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How do I increase background noise in audacity? 

Noise (signal processing)
Noise measurement
Background noise
Noise
Direction of arrival

Answers from top 10 papers

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Papers (10)Insight
Journal Article•DOI
Sources of background noise and their influence on vertebrate acoustic communication
David Luther, Katherine E. Gentry 
01 Jan 2013-Behaviour
70 Citations
There are several ways that signalers could improve the efficiency of their acoustic signals to counteract the constraints of background noise.
Open access•Book Chapter•DOI
Passive Sonar Signal Detection and Classification Based on Independent Component Analysis
N. N. de Moura, J.M. de Seixas, Ricardo Argenton Ramos 
12 Sep 2011
26 Citations
The background noise may be produced by the sea ambient noise or the self-noise of the sonar platform.
Proceedings Article•DOI
Unified background noise model for Power Line Communication
Vincent Guillet, Guy Lamarque 
28 Mar 2010
16 Citations
This provides a new background noise function verified and useful for low and high data rate technologies and for further noise studies.
Journal Article•DOI
Measurement of aircraft noise in a high background noise environment using a microphone array
M. Genescà, Jordi Romeu, Robert Arcos, Sara R. Martin 
01 Jan 2013-Transportation Research Part D-transport and Environment
20 Citations
Using this technique, aircraft noise can be separated from the background noise providing a reference value of the aircraft sound pressure level for the sound level meter measurement.
Journal Article•DOI
Personal Music Players: Are We Measuring the Sound Levels Correctly?
Elliott H. Berger, Susan C. Megerson, Michael E. Stergar 
01 Aug 2009-The ASHA Leader
17 Citations
One mitigating factor in the presence of background noise is earphone type.
Journal Article•DOI
Terahertz multiwavelength phase imaging without 2π ambiguity
Lei Zhang, Yan Zhang, Cunlin Zhang, Yuejin Zhao, Xiaohua Liu 
15 Dec 2006-Optics Letters
28 Citations
Furthermore, this technique can effectively reduce the noise background.
Open access•Proceedings Article•DOI
A blind speech enhancement algorithm for the suppression of late reverberation and noise
Heinrich W. Lollmann, Peter Vary 
19 Apr 2009
33 Citations
This paper proposes a new speech enhancement algorithm for the suppression of background noise and late reverberation without a priori knowledge.
Journal Article•DOI
A method of background noise reduction in lidar data
Nianwen Cao, Cunxiong Zhu, Yangfeng Kai, Peng Yan 
07 May 2013-Applied Physics B
17 Citations
The background noise equation was verified using both observational lidar data and a simulated signal, indicating that it provides a reasonable measure of background noise levels in lidar data.
Open access•Proceedings Article•DOI
Direction of arrival tracking of an underwater acoustic source using particle filtering: Real data experiments
Xionghu Zhong, A.B. Premkumar, Wenwu Wang 
17 Apr 2013
14 Citations
Hence, the the effect due to background noise can be reduced.
Open access•Journal Article•DOI
A Novel Rolling Bearing Defect Detection Method Based on Bispectrum Analysis and Cloud Model-Improved EEMD
Yonghua Jiang, Chao Tang, Xiaodi Zhang, Weidong Jiao, Gang Li, Taotao Huang 
31 Jan 2020-IEEE Access
31 Citations
From theoretical analysis and experimental verification, it is demonstrated that the proposed method has superior performance in reducing multiple background noise.

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