{ "sweep": { "id": "push-amount", "title": "Push and release: push amount", "text": "The corner is pushed by a given amount, held until the sheet settles, and released over 20 ms. A larger push stores more energy and, because the stiffness rises with deflection, produces a stronger pitch glide and a stronger transfer of energy to the higher partials. The 2 and 5 mm pushes are nearly linear and very quiet, with most of their sound below 100 Hz; the 20 mm push is about 10 dB louder than the default and has far more energy above 500 Hz.", "param": "pushAmount", "unit": "mm", "scale": 0.001, "values": [ 0.002, 0.005, 0.01, 0.02 ] }, "gainDb": 20, "clips": [ { "id": "push-amount-0", "label": "2 mm", "overrides": { "pushAmount": 0.002 }, "metrics": { "peakPa": 0.012300698086619377, "peakDbSpl": 55.77799526927038, "rmsPa": 0.00013511501687566793, "centroidHz": 427.46835148777956, "t60": { "20-100": 5.453194721733808, "100-500": 4.829558362461886, "500-2k": 7.034452896212399, "2k-8k": 17.48570489786799 }, "bandLevelsDb": { "20-100": 20.313930991405478, "100-500": 0, "500-2k": -33.338563461567034, "2k-8k": -14.847091560623475 } }, "gainDb": 20, "peakDbfs": -18.201404817449998, "run": { "steps": 3072000, "seconds": 34.225122688000035, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 0 } }, { "id": "push-amount-1", "label": "5 mm", "overrides": { "pushAmount": 0.005 }, "metrics": { "peakPa": 0.018442777916789055, "peakDbSpl": 59.2959268191956, "rmsPa": 0.0004295671522900007, "centroidHz": 178.94343828234673, "t60": { "20-100": 5.3920975474300725, "100-500": 4.708088970822347, "500-2k": 4.8795565734902135, "2k-8k": 10.745926480066519 }, "bandLevelsDb": { "20-100": 9.17025110563019, "100-500": 0, "500-2k": -45.5362450800176, "2k-8k": -32.72738987759147 } }, "gainDb": 20, "peakDbfs": -14.683473267524768, "run": { "steps": 3072000, "seconds": 34.802473090999996, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 0 } }, { "id": "push-amount-2", "label": "10 mm", "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": 38.34691829300002, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 0 } }, { "id": "push-amount-3", "label": "20 mm", "overrides": { "pushAmount": 0.02 }, "metrics": { "peakPa": 0.14698435366153717, "peakDbSpl": 77.32482222656684, "rmsPa": 0.006816507708327344, "centroidHz": 410.66396723126076, "t60": { "20-100": 4.924220251641524, "100-500": 4.171241747540144, "500-2k": 2.401262159777112, "2k-8k": 4.234870138795616 }, "bandLevelsDb": { "20-100": -6.670355881300626, "100-500": 0, "500-2k": -3.839142145133817, "2k-8k": -20.854665232600706 } }, "gainDb": 20, "peakDbfs": 3.3454221398464643, "run": { "steps": 3072000, "seconds": 38.354125497, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 0 } } ] }