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multiday
2005 Dec 05
2
mdf -- better adaption of W?
..., but does not
completely cancel as it did earlier, and has very little cancellation for
the "edges" (when the sine wraps from 110 sines/frame back to 10
sines/frame).
Repeat with M=5 and mic delayed 8 frames. No cancellation, as expected.
So... Next step, I skimmed through the "Multidelay Block Frequency Domain
Adaptive Filter" paper, which I understand mdf.c is based on. If I
understand this correctly:
- it keeps the frequency domain of the last M frames (in the X array)
- The "output" (the signal to cancel?), is computed by taking the
last M frequency doma...