Title :
Speech enhancement using array signal processing with 4th-order cumulant
Author_Institution :
Electrotech. Lab., Tsukuba, Japan
Abstract :
A method of speech enhancement using microphone-array signal processing based on the 4th-order spatial cross-cumulant matrix is proposed. The results of the simulation show approximately 5 dB of improvement in noise reduction obtained for a vowel portion of speech
Keywords :
array signal processing; higher order statistics; interference suppression; matrix algebra; speech enhancement; 4th-order cumulant; microphone-array signal processing; noise reduction; simulation; spatial cross-cumulant matrix; speech enhancement; vowel portion; Array signal processing; Covariance matrix; Delay estimation; Direction of arrival estimation; Eigenvalues and eigenfunctions; Gaussian noise; Matrix decomposition; Noise reduction; Sensor arrays; Speech enhancement;
Conference_Titel :
Signal Processing Proceedings, 1998. ICSP '98. 1998 Fourth International Conference on
Conference_Location :
Beijing
Print_ISBN :
0-7803-4325-5
DOI :
10.1109/ICOSP.1998.770239
