{ "sweep": { "id": "bow-amplitude-strike", "title": "Sheet: initial bow (drumstick strike)", "text": "The same sweep excited by the default drumstick strike (30 g at 3 m/s) instead of the corner push.", "param": "bowAmplitude", "unit": "mm", "scale": 0.001, "values": [ 0, 0.0015, 0.003, 0.006 ], "base": { "excitation": "strike" } }, "gainDb": 20, "clips": [ { "id": "bow-amplitude-strike-0", "label": "0 mm", "overrides": { "excitation": "strike", "bowAmplitude": 0 }, "metrics": { "peakPa": 2.551590919494629, "peakDbSpl": 102.11562104532791, "rmsPa": 0.010660233057908522, "centroidHz": 674.246694162741, "t60": { "20-100": 5.361624365656461, "100-500": 3.581864895114033, "500-2k": 2.45868217556047, "2k-8k": 3.3792278209804083 }, "bandLevelsDb": { "20-100": -3.8746240607475855, "100-500": 0, "500-2k": 4.424332838657119, "2k-8k": 5.010747330075276 } }, "gainDb": 20, "peakDbfs": 28.13622095860755, "run": { "steps": 3072000, "seconds": 33.16316816600005, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 195.79676818847656 } }, { "id": "bow-amplitude-strike-1", "label": "1.5 mm", "overrides": { "excitation": "strike", "bowAmplitude": 0.0015 }, "metrics": { "peakPa": 2.551940679550171, "peakDbSpl": 102.11681158454104, "rmsPa": 0.010741412562662641, "centroidHz": 600.973101145117, "t60": { "20-100": 5.30486181416007, "100-500": 4.114084658063969, "500-2k": 2.448729777866027, "2k-8k": 3.3102959612356067 }, "bandLevelsDb": { "20-100": -5.9670256781733215, "100-500": 0, "500-2k": -0.27010059429747457, "2k-8k": 0.0035496279385789364 } }, "gainDb": 20, "peakDbfs": 28.137411497820658, "run": { "steps": 3072000, "seconds": 33.217627832000026, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 195.44580078125 } }, { "id": "bow-amplitude-strike-2", "label": "3 mm", "overrides": { "excitation": "strike", "bowAmplitude": 0.003 }, "metrics": { "peakPa": 2.552067756652832, "peakDbSpl": 102.11724409859474, "rmsPa": 0.010939866293578663, "centroidHz": 654.5269112833041, "t60": { "20-100": 5.084050764268366, "100-500": 4.166515631486475, "500-2k": 2.5109722913953734, "2k-8k": 4.596561207548714 }, "bandLevelsDb": { "20-100": -10.075329770223362, "100-500": 0, "500-2k": 1.0910838167922776, "2k-8k": -0.46759244010335266 } }, "gainDb": 20, "peakDbfs": 28.13784401187437, "run": { "steps": 3072000, "seconds": 33.201091435999956, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 195.15817260742188 } }, { "id": "bow-amplitude-strike-3", "label": "6 mm", "overrides": { "excitation": "strike", "bowAmplitude": 0.006 }, "metrics": { "peakPa": 2.5516600608825684, "peakDbSpl": 102.11585640685234, "rmsPa": 0.013267874066477767, "centroidHz": 291.46251814988165, "t60": { "20-100": 5.005409135377139, "100-500": 4.623923554458727, "500-2k": 2.4500317715173203, "2k-8k": 6.327734585218942 }, "bandLevelsDb": { "20-100": -19.274890113163373, "100-500": 0, "500-2k": -7.843887890532283, "2k-8k": -10.343519014078034 } }, "gainDb": 20, "peakDbfs": 28.136456320131963, "run": { "steps": 3072000, "seconds": 33.24780972499994, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 194.77256774902344 } } ] }