opts.delay=400;% required delay to allow for causal filter
opts.threshold=20;% threshold for ita_start_IR()
opts.useStartIr=false;
opts.filterlength=-1;
opts.thresholdStartIR=-1;% threshold for ita_start_IR() to cut out the start delay, -1 will disable the feature
opts.filterLength=-1;% resulting filter lengt if set to -1: maximum of 4096 and nSamples*2
opts.winLim=[.785];% limits for windowing (suppress artifacts at the end of HRIR caused by time shifting)
opts.postProcessing=true;% Indicates if a time shift and windowing operation is performed on the calculated filter. WARNING: May lead to non-causal filters (echo effect)