{ "sweep": { "id": "strike-mass", "title": "Drumstick: stick mass", "text": "The same speed with a lighter or heavier stick. A heavier stick carries more momentum, stays in contact longer, and pushes the sheet further, which favours the low modes; a light stick gives a short, bright tap.", "base": { "excitation": "strike" }, "param": "stickMass", "unit": "g", "scale": 0.001, "values": [ 0.01, 0.03, 0.06, 0.12 ] }, "gainDb": -4, "clips": [ { "id": "strike-mass-0", "label": "10 g", "overrides": { "excitation": "strike", "stickMass": 0.01, "spacing": 0.004 }, "metrics": { "peakPa": 1.962693214416504, "peakDbSpl": 99.83644850665327, "rmsPa": 0.008518429042423257, "centroidHz": 740.2078876605501, "t60": { "20-100": 5.525022587168028, "100-500": 4.223548524565061, "500-2k": 2.316918055245375, "2k-8k": 4.825038756489326 }, "bandLevelsDb": { "20-100": -2.521019636683148, "100-500": 0, "500-2k": -1.1762739005712746, "2k-8k": 5.672379657464713 } }, "gainDb": -4, "peakDbfs": 1.857048419932885, "run": { "steps": 6144000, "seconds": 61.59477831700002, "nx": 77, "ny": 115, "dt": 6.510416666666666e-7, "maxContactForce": 169.22738647460938 } }, { "id": "strike-mass-1", "label": "30 g", "overrides": { "excitation": "strike", "stickMass": 0.03, "spacing": 0.004 }, "metrics": { "peakPa": 2.205117702484131, "peakDbSpl": 100.84803560157386, "rmsPa": 0.00951895798535143, "centroidHz": 435.21529790921534, "t60": { "20-100": 5.627390472686013, "100-500": 4.5707678921683526, "500-2k": 2.5907910666908407, "2k-8k": 3.9744633879876843 }, "bandLevelsDb": { "20-100": -1.3514353071700143, "100-500": 0, "500-2k": 1.187547735231874, "2k-8k": 1.994130612116379 } }, "gainDb": -4, "peakDbfs": 2.8686355148534783, "run": { "steps": 6144000, "seconds": 61.487249779, "nx": 77, "ny": 115, "dt": 6.510416666666666e-7, "maxContactForce": 179.2267303466797 } }, { "id": "strike-mass-2", "label": "60 g", "overrides": { "excitation": "strike", "stickMass": 0.06, "spacing": 0.004 }, "metrics": { "peakPa": 2.2698206901550293, "peakDbSpl": 101.09923109532262, "rmsPa": 0.010550695050977802, "centroidHz": 893.46093233844, "t60": { "20-100": 5.131759901917673, "100-500": 3.972788364757304, "500-2k": 2.371926066794071, "2k-8k": 3.365816125750012 }, "bandLevelsDb": { "20-100": -5.051533234627442, "100-500": 0, "500-2k": -0.4614149370542684, "2k-8k": -2.5053567106480443 } }, "gainDb": -4, "peakDbfs": 3.1198310086022567, "run": { "steps": 6144000, "seconds": 62.097485610000035, "nx": 77, "ny": 115, "dt": 6.510416666666666e-7, "maxContactForce": 182.28599548339844 } }, { "id": "strike-mass-3", "label": "120 g", "overrides": { "excitation": "strike", "stickMass": 0.12, "spacing": 0.004 }, "metrics": { "peakPa": 2.302820920944214, "peakDbSpl": 101.22460341335466, "rmsPa": 0.01595159288182336, "centroidHz": 3406.145355070889, "t60": { "20-100": 4.884018982524845, "100-500": 4.091901974573413, "500-2k": 2.5341044098067655, "2k-8k": 2.951250872067345 }, "bandLevelsDb": { "20-100": -5.8572487165952225, "100-500": 0, "500-2k": 1.2501368494576077, "2k-8k": 7.195515904877691 } }, "gainDb": -4, "peakDbfs": 3.245203326634274, "run": { "steps": 6144000, "seconds": 62.11256672299991, "nx": 77, "ny": 115, "dt": 6.510416666666666e-7, "maxContactForce": 229.22804260253906 } } ] }