notched            58 drivers/isdn/mISDN/dsp_ecdis.h 	int16_t notched;
notched            60 drivers/isdn/mISDN/dsp_ecdis.h 	notched = biquad2(&det->notch, amp);
notched            68 drivers/isdn/mISDN/dsp_ecdis.h 	det->notch_level += ((abs(notched) - det->notch_level) >> 4);