background noise


  • WordNet 3.6
    • n background noise extraneous noise contaminating sound measurements that cannot be separated from the desired signal
    • ***


In literature:

His cuckoo clocks could be heard in chorus against the background noise of the street and the blacksmith's rhythmic clanging.
"L'Assommoir" by Emile Zola
The voices of the rapids have dropped into the background, as have the dashing noises of the stream.
"The Forest" by Stewart Edward White
Something murmured soothingly in the background and overcame the noises in his head.
"A Diversity of Creatures" by Rudyard Kipling
It looked as if stamped in ink against the yellow background, and, like the former intruder, was advancing without noise.
"Two Boys in Wyoming" by Edward S. Ellis
There was a moment's silence, a silence with a background of strange noises.
"Mr. Grex of Monte Carlo" by E. Phillips Oppenheim
It was the multiple recording of ten thousand different conversations, all meaningless, against a background of "white" noise.
"A Spaceship Named McGuire" by Gordon Randall Garrett
Anywhere within the Solar System, a screamer can broadcast enough energy to overcome the background noise.
"Hanging by a Thread" by Gordon Randall Garrett
It has been quite difficult for us to study your customs and history with this high level background noise.
"Assassin" by Jesse Franklin Bone
The background noise from the choppy sea must have been enough to mask their approach.
"Project Cyclops" by Thomas Hoover
The voices of the rapids have dropped into the background, as have the dashing noises of the stream.
"Modern Essays" by John Macy

In news:

For kids, TV is life's background noise .
Yep, Google Just Patented Background Noise .
TV can be good for kids' exercise, bad for background noise .
It's the perennial question of whether the blurbs on book covers are still meaningful or have become just background noise.
Walk across a bouncy rubber tongue complete with taste buds and realistic burping noises in the background.
If semiconductor-based imagers are not constantly cooled, their heat can create so much background noise that the incoming infrared light gets lost.
We must read hundreds in the course of our commodity-saturated day, but we use a special part of our brains, a junkyard reserved for background noise, that allows us to imbibe messages, even act on them, without being aware.
Cons Poor background noise supression.
John Cordes/Icon SMITrumbo's season-long excellence is not much more than background noise these days.
The music cannot be background noise, and seeing a song deconstructed into black mites on the page is akin to seeing a building you pass by every day reduced to a pile of bricks.
The Trouble With Background Noise.
But let's say you do want a television in your bath — perhaps you enjoy its background noise while you prepare for bed, or you like to get a jump on the day's headlines as you primp in the mornings.
Like the sounds of a crying child on an airplane, partisan bickering has become unavoidable background noise.
At the time, it was all background noise as I proceeded to do my homework or help Grandma with the ironing (which at that time was fascinating work for some peculiar reason.
Trying to sort out confusing sounds is no longer a problem because background noise and distractions are eliminated.

In science:

From a data analysis point of view, we try to develop a technique able to remove this interference while producing a minimum disturbance to the underlying noise background .
Removing Line Interference from Gravitational Wave Interferometer Data
The rms background fluctuations (δI ) imply a sky noise σconf = h(δI )2 i1/2 for observations with spatial resolution ωef f .
High-Redshift Galaxies: The Far-Infrared and Sub-Millimeter View
In a recent work, Tinto at. al have used Doppler delayed beams for discriminating the stochastic background from the instrumental noise.
Algebraic approach to time-delay data analysis for LISA
The photon background on the imager had to be treated with particular care since for Z = 1 particles, the yield is small with ∼1-10 hit pixels per event, depending on the radiator material, and nondiscriminated noise hits could damage considerably the accuracy on the velocity measurement.
Experimental study of a proximity focusing Cherenkov counter prototype for the AMS experiment
Results of the numerical simulations concerning the detection capabilities of the matched and the pseudofilters (see text) in the one dimensional case and for a white noise background.
On Optimal Detection of Point Sources in CMB Maps