{ "sweep": { "id": "push-sign", "title": "Push and release: with or against the bow", "text": "The sheet has a 3 mm bow across its width. Pushing the corner in the direction of the bow and against it are not equivalent: the shell stiffness is asymmetric, so the two cases have different low-mode frequencies and a different wobble.", "clips": [ { "label": "+10 mm (with the bow)", "params": { "pushAmount": 0.01 } }, { "label": "-10 mm (against the bow)", "params": { "pushAmount": -0.01 } } ] }, "gainDb": 20, "clips": [ { "id": "push-sign-0", "label": "+10 mm (with the bow)", "overrides": { "pushAmount": 0.01 }, "metrics": { "peakPa": 0.04646482318639755, "peakDbSpl": 67.32188586389826, "rmsPa": 0.0033498771907116485, "centroidHz": 195.7169225189091, "t60": { "20-100": 5.414347622298749, "100-500": 4.0120593180726445, "500-2k": 2.724403865668108, "2k-8k": 7.678595678417119 }, "bandLevelsDb": { "20-100": -1.153481711330091, "100-500": 0, "500-2k": -6.774905483785499, "2k-8k": -41.19767338483816 } }, "gainDb": 20, "peakDbfs": -6.657514222822115, "run": { "steps": 3072000, "seconds": 38.222787114000006, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 0 } }, { "id": "push-sign-1", "label": "-10 mm (against the bow)", "overrides": { "pushAmount": -0.01 }, "metrics": { "peakPa": 0.02123831957578659, "peakDbSpl": 60.52180311472628, "rmsPa": 0.001989223364890316, "centroidHz": 113.958772659888, "t60": { "20-100": 5.090317428099678, "100-500": 5.116617974212879, "500-2k": 2.673681453202228, "2k-8k": 7.555363995795604 }, "bandLevelsDb": { "20-100": 2.507566931796589, "100-500": 0, "500-2k": -27.49696931829688, "2k-8k": -43.63933934882745 } }, "gainDb": 20, "peakDbfs": -13.4575969719941, "run": { "steps": 3072000, "seconds": 37.75758010800002, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 0 } } ] }