Athena_signal_aec_matlab

Matlab version of Athena Signal AEC(subband echo cancellation)

Aims

• understand WOLA implementation of subband compose/decompose;
• understand subband adaptive filter;

Simplify

• nlms instead of ipnlms;
• some parameters like filter num, smooth factor etc;
• remove nlp, dtd status etc, keep forefilter/backfilter and copy logic.

Reference

• athena-signal
• Multirate digital signal processing, Crochiere, R. E. , & Rabiner, L. R., Chapter 7