Introduction
The MDF algorithm is based on the fact that convolutions may be efficiently computed in the frequency domain (thanks to the Fast Fourier Transform). However, the algorithm differs from the Fast LMS algorithm in that block size it uses may be smaller than the filter length. If both are equal, then MDF reduces to the FLMS algorithm.
The advantages of MDF over the (N)LMS algorithm are:
- Lower algorithmic complexity
- Partial de-correlation of the input (which 'may' lead to faster convergence)
Read more about this topic: Multidelay Block Frequency Domain Adaptive Filter
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