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Audio Signal Processing- Understanding Digital & Analog ...
https://www.pathpartnertech.com/audio-signal-processing-understanding-digital-analog-audio-signal-processing/#:~:text=Automatic%20Echo%20Cancellation%20%28AEC%29%20Acoustic%20Echo%20Canceller%20plays,by%20acoustic%20coupling%20between%20the%20microphone%20and%20loudspeaker.
Audio signal noise cancellation with adaptive filter ...
https://www.sciencedirect.com/science/article/pii/S2214785321049324
Noise has always been an un-favorable performer in any form of communication. Because noise is a random process that changes over time, it is estimated at each instant to cancel out the original signal. Unless a perfect noise cancellation system is used in voice communication, any recorded or live speech data signal transmitted will be useless. There are …
Active Noise Cancellation in Audio Signal Processing
https://www.irjet.net/archives/V3/i11/IRJET-V3I1104.pdf
Abstract - Noise cancellation of audio signal is key challenge problem in Audio Signal Processing. Since noise is random process and varying every instant of time, noise is estimated at every instant to cancel from the original signal. There are many schemes for noise cancellation but most effective scheme to accomplish noise cancellation is to use adaptive filter.
Selective Signal Cancellation for Multiple-Listener …
https://ict.usc.edu/pubs/SELECTIVE%20SIGNAL%20CANCELLATION%20FOR%20MULTIPLE-LISTENER%20AUDIO%20APPLICATIONS-%20AN%20INFORMATION%20THEORY%20APPROACH.pdf
cancel a signal in one audio channel, and transmit it in another (complementary) channel. Our results show an improvement in power gain at one location in the room relative to the other. 1. INTRODUCTION Selective signal cancellation is required in applications that require a signal of interest to be enhanced while minimiz-
Echo Cancellation in Audio Signal using LMS Algorithm
http://www2.ece.rochester.edu/courses/ECE472/resources/Papers/Nagendra_2011.pdf
function. In the case of acoustic echo cancellation, the optimal output of the adaptive filter is equal in value to the unwanted echoed signal. When the adaptive filter output is equal to desired signal the error signal goes to zero. In this situation the echoed signal would be completely cancelled and the far user
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