1. Ali M.(1998).Stereophonic Acoustic Echo Cancellation System Using Time‐varying All‐pass Filtering for Signal Decorrelation Proceedings of the IEEE International Conference on Acoustics Speech and Signal Processing (ICASSP) vol.6 pp.3689–3692.
2. Antweiler C.(1995).Orthogonalizing Algorithms for Digital Compensation of Acoustic Echoes PhD thesis.Aachener Beiträge zu digitalen Nachrichtensystemen vol.1 P.Vary(ed.) RWTH Aachen University(in German).
3. Multi-Channel System Identification with Perfect Sequences– Theory and Applications–
4. System Identification with Perfect Sequences Based on the NLMS Algorithm;Antweiler C.;Archiv für Elektronik und Übertragungstechnik,1995
5. Perfect sequence excitation of the NLMS algorithm and its application to acoustic echo control