1{
2 "sweep": {
3 "id": "bow-shape-strike",
4 "title": "Sheet: shape of the bow (drumstick strike)",
5 "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.",
6 "clips": [
7 {
8 "label": "across the width",
9 "params": {
10 "bowShape": "width"
11 }
12 },
13 {
14 "label": "across the height",
15 "params": {
16 "bowShape": "height"
17 }
18 },
19 {
20 "label": "dish",
21 "params": {
22 "bowShape": "dish"
23 }
24 }
25 ],
26 "base": {
27 "excitation": "strike"
28 }
29 },
30 "gainDb": 20,
31 "clips": [
32 {
33 "id": "bow-shape-strike-0",
34 "label": "across the width",
35 "overrides": {
36 "excitation": "strike",
37 "bowShape": "width"
38 },
39 "metrics": {
40 "peakPa": 2.552067756652832,
41 "peakDbSpl": 102.11724409859474,
42 "rmsPa": 0.010939866293578663,
43 "centroidHz": 654.5269112833041,
44 "t60": {
45 "20-100": 5.084050764268366,
46 "100-500": 4.166515631486475,
47 "500-2k": 2.5109722913953734,
48 "2k-8k": 4.596561207548714
49 },
50 "bandLevelsDb": {
51 "20-100": -10.075329770223362,
52 "100-500": 0,
53 "500-2k": 1.0910838167922776,
54 "2k-8k": -0.46759244010335266
55 }
56 },
57 "gainDb": 20,
58 "peakDbfs": 28.13784401187437,
59 "run": {
60 "steps": 3072000,
61 "seconds": 33.22553681099997,
62 "nx": 39,
63 "ny": 58,
64 "dt": 0.0000013020833333333333,
65 "maxContactForce": 195.15817260742188
66 }
67 },
68 {
69 "id": "bow-shape-strike-1",
70 "label": "across the height",
71 "overrides": {
72 "excitation": "strike",
73 "bowShape": "height"
74 },
75 "metrics": {
76 "peakPa": 2.552333354949951,
77 "peakDbSpl": 102.11814800776978,
78 "rmsPa": 0.010899695725498754,
79 "centroidHz": 463.9772949362854,
80 "t60": {
81 "20-100": 5.40568824770381,
82 "100-500": 4.162261986980085,
83 "500-2k": 2.232600488967722,
84 "2k-8k": 4.231532692341554
85 },
86 "bandLevelsDb": {
87 "20-100": -8.3703317537059,
88 "100-500": 0,
89 "500-2k": -0.5913517538913986,
90 "2k-8k": 0.9790416307801522
91 }
92 },
93 "gainDb": 20,
94 "peakDbfs": 28.138747921049404,
95 "run": {
96 "steps": 3072000,
97 "seconds": 33.18380342699983,
98 "nx": 39,
99 "ny": 58,
100 "dt": 0.0000013020833333333333,
101 "maxContactForce": 195.48043823242188
102 }
103 },
104 {
105 "id": "bow-shape-strike-2",
106 "label": "dish",
107 "overrides": {
108 "excitation": "strike",
109 "bowShape": "dish"
110 },
111 "metrics": {
112 "peakPa": 2.552305221557617,
113 "peakDbSpl": 102.1180522660097,
114 "rmsPa": 0.010885016830824192,
115 "centroidHz": 618.4637545289492,
116 "t60": {
117 "20-100": 4.871676258218322,
118 "100-500": 4.644100766923003,
119 "500-2k": 2.383968687963824,
120 "2k-8k": 4.081355663727031
121 },
122 "bandLevelsDb": {
123 "20-100": -4.527101703303714,
124 "100-500": 0,
125 "500-2k": 0.20593316035407838,
126 "2k-8k": -1.2814116634476456
127 }
128 },
129 "gainDb": 20,
130 "peakDbfs": 28.138652179289316,
131 "run": {
132 "steps": 3072000,
133 "seconds": 33.298808433,
134 "nx": 39,
135 "ny": 58,
136 "dt": 0.0000013020833333333333,
137 "maxContactForce": 195.28903198242188
138 }
139 }
140 ]
141}