This article provides a broad overview of the recent advances in field active noise control techniques to reduce unwanted over certain spatial region interest. By both commercial and technological local systems extending size quiet zone seems be crucial step develop next generation for more personalized quieter audio products. In this review article, past decade design development enlarge contr...

In this paper, a subspace identification solution is provided for Active Noise Control (ANC) problems. The solution is related to so-called block updating methods, where instead of updating the (feedforward) controller on a sample by sample base, it is updated each time based on a block of N samples. The use of the subspace identification based ANC methods enables non-iterative derivation and u...

In propeller driven aircraft the main source for internal noise are almost tonal disturbances caused by the propeller blades that are passing the fuselage. In a certain four propeller military transport aircraft the maximum sound level in the cabin can reach up to 110 dB(A), not taking into account any noise control treatments. Inside the semi closed loadmaster working station (LMWS) the sound ...