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KEYNOTE or KEYNOTE SOUND
Soundscape Studies / Music

In music, keynote identifies the key or tonality of a particular composition. It provides the fundamental tone around which the composition may modulate but from which other tonalities take on a special relationship.

In SOUNDSCAPE studies, keynote sounds are those which are heard by a particular society continuously or frequently enough to form a background against which other sounds are perceived. Examples might be the sound of the sea for a maritime community or the sound of the internal combustion engine or HUMs in the modern city. Often keynote sounds are not consciously perceived, but they act as conditioning agents in the perception of other SOUND SlGNALs. They have accordingly been likened to the ground in the figure-ground relationship of visual perception.

Compare: AMBIENCE, BACKGROUND NOISE, DRONE, FUNDAMENTAL, REDUNDANCY, SOUND EVENT, SOUNDMARK.

Sound Example: Rain ambience.

Sound Example: Electrical hum in a restaurant.

Sound Example: Corridor ambience with ventilation as a keynote sound in an office building.


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