Loudness is designed to compensate for normal changes in the ear’s sensitivity when listening to audio at low volumes. Should I use loudness on Sonos?īalance on the PLAY:1 is only adjustable when it is used in a stereo pair. Correct loudness compensation required a calibrated system with known listening level. Loudness compensation is a setting found on some hi-fi equipment that increases the level of the high and low frequencies. It is meant to compensate the human hearing sensitivity at very low volumes (reinforce bass quite a lot, treble a bit less). On a good system at normal listening volume it should never be necessary to use the loudness switch. phon: A unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone judged to be as loud as the sound being measured. It is defined as dB = 10 * log10(P 1/P 2), where P1 and P2 are the relative powers of the sound. At higher volumes, it should not be necessary. If you are listening at low volume, you might prefer the sound with the loudness on. In other words, if the loudness contouring control is not enabled at low volume levels, bass and treble appear to be lacking. The loudness control is simply intended to significantly boost low and high frequencies when listening at low levels so that the ear perceives an overall flatter sound pressure level. The terms loudness, volume and gain do not, technically, mean the same thing.
Volume is an imprecise term that we usually use in reference to a radio, TV, stereo, or other instruments. It is subjective – for example, what is loud to you may be imperceptible to someone with a hearing problem. Loudness Versus Volume It is how loud the sound is to you. This means loud sounds have a large amplitude. The louder a sound, the more energy it has. The word is commonly used to define the magnitude or loudness / intensity of sound. The word “volume” refers to how much space a three-dimensional object takes up.
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