Title :
New adaptive structures for speech enhancement in noisy environments
Author :
Martins, Carlos R. ; Piedade, Moisés S.
Author_Institution :
Escola Nautica Infante D. Henrique, Paco de Arcos, Portugal
Abstract :
New LMS adaptive noise cancellers based on multi-band structures are derived. The novel characteristics of the method are the low speech distortion and a computational burden which is merely fifty percent higher than the Widrow´s ANC. The proposed structures are immune to crosstalk, allowing higher robustness to instability and faster convergence than the CTRANC approach
Keywords :
adaptive signal processing; least mean squares methods; speech enhancement; LMS adaptive noise canceller; multi-band structure; speech enhancement; Convergence; Crosstalk; Filter bank; Finite impulse response filter; Least squares approximation; Microphones; Noise cancellation; Speech enhancement; Transfer functions; Working environment noise;
Conference_Titel :
Circuits and Systems, 1999. 42nd Midwest Symposium on
Conference_Location :
Las Cruces, NM
Print_ISBN :
0-7803-5491-5
DOI :
10.1109/MWSCAS.1999.867252
