A comparison of adaptive IIR echo canceller hybrids
- 1 January 1991
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- No. 15206149,p. 1541-1544 vol.3
- https://doi.org/10.1109/icassp.1991.150534
Abstract
A comparison of adaptive IIR (infinite impulse response) filters with gradient-based adaptation algorithms is presented. The following algorithms were investigated: series parallel LMS (SP-LMS), equation error formulation LMS (EEF-LMS), bias-remedy LMS (BRLMS) alternate filtering mode (AFM), simple hyperstable adaptive recursive filter (SHARF), and normalized LMS (NLMS), which served as an FIR comparison case. The classification structure employed clearly illustrates the relationships of the algorithms to each other; additionally, other feasible filter methodologies for further investigation were revealed. All algorithms were implemented on a Motorola 56001. Correct normalization of the adaptation stepsize played a critical role in the results, which were obtained by real-time measurements. Only the SHARFS and BRLMS algorithms fulfil the requirements of a low-cost hybrid echo canceller.Keywords
This publication has 10 references indexed in Scilit:
- Modification of the least-mean-square equation error algorithm for IIR system identification and adaptive filteringPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2002
- Transforming SHARF etc. into latticePublished by Institute of Electrical and Electronics Engineers (IEEE) ,2002
- Adaptive IIR filteringIEEE ASSP Magazine, 1989
- Convergence and performance analysis of the normalized LMS algorithm with uncorrelated Gaussian dataIEEE Transactions on Information Theory, 1988
- An investigation of an adaptive IIR echo canceller: advantages and problemsIEEE Transactions on Acoustics, Speech, and Signal Processing, 1988
- Parameter drift in LMS adaptive filtersIEEE Transactions on Acoustics, Speech, and Signal Processing, 1986
- SHARF: An algorithm for adapting IIR digital filtersIEEE Transactions on Acoustics, Speech, and Signal Processing, 1980
- Silencing echoes on the telephone networkProceedings of the IEEE, 1980
- A convergence proof for a hyperstable adaptive recursive filter (Corresp.)IEEE Transactions on Information Theory, 1979
- An adaptive recursive LMS filterProceedings of the IEEE, 1976