HOWLING DETECTION IN HEARING AIDS USING DISCRETE ENERGY SEPARATION ALGORITHM-2 AND GENERALIZED TEAGER-KAISER OPERATOR

被引：0
|
作者：
Khoubrouy, Soudeh A. [1 ]
Panahi, Issa M. S. [1 ]
Kehtarnavaz, Nasser [1 ]
机构：
[1] Univ Texas Dallas, Dept Elect Engn, Dallas, TX 75230 USA
来源：
2014 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP) | 2014年
关键词：
Hearing aid; howling detection; Teager-Kaiser operator; discrete energy separation;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Howling is one of the most annoying consequences of the acoustical coupling in hearing aids. In this paper, a method of howling detection is proposed applying Discrete Energy Separation Algorithm-2 (DESA-2) and Generalized Teager-Kaiser Operator (GTKO). Several GTKOs with various resolution parameters monitor the input signal to recognize the howling occurrence while DESA-2 is used to estimate the howling frequency. Performance of the proposed method is compared with two known howling detection approaches, i.e. Peak-to-Harmonic Power Ratio (PHPR) and Adaptive Notch Filter (ANF). Simulation results show the advantage of the proposed method in terms of having lower false detection and shorter detection time.
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页数：5
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