Acoustic echo cancellation using a fast QR-RLS algorithm and multirate schemes

F. Capman; J. Boudy; P. Lockwood

Acoustic echo cancellation using a fast QR-RLS algorithm and multirate schemes

F. Capman
, J. Boudy
, P. Lockwood

Matra Communication

Research output: Contribution to journal › Conference article › peer-review

15 Citations (Scopus)

Abstract

High quality acoustic echo cancellation is now required by hands-free systems used in mobile radio and teleconference communications. The demand for fast convergence, good tracking capabilities, and reduced complexity cannot be met by classical adaptive filtering algorithms. In this paper, a new echo canceller using multirate systems and a Fast QR-decomposition based RLS algorithm is investigated. Simulation results demonstrate efficiency of this new combined structure for acoustic echo cancellation, and a fixed-point implementation of the proposed scheme confirms the expected numerical robustness of the Fast QR-RLS algorithm.

Original language	English
Pages (from-to)	969-972
Number of pages	4
Journal	ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
Volume	2
Publication status	Published - 1 Jan 1995
Externally published	Yes
Event	Proceedings of the 1995 20th International Conference on Acoustics, Speech, and Signal Processing. Part 2 (of 5) - Detroit, MI, USA Duration: 9 May 1995 → 12 May 1995

Cite this

@article{0f5e4cb67f6948eba0e8c93bd8056f87,

title = "Acoustic echo cancellation using a fast QR-RLS algorithm and multirate schemes",

abstract = "High quality acoustic echo cancellation is now required by hands-free systems used in mobile radio and teleconference communications. The demand for fast convergence, good tracking capabilities, and reduced complexity cannot be met by classical adaptive filtering algorithms. In this paper, a new echo canceller using multirate systems and a Fast QR-decomposition based RLS algorithm is investigated. Simulation results demonstrate efficiency of this new combined structure for acoustic echo cancellation, and a fixed-point implementation of the proposed scheme confirms the expected numerical robustness of the Fast QR-RLS algorithm.",

author = "F. Capman and J. Boudy and P. Lockwood",

year = "1995",

month = jan,

day = "1",

language = "English",

volume = "2",

pages = "969--972",

journal = "ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings",

issn = "1520-6149",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

note = "Proceedings of the 1995 20th International Conference on Acoustics, Speech, and Signal Processing. Part 2 (of 5) ; Conference date: 09-05-1995 Through 12-05-1995",

}

TY - JOUR

T1 - Acoustic echo cancellation using a fast QR-RLS algorithm and multirate schemes

AU - Capman, F.

AU - Boudy, J.

AU - Lockwood, P.

PY - 1995/1/1

Y1 - 1995/1/1

N2 - High quality acoustic echo cancellation is now required by hands-free systems used in mobile radio and teleconference communications. The demand for fast convergence, good tracking capabilities, and reduced complexity cannot be met by classical adaptive filtering algorithms. In this paper, a new echo canceller using multirate systems and a Fast QR-decomposition based RLS algorithm is investigated. Simulation results demonstrate efficiency of this new combined structure for acoustic echo cancellation, and a fixed-point implementation of the proposed scheme confirms the expected numerical robustness of the Fast QR-RLS algorithm.

AB - High quality acoustic echo cancellation is now required by hands-free systems used in mobile radio and teleconference communications. The demand for fast convergence, good tracking capabilities, and reduced complexity cannot be met by classical adaptive filtering algorithms. In this paper, a new echo canceller using multirate systems and a Fast QR-decomposition based RLS algorithm is investigated. Simulation results demonstrate efficiency of this new combined structure for acoustic echo cancellation, and a fixed-point implementation of the proposed scheme confirms the expected numerical robustness of the Fast QR-RLS algorithm.

M3 - Conference article

AN - SCOPUS:0028996177

SN - 1520-6149

VL - 2

SP - 969

EP - 972

JO - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings

JF - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings

T2 - Proceedings of the 1995 20th International Conference on Acoustics, Speech, and Signal Processing. Part 2 (of 5)

Y2 - 9 May 1995 through 12 May 1995

ER -

Acoustic echo cancellation using a fast QR-RLS algorithm and multirate schemes

Abstract

Fingerprint

Cite this