{ "sweep": { "id": "ellipse-bow-amplitude", "title": "Ellipse: initial bow (push and release)", "text": "The 12 by 18 inch ellipse with a flat shape and with bows of 1.5, 3 and 6 mm across the width, pushed 10 mm at the rim.", "param": "bowAmplitude", "unit": "mm", "scale": 0.001, "values": [ 0, 0.0015, 0.003, 0.006 ], "base": { "shape": "ellipse" } }, "gainDb": 20, "clips": [ { "id": "ellipse-bow-amplitude-0", "label": "0 mm", "overrides": { "shape": "ellipse", "bowAmplitude": 0 }, "metrics": { "peakPa": 0.05324724689126015, "peakDbSpl": 68.50534324317303, "rmsPa": 0.002821909665297637, "centroidHz": 156.4078955977385, "t60": { "20-100": 4.931396642534825, "100-500": 3.192142437627387, "500-2k": 2.384022497455615, "2k-8k": 5.230608526954764 }, "bandLevelsDb": { "20-100": -2.1763464064366893, "100-500": 0, "500-2k": -4.292043370166315, "2k-8k": -45.14631818356723 } }, "gainDb": 20, "peakDbfs": -5.474056843547352, "run": { "steps": 3072000, "seconds": 43.82425528399995, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 0 } }, { "id": "ellipse-bow-amplitude-1", "label": "1.5 mm", "overrides": { "shape": "ellipse", "bowAmplitude": 0.0015 }, "metrics": { "peakPa": 0.07428205013275146, "peakDbSpl": 71.39707771587662, "rmsPa": 0.004058408295777355, "centroidHz": 159.61387211217541, "t60": { "20-100": 5.623740872810963, "100-500": 3.1353475557666064, "500-2k": 2.4328738833312022, "2k-8k": 4.261165956079711 }, "bandLevelsDb": { "20-100": -5.445638350897628, "100-500": 0, "500-2k": -18.71148242775826, "2k-8k": -56.089815975238736 } }, "gainDb": 20, "peakDbfs": -2.5823223708437597, "run": { "steps": 3072000, "seconds": 43.81786780700006, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 0 } }, { "id": "ellipse-bow-amplitude-2", "label": "3 mm", "overrides": { "shape": "ellipse", "bowAmplitude": 0.003 }, "metrics": { "peakPa": 0.11931683123111725, "peakDbSpl": 75.5134343071863, "rmsPa": 0.0064759317566265295, "centroidHz": 528.0687794887909, "t60": { "20-100": 5.1791187011978455, "100-500": 3.6782478330479136, "500-2k": 2.2411777117236076, "2k-8k": 3.6915783667163553 }, "bandLevelsDb": { "20-100": -15.556912674094335, "100-500": 0, "500-2k": -8.435604712934616, "2k-8k": -21.729720915860337 } }, "gainDb": 20, "peakDbfs": 1.534034220465931, "run": { "steps": 3072000, "seconds": 44.34986372000002, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 0 } }, { "id": "ellipse-bow-amplitude-3", "label": "6 mm", "overrides": { "shape": "ellipse", "bowAmplitude": 0.006 }, "metrics": { "peakPa": 0.2813655436038971, "peakDbSpl": 82.96481832830219, "rmsPa": 0.010153026290742485, "centroidHz": 336.7347098142576, "t60": { "20-100": 3.705976020496236, "100-500": 5.1978837324968215, "500-2k": 2.2611115658205954, "2k-8k": 5.199640495957992 }, "bandLevelsDb": { "20-100": -15.637327517822893, "100-500": 0, "500-2k": -4.154680665031094, "2k-8k": -15.170189854709069 } }, "gainDb": 20, "peakDbfs": 8.985418241581815, "run": { "steps": 3072000, "seconds": 43.77702691400005, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 0 } } ] }