Active Noise Cancellation (ANC) — LMS Adaptive Filter

Noise type: Step size μ: 0.010 Filter length N: 16 Reference delay: 3

Noise reduction—

Convergence step—

w̄ (mean weight)—

Error power—

Noise d(n)

Anti-noise y(n)

Residual e(n)

LMS Algorithm
y(n) = wᵀ(n)·x(n)
e(n) = d(n) + y(n)
w(n+1) = w(n) − μ·e(n)·x(n)
Converges when μ < 1/λ_max

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