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Research progress of microphone array based front-end speech enhancement technology for cochlear implant / 生物医学工程学杂志
Journal of Biomedical Engineering ; (6): 696-704, 2019.
Article in Chinese | WPRIM | ID: wpr-774152
ABSTRACT
Microphone array based methods are gradually applied in the front-end speech enhancement and speech recognition improvement for cochlear implant in recent years. By placing several microphones in different locations in space, this method can collect multi-channel signals containing a lot of spatial position and orientation information. Microphone array can also yield specific beamforming mode to enhance desired signal and suppress ambient noise, which is particularly suitable to be applied in face-to-face conversation for cochlear implant users. And its application value has attracted more and more attention from researchers. In this paper, we describe the principle of microphone array method, analyze the microphone array based speech enhancement technologies in present literature, and further present the technical difficulties and development trend.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Speech / Speech Perception / Cochlear Implants / Cochlear Implantation Limits: Humans Language: Chinese Journal: Journal of Biomedical Engineering Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Speech / Speech Perception / Cochlear Implants / Cochlear Implantation Limits: Humans Language: Chinese Journal: Journal of Biomedical Engineering Year: 2019 Type: Article