replaced hard-coded values with defaults in time sig method
replaced hard-coded values with defaults in time sig method

audiokit/AudioKit,audiokit/AudioKit,eljeff/AudioKit,adamnemecek/AudioKit,audiokit/AudioKit,adamnemecek/AudioKit,eljeff/AudioKit,audiokit/AudioKit,eljeff/AudioKit,adamnemecek/AudioKit,adamnemecek/AudioKit,eljeff/AudioKit