inputs.text: works know use short time useful hints reducing noise - unquestionably inexpensive gadget probably not last long expensive ones works job 40 cassettes digitize simple use gives options digitized piano music one difficult within quality metal dolby cassette tapes adequate job biggest problehem far suddenly developed soft poppop flutter made recording useless discovered flutter kind pickup depends location place unit get loud hums especially intermittent occasional pops wow try moving unit placing softer mats tell extent noise coming unit pickup environment case careful choice location eliminated noise