background noise

(1) In recording and reproducing, the unwanted disturbance within a useful Frequency band, independent of whether or not a signal is present. The signal is not to be included as part of the disturbance. (2) In receivers, the random oscillation in the absence of signal modulation on the carrier. ambient oscillations detected, measured, or recorded with the signal become part of the background noise. Included in this definition is the Interference resulting from Primary power supplies.

Related Terms
background,   background noise,   coherent noise,   noise,   Signal to Noise Ratio,   Signal to Noise Ratio SNR,  

External links for background noise
background noise on Wikipedia
background noise on Google
background noise on Yahoo!
background noise on Answers
background noise on The Free Dictionary

The Timbercon Technology Glossary continues to expand and improve. If you have suggestions for improvement, we would enjoy hearing from you. Please contact the webmaster here.

Home : Fiber Optic Education » Technology Glossary » background noise