基于TMS320VC5416DSP的数字助听器设计  

Design of Audiphone Based on TMS320VC5416DSP

作　　者：王蕾[1] 关可[1] 

机构地区：[1]长安大学信息工程学院,陕西西安710064

出　　处：《现代电子技术》2010年第8期169-172,共4页Modern Electronics Technique

摘　　要：整个系统以DSP为核心,结合TI公司高性能立体音频Codec芯片TLV320AIC23构建硬件环境,并在此基础上实现音频双通道方向性选择,多通道压缩算法,噪声消除以及反馈消除等助听器关键算法。该系统功耗低,使用中参数可调节,满足听障患者对听力进行补偿的要求,也为进一步研究助听器高级算法搭建了较好的实验平台。The entire system takes DSP as a core, constructs hardware environment in combination with high performance stereo audio codec chip TLV320AIC23 produced by TI Company, and realizes dual-channel audio directional options, multi-channel compression algorithm, and the elimination of noise and feedback on the basis of the hardware environment, The system has low power consumption, adjustable parameters in use to meet the needs of hearing-impaired patients for compensating their hearing, a better experimectal platform is prvided for a further study of high-level algorithm of hearing aids.

关 键 词：助听器 滤波 补偿 自适应 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]