2 "sweep": {
3 "id": "strike-speed",
4 "title": "Drumstick: stick speed",
5 "text": "A wooden stick tip (30 g effective mass) strikes the sheet at 70 percent of its width and 35 percent of its height. Speed sets both the loudness and the character: the contact force grows with speed, the contact shortens, and more energy reaches the high modes. The sound grows brighter as well as louder.",
6 "base": {
7 "excitation": "strike"
8 },
9 "param": "strikeVelocity",
10 "unit": "m/s",
11 "values": [
12 0.5,
13 1,
14 2,
15 3,
16 4.5,
17 6
18 ]
19 },
20 "gainDb": -10,
21 "clips": [
22 {
23 "id": "strike-speed-0",
24 "label": "0.5 m/s",
25 "overrides": {
26 "excitation": "strike",
27 "strikeVelocity": 0.5,
28 "spacing": 0.004
29 },
30 "metrics": {
31 "peakPa": 0.32989823818206787,
32 "peakDbSpl": 84.34700001085253,
33 "rmsPa": 0.0013752768866802387,
34 "centroidHz": 211.35075889523384,
35 "t60": {
36 "20-100": 5.421595189026437,
37 "100-500": 4.829842234560236,
38 "500-2k": 2.584959790972203,
39 "2k-8k": 7.753386829472608
40 },
41 "bandLevelsDb": {
42 "20-100": 0.43503645593334284,
43 "100-500": 0,
44 "500-2k": -5.277500098983353,
45 "2k-8k": -2.7251999649091854
46 }
47 },
48 "gainDb": -10,
49 "peakDbfs": -19.632400075867853,
50 "run": {
51 "steps": 6144000,
52 "seconds": 62.09852399299999,
53 "nx": 77,
54 "ny": 115,
55 "dt": 6.510416666666666e-7,
56 "maxContactForce": 27.824155807495117
57 }
58 },
59 {
60 "id": "strike-speed-1",
61 "label": "1 m/s",
62 "overrides": {
63 "excitation": "strike",
64 "strikeVelocity": 1,
65 "spacing": 0.004
66 },
67 "metrics": {
68 "peakPa": 0.7198619842529297,
69 "peakDbSpl": 91.12438487026358,
70 "rmsPa": 0.002925910255742066,
71 "centroidHz": 236.18250592388765,
72 "t60": {
73 "20-100": 5.320227447271335,
74 "100-500": 4.771006973144124,
75 "500-2k": 2.4780040581908356,
76 "2k-8k": 6.072417631425333
77 },
78 "bandLevelsDb": {
79 "20-100": -2.6954138963976675,
80 "100-500": 0,
81 "500-2k": -6.252126176052808,
82 "2k-8k": -3.7111693800043906
83 }
84 },
85 "gainDb": -10,
86 "peakDbfs": -12.855015216456797,
87 "run": {
88 "steps": 6144000,
89 "seconds": 61.601261146000006,
90 "nx": 77,
91 "ny": 115,
92 "dt": 6.510416666666666e-7,
93 "maxContactForce": 57.076847076416016
94 }
95 },
96 {
97 "id": "strike-speed-2",
98 "label": "2 m/s",
99 "overrides": {
100 "excitation": "strike",
101 "strikeVelocity": 2,
102 "spacing": 0.004
103 },
104 "metrics": {
105 "peakPa": 1.4831573963165283,
106 "peakDbSpl": 97.40314492420696,
107 "rmsPa": 0.0063310579870730676,
108 "centroidHz": 219.54177547702503,
109 "t60": {
110 "20-100": 5.531767562097402,
111 "100-500": 4.46948516550146,
112 "500-2k": 2.398375013569001,
113 "2k-8k": 4.846408972532886
114 },
115 "bandLevelsDb": {
116 "20-100": -1.132559844659724,
117 "100-500": 0,
118 "500-2k": -2.2850845475978403,
119 "2k-8k": -3.067700239340308
