filter bank design forFilter Bank Design for Digital Speech Signal Processing Methods and Applications Jan Mark de Haan RONNEBY, J UNE 2004 D EPARTMENT OF S IGNAL P ROCESSING B LEKINGE I NSTITUTE OF T ECHNOLOGY S-372 25 RONNEBY, S WEDEN c Jan Mark de Haan Doctoral Dissertation Series 2004:03 ISSN 1650-2159 ISBN 91-7295-038-2 Cover illustration: Lianne de Haan Published 2004 Printed by Kaserntryckeriet AB Karlskrona, Sweden iii Abstract Adaptive lter theory is an important subject in the eld of signal processing and has numerous applications in speech processing, telecommunications and mechanical engineering. Examples in speech processing include suppression of background noise, echo cancellation and dereverberation (acoustic path equalization). Examples in telecommunications include channel equalization ……