Title：Wearable brainstem response recording device
Country：China
Patent No.：202110909854.1
Legal Status：Under review
Inventor：Jiaxin Lei, Xin Li,Wenjing Chen,Milin Zhang,Xiaoyan Ma
Assignee：Beijing ningju Technology Co., Ltd，Tsinghua University
Address：No. 1601, 16th Floor, Block D, Tsinghua Tongfang Science and Technology Building, No. 1, Wangzhuang Road, Haidian District, Beijing，100089， China
Filing Date：2021-08-09
Issue Date：
Abstract：
The invention relates to a wearable brainstem response recording device, which comprises a sampling module, a sound stimulation module, a control module and a sound conduction module, and is characterized in that the sound stimulation module is used for generating stimulation audio and playing the stimulation audio through the sound conduction module; the sampling module is used for sampling brainstem response data responding to the stimulation audio and sending a sampling event to the control module; and the control module is used for receiving the sampling event, obtaining the brainstem response data from the sampling module in response to the sampling event, and storing the brainstem response data in a preset storage space by adopting a direct memory reading DMA mode. In this way, brainstem response data collection is achieved, a direct memory is used for reading DMA, an equipment CPU does not need to be occupied, interrupt processing tasks of the CPU are reduced, data loss is avoided, and the reliability of data collection is improved.
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