Discrimination of Speech and Ship-radiated Noise Based on Frequency Spectrum Similarity

被引：0

作者：

Li Dawei ^{[1
]}

Yang Rijie ^{[1
]}

Han Jianhui ^{[1
]}

机构：

[1] Naval Aeronaut & Astronaut Univ, Dept Elect & Informat Engn, Yantai, Peoples R China

来源：

PROCEEDINGS OF THE 2015 INTERNATIONAL CONFERENCE ON ELECTRONIC SCIENCE AND AUTOMATION CONTROL | 2015年 / 20卷

关键词：

discrimination; similarity; frequency spectrum; two-stage approach; context smoothing; CLASSIFICATION;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, the discrimination of speech and ship-radiated noise has been studied, for their interference with each other in the modern sea war, and a new feature abbreviated as SFSD (the Similarity of the Frequency Spectrum Distribution of two successive signal frames) is introduced. Based on the feature, a new two-stage approach is proposed, which firstly computes the SFSF and classifies the signal into speech or ship-radiated noise roughly, and then in the second stage, with the help of context smoothing, the signal are final discriminated in to speech or ship-radiated noise. The algorithm is benchmarked on a large measured data set, with correct recognition accuracy of 96% for ship-radiated noise and that of 92% for speech. Experimental results show that efficiency is exceptionally good.

引用

页码：67 / 70

页数：4

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