120 }
121 },
122 "gainDb": -10,
123 "peakDbfs": -6.576255162513417,
124 "run": {
125 "steps": 6144000,
126 "seconds": 61.652156889999986,
127 "nx": 77,
128 "ny": 115,
129 "dt": 6.510416666666666e-7,
130 "maxContactForce": 117.44657135009766
131 }
132 },
133 {
134 "id": "strike-speed-3",
135 "label": "3 m/s",
136 "overrides": {
137 "excitation": "strike",
138 "strikeVelocity": 3,
139 "spacing": 0.004
140 },
141 "metrics": {
142 "peakPa": 2.205117702484131,
143 "peakDbSpl": 100.84803560157386,
144 "rmsPa": 0.00951895798535143,
145 "centroidHz": 435.21529790921534,
146 "t60": {
147 "20-100": 5.627390472686013,
148 "100-500": 4.5707678921683526,
149 "500-2k": 2.5907910666908407,
150 "2k-8k": 3.9744633879876843
151 },
152 "bandLevelsDb": {
153 "20-100": -1.3514353071700143,
154 "100-500": 0,
155 "500-2k": 1.187547735231874,
156 "2k-8k": 1.994130612116379
157 }
158 },
159 "gainDb": -10,
160 "peakDbfs": -3.1313644851465208,
161 "run": {
162 "steps": 6144000,
163 "seconds": 61.56484928600001,
164 "nx": 77,
165 "ny": 115,
166 "dt": 6.510416666666666e-7,
167 "maxContactForce": 179.2267303466797
168 }
169 },
170 {
171 "id": "strike-speed-4",
172 "label": "4.5 m/s",
173 "overrides": {
174 "excitation": "strike",
175 "strikeVelocity": 4.5,
176 "spacing": 0.004
177 },
178 "metrics": {
179 "peakPa": 3.2714650630950928,
180 "peakDbSpl": 104.27424582082,
181 "rmsPa": 0.015204134411944873,
182 "centroidHz": 785.7258882231057,
183 "t60": {
184 "20-100": 5.309500138060633,
185 "100-500": 4.907877539400254,
186 "500-2k": 2.46606147333142,
187 "2k-8k": 3.458747776978249
188 },
189 "bandLevelsDb": {
190 "20-100": -7.638003960332192,
191 "100-500": 0,
192 "500-2k": -0.24072680069535934,
193 "2k-8k": 1.3345514920752777
194 }
195 },
196 "gainDb": -10,
197 "peakDbfs": 0.29484573409962195,
198 "run": {
199 "steps": 6144000,
200 "seconds": 61.581769396999995,
201 "nx": 77,
202 "ny": 115,
203 "dt": 6.510416666666666e-7,
204 "maxContactForce": 274.3179931640625
205 }
206 },
207 {
208 "id": "strike-speed-5",
209 "label": "6 m/s",
210 "overrides": {
211 "excitation": "strike",
212 "strikeVelocity": 6,
213 "spacing": 0.004
214 },
215 "metrics": {
216 "peakPa": 4.558109760284424,
217 "peakDbSpl": 107.15509566425658,
218 "rmsPa": 0.022380536386267347,
219 "centroidHz": 1578.454788876433,
220 "t60": {
221 "20-100": 4.823713519443493,
222 "100-500": 4.471439813226143,
223 "500-2k": 2.5290009859903333,
224 "2k-8k": 3.195202801525849
225 },
226 "bandLevelsDb": {
227 "20-100": -3.1385641591647087,
228 "100-500": 0,
229 "500-2k": 4.682382107396865,
230 "2k-8k": 10.888707085094378
231 }
232 },
233 "gainDb": -10,
234 "peakDbfs": 3.175695577536199,
235 "run": {
236 "steps": 6144000,
237 "seconds": 61.57575858599995,
238 "nx": 77,
239 "ny": 115,
240 "dt": 6.510416666666666e-7,
241 "maxContactForce": 371.9477844238281
242 }
243 }
244 ]
245}