Active noise control (ANC) systems usually involve a large number of loudspeakers and error microphones in order to achieve noise reduction over an extended region of space. Although fundamentals of ANC theory and principles of ANC methods have been well-established over the past 40 years. applications of this technology are facing new challenges. A larger quiet zone with better noise... https://ashleyshomestores.shop/product-category/fire-pit-table/