A broadband self-tuning active noise equaliser. - Jin Wei Feng; Woon-Seng Gan (Signal Process., 1997)

Broadband active noise compressor. - Jin Wei Feng; Woon-Seng Gan (IEEE Signal Process. Lett., 1998)

Adaptive noise equalizer with equal-loudness compensation. - Woon S. Gan; Sen M. Kuo; Jin Wei Feng (ISCAS (1), 2005)