perception of loudness

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• Loudness — is the quality of a sound that is the primary psychological correlate of physical strength (amplitude).Loudness, a subjective measure, is often confused with objective measures of sound pressure such as decibels or sound intensity. Filters such… …   Wikipedia

• Loudness compensation — is a setting found on some hi fi equipment and equalisers that boosts high and low frequencies. [cite web url = http://stereos.about.com/od/advancedstereotopics/a/dynamicEQ.htm title = Audyssey Laboratories Dynamic EQ accessdate = 2008 05 10… …   Wikipedia

• Equal-loudness contour — An equal loudness contour is a measure of sound pressure (dB SPL), over the frequency spectrum, for which a listener perceives a constant loudness when presented with pure steady tones. The unit of measurement for loudness levels is the phon, and …   Wikipedia

• space perception — Introduction       process through which humans and other organisms become aware of the relative positions of their own bodies and objects around them. Space perception provides cues, such as depth and distance, that are important for movement… …   Universalium

• time perception — Introduction       experience or awareness of the passage of time.       The human experience of change is complex. One primary element clearly is that of a succession of events, but distinguishable events are separated by more or less lengthy… …   Universalium

• movement perception — ▪ process Introduction       process through which humans and other animals orient themselves to their own or others physical movements. Most animals, including humans, move in search of food that itself often moves; they move to avoid predators… …   Universalium

• Color symbolism and psychology — For the physiological perception of color, see color and color vision. In art and anthropology, color symbolism refers to the use of color as a symbol throughout culture. Color psychology refers to investigating the effect of color on human… …   Wikipedia

• Dynamic range compression — This article is about a process that intentionally reduces the dynamic range of audio signals. For similar reductions caused by circuit imperfections, see Gain compression. For processes that reduce the size of digital audio files, see Audio… …   Wikipedia

• Rhythm — For other uses, see Rhythm (disambiguation). Rhythm, a sequence in time repeated, featured in dance: an early moving picture demonstrates the waltz …   Wikipedia

• Noise weighting — A noise weighting is a specific amplitude vs. frequency characteristic that is designed to allow subjectively valid measurement of noise. It emphasises the parts of the spectrum that are most important. Usually, noise means audible noise, in… …   Wikipedia

• Quantization (signal processing) — In digital signal processing, quantization is the process of approximating a continuous range of values (or a very large set of possible discrete values) by a relatively small set of discrete symbols or integer values.More specifically, a signal… …   Wikipedia