0 a sound or sounds, especially when it is unwanted, unpleasant, or loud:
traffic/background noise
dangerously high noise levels
1 any bad change in a signal, especially in a signal produced by an electronic device:
2 unexplained or unexpected information in a sample that is not useful and that can be ignored:
There will be a certain amount of statistical noise in the numbers.
3 (a) sound, esp. when it is unwanted, unpleasant, or loud:
4 unnecessary information or activity:
5 a change in a signal, especially one produced by electronic equipment:
Lots of people have complained about the noise.
His main dislikes about work are the noise and dust in the factory.
Sudden noises scare her.
There's something wrong with the engine - it's making strange noises.
The record noises become abstract at one level but remain connected to the pathos of ageing technology.
The results show that, although the thinned image contains various noises, the peg and the hole are recognized easily by using the proposed algorithm.
Our model of learning is precisely adapted to extracting signals from noises.
