Journal Article10.1109/TAES.1985.310616
Adaptive Interpolated Time-Delay Estimation
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TL;DR: An adaptive delay-estimation (ADE) algorithm is proposed for the continuous tracking of time-delay which uses an adaptive delay line which is interpolated by a first-order filter.
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Abstract: An adaptive delay-estimation (ADE) algorithm is proposed for the continuous tracking of time-delay. The method uses an adaptive delay line which is interpolated by a first-order filter. Two delay-line interpolating filters are considered, each having a single coefficient which is estimated in real time. The first implements linear interpolation, and the second interpolates using a first-order allpass filter. Since the ADE algorithm is derived from recursive Gauss-Newton optimization, it can be viewed as a recursive maximum likelihood (RML) algorithm for time-delay estimation.
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Lennart Ljung,Torsten Söderström +1 more
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