Digital hearing aids has the function of hearing compensation,which can effectly improve the hearing level of patients with hearing impairment without damaging the hearing condition.It now is the main way to solve the hearing impairment.In recent years,with the progress of science technology,the improvement and development of deep learning,microphone,computational scene analysis and other technologies have greatly promoted the development of digital hearing aids.This paper reviews the application status of loudness compensation,noise processing,speech enhancement,echo cancellation and other technologies in digital hearing aids,summarizes the research achievements of each technology and discusses their limitations and improvement methods.Finally,the future development direction of digital hearing aids is proposed.
关键词
数字助听器/响度补偿/语音增强/声源定位/回声消除
Key words
digital hearing aids/loudness compensation/speech enhancement/sound localization/echo cancellation
维普
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