noise (redirected from Noise (sound))

noise

1. a loud, harsh and objectionable sound.

2. interference in an ecological or electronic system, but insufficient to stop the system.

3. in statistics when extraneous, uncontrolled variables cause errors in the distribution of data.

---

noise pollution

noise in the environment that adversely affects, in our context, the animal inhabitants. No such ill effects have been demonstrated.

---

noise Electronics Random variation in signals of the electromagnetic spectrum that carries no useful information from the source. See Cymatics, Music therapy, Sound therapy Technology Poisson noise Fluctuation in the number of information carriers–photons, electrons, which appears as 'snow' in a cathode ray tube, a function of the statistical variation of the rays received by the detector and number of electrons produced by the photomultiplier. See White noise. Cf Chaos, Pink noise.