.
In Egypt, there is an impression that loudness creates dominance; in reality, dominant personalities derive their strength from the state's backing.
In a recent study, several parameters reflecting "objective" soundscape information, including perceived loudness and occurrences of individual sound categories and soundscape diversity index was studied in relation to landscape characteristics (Liu et al.
Calculate loudness levels through incorporating equal-loudness contours [Phon].
Writing in the Journal of Feline Medicine and Surgery, the researchers said: "The sounds responsible are high-pitched sounds, often relatively quiet sounds, with increasing loudness and persistence."
An ambitious National Park Service project exploits computer algorithms to predict the loudness of a typical summer day from coast to coast.
The degree of tinnitus was evaluated before and after treatment in each group in three ways: (l)the Tinnitus Severity Index (TSI), (2) a subjective 10-point self-assessment scale for tinnitus loudness, and (3) the Tinnitus Evaluation Test (TET).
Based on the study we conducted we now know that a loud voice vote can be the equivalent of three or four votes of moderate loudness, in a group as large as 40-70 people.
Film ban bid over loudness CONNECTICUT could become the first state to curb loud films under proposed legislation which is drawing opposition from the Motion Picture Association of America.
It also delivers a low profile of 1.9 mm, while maintaining a loudness of 65 dB minimum at 4 kHz (with a battery friendly drive voltage of +/-1.5 Vo-p).