196958 ⎘
Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing; Filters for musical processing or musical effects; Filter responses, filter architecture, filter coefficients or control parameters therefor; Allpass filters Lattice filter, Zobel network, constant resistance filter or X-section filter, i.e. balanced symmetric all-pass bridge network filter exhibiting constant impedance over frequency