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Published in:
2020 | OriginalPaper | Chapter
Noise Reduction for Continuous Positive Airway Pressure Machine
Authors : Cheng-Yuan Chang, Sen M. Kuo, Xiu-Wei Liu
Published in: Future Trends in Biomedical and Health Informatics and Cybersecurity in Medical Devices
Publisher: Springer International Publishing
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Abstract
Continuous Positive Airway Pressure (CPAP) machine is a form of positive airway pressure ventilator, which utilizes mild air pressure on a continuous basis to keep the airways continuously open in people who are not able to breathe spontaneously on their own. The CPAP machine is widely used for sleep apnea patients. This paper presents the development of active noise control (ANC) system for reducing the noise from CPAP machine. By integrating loudspeaker and microphones, we develop feedback ANC structure and filtered-X least mean square (FXLMS) algorithm using the Texas Instrument (TI) TMS320C6713 starter kit. Real-time experimental results show that the proposed method reduces the noise of CPAP machine and achieves global cancellation of the noise.