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1.Based on the principle of computational auditory scene analysis (CASA) and the frequency masking effect of human ears, a new simple single channel CASA speech enhancement algorithm was proposed to reduce the auditory effect of non speech noises in the mixed inputs.
基于听觉现象分析 (CASA)模型的基本原理 ,针对仅有非语音信号干扰情况下的单通道语音增强处理问题 ,利用人耳的频率掩蔽效应 ,提出了一种单通道简化 CASA计算模型语音增强新算法 .收藏指正
2.Lacking of specific biologic targets causes the difficulty of early diagnosis in AD. In present study, auditory event-related potential, (A-ERP)(P300), visual evoke potential (VEP), auditory brain -stem response (ABR), electroencephalograph (EEG) were investigated, particularly with non-linear Dynamic EEG analysis in order to help for early diagnosis.
临床上缺乏特异性的生物学指标为AD的早期诊断带来困难，为此本课题综合分析和探讨了轻、中度AD患者的听觉事件相关电位(auditory eventrelated potential，A-ERP)(又称P300)、视觉诱发电位(visual evoke potential VEP)、脑干听觉诱发电位(auditory brain-stem response，ABR)、脑电图(eiectroencephalography,EEG)的表现及可能的机理。收藏指正
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