In telecommunication, the term noisy black has the following meanings:
In facsimile or display systems, such as television, a nonuniformity in the black area of the image, i.e., document or picture, caused by the presence of noise in the received signal.
A signal or signal level that is supposed to represent a black area on the object, but has a noise content sufficient to cause the creation of noticeable white spots on the display surface or record medium.
Its nest, which is similar to that of the broad-tailed thornbill, is well hidden behind peeling bark, in a knothole of a tree or in the dead skirt of a grass tree.
The white-browed scrub-wren, a secretive but very noisy bird, is common in dense vegetation along streams, valleys and on slopes but is hard to see unless you sit quietly and wait for it to approach.
The fl, white and yellow striped New Holland honeyeater, with its shining white eyes, is also abundant and noisy, especially in the dense understorey.
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