可编程听力图匹配使用频率采样滤波器实现在德州tms320c30

[Proceedings] ICASSP-92: 1992 IEEE International Conference on Acoustics, Speech, and Signal Processing Pub Date : 1992-03-23 DOI:10.1109/ICASSP.1992.226079

N. Black, M. Lydon, N. Waterman, M. Powderly

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引用次数: 2

摘要

本文介绍了一种频率采样滤波器的实现方法，该滤波器由德州tms320c30 DSP和相关电路组成。该滤波器实时运行，并用于提供响应，由人体听力图确定，补偿增益损失。该算法使用由具有400个零级联的梳状滤波器和167个数字谐振器组成的滤波器结构来满足给定的要求。

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Programmable audiogram matching using a frequency sampling filter implemented on the Texas TMS 320C30

A frequency sampling filter which has been implemented on a master digital hearing aid comprising a Texas TMS 320C30 DSP and associated circuitry is presented. The filter runs in real time and is used to provide a response, determined from the human audiogram, which compensates for loss of gain. The algorithm matches given requirements using a filter structure consisting of a comb filter having 400 zeros in cascade with 167 digital resonators.<>

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[Proceedings] ICASSP-92: 1992 IEEE International Conference on Acoustics, Speech, and Signal Processing

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