{ "sweep": { "id": "bow-shape-strike", "title": "Sheet: shape of the bow (drumstick strike)", "text": "The same sweep excited by the default drumstick strike (30 g at 3 m/s) instead of the corner push. The bow across the height again gives the lowest sound (a centroid near 460 Hz against 650 Hz for the bow across the width), while the peak pressure is the same for all three.", "clips": [ { "label": "across the width", "params": { "bowShape": "width" } }, { "label": "across the height", "params": { "bowShape": "height" } }, { "label": "dish", "params": { "bowShape": "dish" } } ], "base": { "excitation": "strike" } }, "gainDb": 20, "clips": [ { "id": "bow-shape-strike-0", "label": "across the width", "overrides": { "excitation": "strike", "bowShape": "width" }, "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": 33.22553681099997, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 195.15817260742188 } }, { "id": "bow-shape-strike-1", "label": "across the height", "overrides": { "excitation": "strike", "bowShape": "height" }, "metrics": { "peakPa": 2.552333354949951, "peakDbSpl": 102.11814800776978, "rmsPa": 0.010899695725498754, "centroidHz": 463.9772949362854, "t60": { "20-100": 5.40568824770381, "100-500": 4.162261986980085, "500-2k": 2.232600488967722, "2k-8k": 4.231532692341554 }, "bandLevelsDb": { "20-100": -8.3703317537059, "100-500": 0, "500-2k": -0.5913517538913986, "2k-8k": 0.9790416307801522 } }, "gainDb": 20, "peakDbfs": 28.138747921049404, "run": { "steps": 3072000, "seconds": 33.18380342699983, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 195.48043823242188 } }, { "id": "bow-shape-strike-2", "label": "dish", "overrides": { "excitation": "strike", "bowShape": "dish" }, "metrics": { "peakPa": 2.552305221557617, "peakDbSpl": 102.1180522660097, "rmsPa": 0.010885016830824192, "centroidHz": 618.4637545289492, "t60": { "20-100": 4.871676258218322, "100-500": 4.644100766923003, "500-2k": 2.383968687963824, "2k-8k": 4.081355663727031 }, "bandLevelsDb": { "20-100": -4.527101703303714, "100-500": 0, "500-2k": 0.20593316035407838, "2k-8k": -1.2814116634476456 } }, "gainDb": 20, "peakDbfs": 28.138652179289316, "run": { "steps": 3072000, "seconds": 33.298808433, "nx": 39, "ny": 58, "dt": 0.0000013020833333333333, "maxContactForce": 195.28903198242188 } } ] }