Impulse noise (acoustics)
 | This article needs additional citations for verification. (June 2022) |
Impulse noise is a category of (acoustic) noise that includes unwanted, almost instantaneous (thus impulse-like) sharp sounds (like clicks and pops)—typically caused by electromagnetic interference, scratches on disks, gunfire, explosions, pickleball play, and synchronization issues in digital audio. High levels of such a noise (200+ decibels) may damage internal organs[citation needed], while 180 decibels are enough to damage human ears.
An impulse noise filter can enhance the quality of noisy signals to achieve robustness in pattern recognition and adaptive control systems. A classic filter used to remove impulse noise is the median filter, at the expense of signal degradation. Thus it's quite common to get better performing impulse noise filters with model-based systems, which are programmed with the time and frequency properties of the noise to remove only impulse obliterated samples.[1]
See also
[edit]References
[edit]- ^ Siamack Ghadimi (2012), Impulsive noise effect in wireless relay communication, Wireless Sensor Network
 | This technology-related article is a stub. You can help Wikipedia by expanding it. |