The Moog Matriarch’s application’s Goods and Services description:
Electronic low pass filters for musical instruments; Electronic ring modulators for musical instruments; Electronic effects units for musical instruments; Sound frequency filters for controlling audio parameters by raising or lowering the gain of specific audio frequencies using a resonant filter; Sound frequency filters for controlling audio parameters by raising or lowering the gain of specific audio frequencies using a low pass filter, band pass filter, resonant filter or using a multiple resonant filter array and animating those frequencies using a built-in pattern generator