background noise


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Related to background noise: Ambient noise

background noise

[′bak‚grau̇nd ‚nȯiz]
(acoustics)
The unwanted residual sound that is present whether or not the sound source being studied is in operation.
(engineering)
The undesired signals that are always present in an electronic or other system, independent of whether or not the desired signal is present.

background noise

The total noise from all sources other than a particular one of interest.

background noise

An extraneous signal that has crept into a line, channel or circuit.
References in periodicals archive ?
Thus, a saliency map composed of [S.sub.i] can filter out the interference of background noise.
Beamformer performance is not equally effective across all background noise sources.
Parents and teachers may find that reducing background noise or highlighting important information can help children learn even when there is background noise.
To eliminate background noise, the filtered signal corresponding to reference MIC must be subtracted from the filtered signal corresponding to primary MIC.
Add background noise. Play some music in the room at a low volume.
Figure 2 summarizes the intention of this study, which analyzed the effects of noise pollution in terms of intensity and sources of background noises on the cognitive performances of student-participants in a sampled province in the Philippines.
The same two frequencies (125 Hz and 500 Hz) and two background noise levels (40 dBA and 55 dBA) were tested for a total of 4 conditions, which were repeated once during the session; so subjects participated in 8 trials total in this test, with the specific presentation order randomized across all subjects.
Wang said that for 50 years, researchers have tried to pull out the speech from the background noise, asserting that hasn't worked, so they decided to try a very different approach: classify the noisy speech and retain only the parts where speech dominates the noise.
Although these methods of distinguishing insect sounds from background noise are not completely error-free, they have been used successfully in several previous studies to detect RPW (Mankin et al.
Background noise is golden but Justin Bieber (not to mention the gruesome twosome DJs) blaring out of the radio first thing in the morning is not.
As well as reducing loud background music to a reasonable and safe level, we are also supporting retailers to install working induction loops at customer facing points to enable hearing aid users to hear the amplified voice of customer service staff over any background noise.
Although the Sago miners were trapped within 280 feet, background noise interfered with the signals from the seismic system.

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