Title :
Striking sound extracting based on Approximate Entropy
Author :
Qiao, Zhihua ; Lin, Chuan ; Wang, Zijuan
Author_Institution :
Autom. Coll., Shenyang Inst. of areonautical Eng., Shenyang, China
Abstract :
The extract accuracy of signal is vital to signal process, directly affects result of all next doing. To sound signal Approximate Entropy was taken as acoustics character to analyze sound signal got by experiment, and judging it´s start and stop point accurately, then extracting striking sound from original signal. It is proved by experiment result the aim of extracting striking signal is satisfied by the method and preferences.
Keywords :
entropy; signal processing; acoustics character; signal accuracy extraction; signal processing; sound signal analysis; sound signal approximate entropy; striking sound extracting; striking sound extraction; Acoustic noise; Acoustic testing; Automation; Data mining; Educational institutions; Entropy; Noise level; Signal analysis; Signal processing; Working environment noise; Approximate Entropy (ApEn); environment noise; mode; striking sound; threshold;
Conference_Titel :
Control and Decision Conference (CCDC), 2010 Chinese
Conference_Location :
Xuzhou
Print_ISBN :
978-1-4244-5181-4
Electronic_ISBN :
978-1-4244-5182-1
DOI :
10.1109/CCDC.2010.5498994
