2 "sweep": {
3 "id": "damping-inplane",
4 "title": "Damping: in-plane loss (push and release)",
87b10e4Gallery: 31 sweep(s) renderedJeremy Magland 5 "text": "The stretching modes of the sheet lie at several kilohertz and, once the sheet is curved, couple to transverse motion. Without their own loss they ring for the whole low-frequency decay. Under the push the effect on the metrics is small (the band above 2 kHz is more than 40 dB down in every case); it is mainly audible as a faint high ring late in the decay when the loss is zero.",
7 "unit": "1/s",
8 "values": [
9 0,
10 20,
11 100
12 ]
13 },
14 "gainDb": 20,
15 "clips": [
16 {
17 "id": "damping-inplane-0",
18 "label": "0 1/s",
19 "overrides": {
20 "sigmaIn": 0
21 },
22 "metrics": {
23 "peakPa": 0.04670141637325287,
24 "peakDbSpl": 67.3660011300598,
25 "rmsPa": 0.0033521511870029963,
26 "centroidHz": 198.10285705267498,
27 "t60": {
28 "20-100": 5.429760796123816,
29 "100-500": 4.146530912451851,
30 "500-2k": 2.72500849636645,
31 "2k-8k": 14.745599529544437
32 },
33 "bandLevelsDb": {
34 "20-100": -1.1509956342604362,
35 "100-500": 0,
36 "500-2k": -6.711524284147238,
37 "2k-8k": -41.10173726177311
38 }
39 },
40 "gainDb": 20,
41 "peakDbfs": -6.6133989566605695,
42 "run": {
43 "steps": 3072000,
44 "seconds": 38.21555976900039,
45 "nx": 39,
46 "ny": 58,
47 "dt": 0.0000013020833333333333,
48 "maxContactForce": 0
49 }
50 },
51 {
52 "id": "damping-inplane-1",
53 "label": "20 1/s",
54 "overrides": {
55 "sigmaIn": 20
56 },
57 "metrics": {
58 "peakPa": 0.04646482318639755,
59 "peakDbSpl": 67.32188586389826,
60 "rmsPa": 0.0033498771907116485,
61 "centroidHz": 195.7169225189091,
62 "t60": {
63 "20-100": 5.414347622298749,
64 "100-500": 4.0120593180726445,
65 "500-2k": 2.724403865668108,
66 "2k-8k": 7.678595678417119
67 },
68 "bandLevelsDb": {
69 "20-100": -1.153481711330091,
70 "100-500": 0,
71 "500-2k": -6.774905483785499,
72 "2k-8k": -41.19767338483816
73 }
74 },
75 "gainDb": 20,
76 "peakDbfs": -6.657514222822115,
77 "run": {
78 "steps": 3072000,
79 "seconds": 38.27457085300004,
80 "nx": 39,
81 "ny": 58,
82 "dt": 0.0000013020833333333333,
83 "maxContactForce": 0
84 }
85 },
86 {
87 "id": "damping-inplane-2",
88 "label": "100 1/s",
89 "overrides": {
90 "sigmaIn": 100
91 },
92 "metrics": {
93 "peakPa": 0.04655877873301506,
94 "peakDbSpl": 67.33943168602237,
95 "rmsPa": 0.0033042512372544134,
96 "centroidHz": 198.1867332410497,
97 "t60": {
98 "20-100": 5.312287408966688,
99 "100-500": 4.06216826983169,
100 "500-2k": 2.5829688355894755,
101 "2k-8k": 6.049370032242702
102 },
103 "bandLevelsDb": {
104 "20-100": -1.250601056313812,
105 "100-500": 0,
106 "500-2k": -6.693784128068216,
107 "2k-8k": -41.4001632836558
108 }
109 },
110 "gainDb": 20,
111 "peakDbfs": -6.639968400698006,
112 "run": {
113 "steps": 3072000,
114 "seconds": 38.312757796999996,
115 "nx": 39,
116 "ny": 58,
117 "dt": 0.0000013020833333333333,
118 "maxContactForce": 0
119 }
120 }
121 ]
122}