@Article{Benois2017,
  author    = {Benois, Piero Rivera and Nowak, Patrick and Z{\"o}lzer, Udo},
  title     = {Fully digital implementation of a hybrid feedback structure for broadband active noise control in headphones},
  year      = {2017},
}

@Article{Vu2017,
  author    = {Vu, Hong-Son and Chen, Kuan-Hung},
  title     = {A High-Performance Feedback FxLMS Active Noise Cancellation VLSI Circuit Design for In-Ear Headphones},
  journal   = {Circuits, Systems, and Signal Processing},
  year      = {2017},
  pages     = {1--19},
  file      = {:Vu2017.pdf:PDF},
  publisher = {Springer},
}