{ "sweep": { "id": "ellipse-bow-amplitude-strike", "title": "Ellipse: initial bow (drumstick strike)", "text": "The same sweep excited by the default drumstick strike (30 g at 3 m/s) instead of the push.", "param": "bowAmplitude", "unit": "mm", "scale": 0.001, "values": [ 0, 0.0015, 0.003, 0.006 ], "base": { "shape": "ellipse", "excitation": "strike" } }, "gainDb": 20, "clips": [ { "id": "ellipse-bow-amplitude-strike-0", "label": "0 mm", "overrides": { "shape": "ellipse", "excitation": "strike", "bowAmplitude": 0 }, "metrics": { "peakPa": 2.2171196937561035, "peakDbSpl": 100.89518287940803, "rmsPa": 0.008614337911746737, "centroidHz": 922.8037373870062, "t60": { "20-100": 5.547822602444292, "100-500": 3.638936157878885, "500-2k": 2.2796810208859046, "2k-8k": 3.1262928117724855 }, "bandLevelsDb": { "20-100": -9.732905033563586, "100-500": 0, "500-2k": 4.229206043991628, "2k-8k": 2.903178491594744 } }, "gainDb": 20, "peakDbfs": 26.915782792687647, "run": { "steps": 3072000, "seconds": 37.71508314100001, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 195.93246459960938 } }, { "id": "ellipse-bow-amplitude-strike-1", "label": "1.5 mm", "overrides": { "shape": "ellipse", "excitation": "strike", "bowAmplitude": 0.0015 }, "metrics": { "peakPa": 2.217479705810547, "peakDbSpl": 100.89659316462135, "rmsPa": 0.008755178047482728, "centroidHz": 631.9754891719195, "t60": { "20-100": 4.874139338172392, "100-500": 3.6251042790128, "500-2k": 2.3356175838695314, "2k-8k": 3.176475650473145 }, "bandLevelsDb": { "20-100": -2.1927931905894553, "100-500": 0, "500-2k": 5.473045315287141, "2k-8k": 0.6788490198997259 } }, "gainDb": 20, "peakDbfs": 26.917193077900983, "run": { "steps": 3072000, "seconds": 37.75813075699995, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 195.5828094482422 } }, { "id": "ellipse-bow-amplitude-strike-2", "label": "3 mm", "overrides": { "shape": "ellipse", "excitation": "strike", "bowAmplitude": 0.003 }, "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": 37.75812755799992, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 195.29598999023438 } }, { "id": "ellipse-bow-amplitude-strike-3", "label": "6 mm", "overrides": { "shape": "ellipse", "excitation": "strike", "bowAmplitude": 0.006 }, "metrics": { "peakPa": 2.2172188758850098, "peakDbSpl": 100.89557143116714, "rmsPa": 0.010842859769709843, "centroidHz": 310.7634440490697, "t60": { "20-100": 4.248817217192402, "100-500": 5.250662879960868, "500-2k": 2.3686375092697087, "2k-8k": 5.316287478528371 }, "bandLevelsDb": { "20-100": -22.81233694456142, "100-500": 0, "500-2k": -7.768179669421542, "2k-8k": -8.387011154579152 } }, "gainDb": 20, "peakDbfs": 26.916171344446774, "run": { "steps": 3072000, "seconds": 37.817629591000035, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 194.91114807128906 } } ] }