Title :
Psychoacoustical excitation of the (N)LMS algorithm for acoustical system identification
Author_Institution :
Res. & Dev. Centre, BMW AG, Munich, Germany
Abstract :
This paper presents an algorithm and an implementation of orthogonal perfect correlation sequences for acoustical system identification using psychoacoustical masking effects. Therefore, the common NLMS-algorithm has been modified to incorporate hidden orthogonal Ipatov- and Huffman-sequences for fast system identification. Using this method, the speed and accuracy of the identification of the loudspeaker-room-microphone-system is increased and the overall-performance of an echo and noise cancellation has been improved
Keywords :
acoustic noise; acoustic signal processing; echo suppression; hearing; identification; least mean squares methods; sequences; speech processing; Huffman-sequences; Ipatov-sequences; LMS algorithm; NLMS-algorithm; acoustical system identification; echo cancellation; loudspeaker-room-microphone-system; noise cancellation; orthogonal perfect correlation sequences; psychoacoustical excitation; psychoacoustical masking; Acoustic signal processing; Australia; Humans; Mobile communication; Noise cancellation; Psychology; Research and development; Signal processing algorithms; Speech; System identification;
Conference_Titel :
Signal Processing and Its Applications, 1999. ISSPA '99. Proceedings of the Fifth International Symposium on
Conference_Location :
Brisbane, Qld.
Print_ISBN :
1-86435-451-8
DOI :
10.1109/ISSPA.1999.815843
