{ "sweep": { "id": "ellipse-size-strike", "title": "Ellipse: size (drumstick strike)", "text": "The same sweep excited by the default drumstick strike (30 g at 3 m/s) instead of the push.", "base": { "shape": "ellipse", "excitation": "strike" }, "clips": [ { "label": "8 x 12 in", "params": { "Lx": 0.2032, "Ly": 0.3048 } }, { "label": "12 x 18 in", "params": {} }, { "label": "18 x 24 in", "params": { "Lx": 0.4572, "Ly": 0.6096 } }, { "label": "24 x 36 in", "params": { "Lx": 0.6096, "Ly": 0.9144 } } ] }, "gainDb": 20, "clips": [ { "id": "ellipse-size-strike-0", "label": "8 x 12 in", "overrides": { "shape": "ellipse", "excitation": "strike", "Lx": 0.2032, "Ly": 0.3048 }, "metrics": { "peakPa": 1.9557117223739624, "peakDbSpl": 99.80549686457594, "rmsPa": 0.008032562895342975, "centroidHz": 513.2966550824815, "t60": { "20-100": 4.482921957157401, "100-500": 4.7517174054636, "500-2k": 2.0490028701086835, "2k-8k": 4.336772843988332 }, "bandLevelsDb": { "20-100": -24.544188780752926, "100-500": 0, "500-2k": 1.2772141732099591, "2k-8k": -2.4589666064868645 } }, "gainDb": 20, "peakDbfs": 25.826096777855568, "run": { "steps": 3072000, "seconds": 36.736104341999976, "nx": 26, "ny": 39, "dt": 0.0000013020833333333333, "maxContactForce": 197.96104431152344 } }, { "id": "ellipse-size-strike-1", "label": "12 x 18 in", "overrides": { "shape": "ellipse", "excitation": "strike" }, "metrics": { "peakPa": 2.2176148891448975, "peakDbSpl": 100.89712266292102, "rmsPa": 0.008946726631898947, "centroidHz": 748.1208363002905, "t60": { "20-100": 4.896666413760261, "100-500": 3.5298827276714593, "500-2k": 2.4549279346876616, "2k-8k": 4.04392384620546 }, "bandLevelsDb": { "20-100": -6.632769122177063, "100-500": 0, "500-2k": 3.754155648128954, "2k-8k": -1.3141029946696783 } }, "gainDb": 20, "peakDbfs": 26.917722576200653, "run": { "steps": 3072000, "seconds": 37.67220555499999, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 195.29598999023438 } }, { "id": "ellipse-size-strike-2", "label": "18 x 24 in", "overrides": { "shape": "ellipse", "excitation": "strike", "Lx": 0.4572, "Ly": 0.6096 }, "metrics": { "peakPa": 3.2351598739624023, "peakDbSpl": 104.1773150335786, "rmsPa": 0.011993072748437916, "centroidHz": 437.63995655964453, "t60": { "20-100": 5.874279411528445, "100-500": 4.034470282880961, "500-2k": 2.4043932669154757, "2k-8k": 4.2988662072283645 }, "bandLevelsDb": { "20-100": -3.713521496740931, "100-500": 0, "500-2k": -2.72954196225745, "2k-8k": 0.02134356195714915 } }, "gainDb": 20, "peakDbfs": 30.197914946858223, "run": { "steps": 3072000, "seconds": 39.787994478999984, "nx": 58, "ny": 77, "dt": 0.0000013020833333333333, "maxContactForce": 195.40164184570312 } }, { "id": "ellipse-size-strike-3", "label": "24 x 36 in", "overrides": { "shape": "ellipse", "excitation": "strike", "Lx": 0.6096, "Ly": 0.9144 }, "metrics": { "peakPa": 2.5229222774505615, "peakDbSpl": 102.01747751883751, "rmsPa": 0.014092796557727761, "centroidHz": 305.92450806800844, "t60": { "20-100": 6.144596788239567, "100-500": 4.005901878325717, "500-2k": 2.3695201486593733, "2k-8k": 4.3598739045710175 }, "bandLevelsDb": { "20-100": 1.658211163788856, "100-500": 0, "500-2k": 0.09575922675383097, "2k-8k": 0.6722262609102785 } }, "gainDb": 20, "peakDbfs": 28.03807743211713, "run": { "steps": 3072000, "seconds": 42.86682783800003, "nx": 77, "ny": 115, "dt": 0.0000013020833333333333, "maxContactForce": 167.2549285888672 } } ] }