2 "sweep": {
3 "id": "damping-sigma0-strike",
4 "title": "Damping: frequency-independent loss (drumstick strike)",
87b10e4Gallery: 31 sweep(s) renderedJeremy Magland 5 "text": "The same sweep excited by the default drumstick strike (30 g at 3 m/s) instead of the corner push. The decay of the low band follows the same rule, while the brightness changes less than it does under the push.",
7 "unit": "1/s",
8 "values": [
9 0.4,
10 1.15,
11 3.5
12 ],
13 "base": {
14 "excitation": "strike"
15 }
16 },
17 "gainDb": 20,
18 "clips": [
19 {
20 "id": "damping-sigma0-strike-0",
21 "label": "0.4 1/s",
22 "overrides": {
23 "excitation": "strike",
24 "sigma0": 0.4
25 },
26 "metrics": {
27 "peakPa": 2.5521035194396973,
28 "peakDbSpl": 102.11736581536444,
29 "rmsPa": 0.01121416963976382,
30 "centroidHz": 606.4947317759568,
31 "t60": {
32 "20-100": 11.067948551614444,
33 "100-500": 6.297896731836091,
34 "500-2k": 4.5985448474912465,
35 "2k-8k": 3.961877391563836
36 },
37 "bandLevelsDb": {
38 "20-100": -6.65528499913194,
39 "100-500": 0,
40 "500-2k": -0.9945795783755074,
41 "2k-8k": -2.4109717931920507
42 }
43 },
44 "gainDb": 20,
45 "peakDbfs": 28.137965728644076,
46 "run": {
47 "steps": 3072000,
48 "seconds": 33.175440555999984,
49 "nx": 39,
50 "ny": 58,
51 "dt": 0.0000013020833333333333,
52 "maxContactForce": 195.1529998779297
53 }
54 },
55 {
56 "id": "damping-sigma0-strike-1",
57 "label": "1.15 1/s",
58 "overrides": {
59 "excitation": "strike",
60 "sigma0": 1.15
61 },
62 "metrics": {
63 "peakPa": 2.552067756652832,
64 "peakDbSpl": 102.11724409859474,
65 "rmsPa": 0.010939866293578663,
66 "centroidHz": 654.5269112833041,
67 "t60": {
68 "20-100": 5.084050764268366,
69 "100-500": 4.166515631486475,
70 "500-2k": 2.5109722913953734,
71 "2k-8k": 4.596561207548714
72 },
73 "bandLevelsDb": {
74 "20-100": -10.075329770223362,
75 "100-500": 0,
76 "500-2k": 1.0910838167922776,
77 "2k-8k": -0.46759244010335266
78 }
79 },
80 "gainDb": 20,
81 "peakDbfs": 28.13784401187437,
82 "run": {
83 "steps": 3072000,
84 "seconds": 33.18467716099997,
85 "nx": 39,
86 "ny": 58,
87 "dt": 0.0000013020833333333333,
88 "maxContactForce": 195.15817260742188
89 }
90 },
91 {
92 "id": "damping-sigma0-strike-2",
93 "label": "3.5 1/s",
94 "overrides": {
95 "excitation": "strike",
96 "sigma0": 3.5
97 },
98 "metrics": {
99 "peakPa": 2.551957607269287,
100 "peakDbSpl": 102.11686920022684,
101 "rmsPa": 0.010625210054200059,
102 "centroidHz": 513.4940680216587,
103 "t60": {
104 "20-100": 1.8914301512769929,
105 "100-500": 1.869226353726675,
106 "500-2k": 1.8723222787944866,
107 "2k-8k": 5.921194636086805
108 },
109 "bandLevelsDb": {
110 "20-100": -9.592628506927717,
111 "100-500": 0,
112 "500-2k": -1.9533493155855766,
113 "2k-8k": -1.7951500764588992
114 }
115 },
116 "gainDb": 20,
117 "peakDbfs": 28.137469113506477,
118 "run": {
119 "steps": 3072000,
120 "seconds": 33.30193984199967,
121 "nx": 39,
122 "ny": 58,
123 "dt": 0.0000013020833333333333,
124 "maxContactForce": 195.17520141601562
125 }
126 }
127 ]
128}