Abstract

An audio signal analysis method using digital image processing technology is proposed, which is used to detect the abnormal signal of substation equipment. First of all, the sound signal acquisition with pickups that robot carrying. Secondly, the waveform of the sound signal is transformed into the image, and the image processing technique is used to process the image, and then the horizontal projection of the waveform image are analyzed. Finally, edge detection and Hough line detection are performed on the horizontal projection, the ratio of area which the line segment is calculated. The ratio of the area compare with the set threshold value, which greater than the threshold value is abnormal signal. The experimental results show that the algorithm can achieve the abnormal analysis of the sound signal, and the algorithm is simple and accurate.

Full Text
Paper version not known

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.