{ "sweep": { "id": "push-release", "title": "Push and release: release time", "text": "How fast the finger lets go. An instantaneous release is a step in force and excites every mode, giving a click that is about 24 dB louder at its peak than the default; a release over tens of milliseconds excites only the lowest modes, as a fingertip does, and the 50 ms release brings the centroid down to about 100 Hz.", "param": "releaseTime", "unit": "ms", "scale": 0.001, "values": [ 0, 0.005, 0.02, 0.05 ] }, "gainDb": 20, "clips": [ { "id": "push-release-0", "label": "0 ms", "overrides": { "releaseTime": 0 }, "metrics": { "peakPa": 0.7642941474914551, "peakDbSpl": 91.64461076731433, "rmsPa": 0.009010054314244578, "centroidHz": 226.74869640512023, "t60": { "20-100": 4.634820770290022, "100-500": 4.450687037950884, "500-2k": 3.1179347700365754, "2k-8k": 4.770932750048705 }, "bandLevelsDb": { "20-100": -1.4313310794883556, "100-500": 0, "500-2k": -6.309591281281271, "2k-8k": -4.74307601782332 } }, "gainDb": 20, "peakDbfs": 17.66521068059395, "run": { "steps": 3072000, "seconds": 38.22782970299997, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 0 } }, { "id": "push-release-1", "label": "5 ms", "overrides": { "releaseTime": 0.005 }, "metrics": { "peakPa": 0.05217854678630829, "peakDbSpl": 68.3292396764943, "rmsPa": 0.0038199319442623514, "centroidHz": 225.28724842059668, "t60": { "20-100": 5.099886772622015, "100-500": 4.646874242132339, "500-2k": 2.658640303705517, "2k-8k": 5.416018791066986 }, "bandLevelsDb": { "20-100": -4.639325620985069, "100-500": 0, "500-2k": -7.585074790994991, "2k-8k": -30.54013796910966 } }, "gainDb": 20, "peakDbfs": -5.650160410226075, "run": { "steps": 3072000, "seconds": 38.24096965899994, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 0 } }, { "id": "push-release-2", "label": "20 ms", "overrides": { "releaseTime": 0.02 }, "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": 38.26300106100005, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 0 } }, { "id": "push-release-3", "label": "50 ms", "overrides": { "releaseTime": 0.05 }, "metrics": { "peakPa": 0.030090177431702614, "peakDbSpl": 63.547895059456295, "rmsPa": 0.00212605112315391, "centroidHz": 102.83137288492796, "t60": { "20-100": 5.510369699262617, "100-500": 3.9695050311214843, "500-2k": 2.6266554528564425, "2k-8k": 13.578920017328178 }, "bandLevelsDb": { "20-100": -2.7734656334724477, "100-500": 0, "500-2k": -11.27129167076293, "2k-8k": -52.49345830308583 } }, "gainDb": 20, "peakDbfs": -10.43150502726408, "run": { "steps": 3072000, "seconds": 38.33264526499994, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 0 } } ] }