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Development and application of audio-integrated ANC system for infant incubators

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This paper presents the application of audio-integrated active noise control (ANC) system for infant incubators. The integrated ANC algorithm is developed to reduce external harmful noises while playing healthy intrauterine sounds inside the incubators. Real-time experiments are conducted to evaluate the performance of an integrated system using a Giraffe incubator from GE Healthcare. The noise reduction achieved by ANC systems at uniformly-distributed three-dimensional locations inside the incubator is presented in tables and graphically. The single-channel ANC system is integrated with intrauterine sounds to mask residual noise and create a prenatal environment for the infants, and also enhance the performance of the incubator ANC system with time-varying secondary paths.

Document Type: Research Article


Publication date: March 1, 2010

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