Gallery: 3 sweep(s) rendered
14 changed files+189−197
docs/gallery/clips/strike-stiffness-0.jsonmodified+20−21View file
@@ -3,35 +3,34 @@
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docs/gallery/clips/strike-stiffness-1.jsonmodified+20−21View file
@@ -3,35 +3,34 @@
33 "label": "50000000 N/m^1.5",
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docs/gallery/clips/strike-stiffness-2.jsonmodified+20−21View file
@@ -3,35 +3,34 @@
33 "label": "500000000 N/m^1.5",
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docs/gallery/clips/strike-stiffness-3.jsonmodified+20−21View file
@@ -3,35 +3,34 @@
33 "label": "5000000000 N/m^1.5",
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docs/gallery/clips/strike-stiffness-3.pngmodified+0−0View file
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docs/gallery/clips/strike-stiffness-3.wavmodified+0−0View file
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docs/gallery/index.htmlmodified+28−28View file
@@ -168,62 +168,62 @@ ul.toc { columns: 2; }
168168 <section id="strike-stiffness">
169169 <h2>Drumstick: tip hardness</h2>
170170 <p>The Hertz contact stiffness K stands for the hardness of the tip: a soft (rubber or felt) tip has a low K and a long, gentle contact that excites mainly the low modes; a hard tip (dense wood, or a metal beater) has a high K and a sharp click.</p>
171-<p class="dim">Playback gain -6 dB relative to 1 Pa = 0 dBFS (the simulator's default is +20 dB); loud onsets are soft-clipped. Spectrograms: 0 to 5 kHz over the clip, 80 dB range, one color scale per section.</p>
171+<p class="dim">Playback gain +20 dB relative to 1 Pa = 0 dBFS (the simulator's default is +20 dB); loud onsets are soft-clipped. Spectrograms: 0 to 5 kHz over the clip, 80 dB range, one color scale per section.</p>
172172 <div class="cards"><div class="card">
173173 <div class="label">5000000 N/m^1.5</div>
174174 <audio controls preload="none" src="clips/strike-stiffness-0.wav"></audio>
175175 <img src="clips/strike-stiffness-0.png" alt="spectrogram" width="640" height="200">
176176 <div class="metrics">
177- <div>peak 0.261 Pa (82 dB SPL)</div>
178- <div>RMS 4.2 mPa</div>
179- <div>centroid 404 Hz</div>
180- <div>T60 100-500 Hz 4.4 s, 2-8 kHz 4.3 s</div>
177+ <div>peak 0.380 Pa (86 dB SPL)</div>
178+ <div>RMS 5.1 mPa</div>
179+ <div>centroid 375 Hz</div>
180+ <div>T60 100-500 Hz 4.4 s, 2-8 kHz 4.7 s</div>
181181 <div>contact force 113 N</div>
182- <div class="dim">wav peak -17.7 dBFS</div>
182+ <div class="dim">wav peak 11.6 dBFS (soft-clipped)</div>
183183 </div>
184- <a href="../../?excitation=strike&contactStiffness=5000000&spacing=0.004">Open in simulator</a>
184+ <a href="../../?excitation=strike&contactStiffness=5000000">Open in simulator</a>
185185 </div>
186186 <div class="card">
187187 <div class="label">50000000 N/m^1.5</div>
188188 <audio controls preload="none" src="clips/strike-stiffness-1.wav"></audio>
189189 <img src="clips/strike-stiffness-1.png" alt="spectrogram" width="640" height="200">
190190 <div class="metrics">
191- <div>peak 1.085 Pa (95 dB SPL)</div>
192- <div>RMS 6.4 mPa</div>
193- <div>centroid 381 Hz</div>
194- <div>T60 100-500 Hz 4.6 s, 2-8 kHz 4.1 s</div>
195- <div>contact force 150 N</div>
196- <div class="dim">wav peak -5.3 dBFS</div>
191+ <div>peak 1.436 Pa (97 dB SPL)</div>
192+ <div>RMS 7.9 mPa</div>
193+ <div>centroid 677 Hz</div>
194+ <div>T60 100-500 Hz 4.0 s, 2-8 kHz 4.4 s</div>
195+ <div>contact force 148 N</div>
196+ <div class="dim">wav peak 23.1 dBFS (soft-clipped)</div>
197197 </div>
198- <a href="../../?excitation=strike&contactStiffness=50000000&spacing=0.004">Open in simulator</a>
198+ <a href="../../?excitation=strike&contactStiffness=50000000">Open in simulator</a>
199199 </div>
200200 <div class="card">
201201 <div class="label">500000000 N/m^1.5</div>
202202 <audio controls preload="none" src="clips/strike-stiffness-2.wav"></audio>
203203 <img src="clips/strike-stiffness-2.png" alt="spectrogram" width="640" height="200">
204204 <div class="metrics">
205- <div>peak 2.205 Pa (101 dB SPL)</div>
206- <div>RMS 9.5 mPa</div>
207- <div>centroid 435 Hz</div>
208- <div>T60 100-500 Hz 4.6 s, 2-8 kHz 4.0 s</div>
209- <div>contact force 179 N</div>
210- <div class="dim">wav peak 0.9 dBFS (soft-clipped)</div>
205+ <div>peak 2.552 Pa (102 dB SPL)</div>
206+ <div>RMS 10.9 mPa</div>
207+ <div>centroid 655 Hz</div>
208+ <div>T60 100-500 Hz 4.2 s, 2-8 kHz 4.6 s</div>
209+ <div>contact force 195 N</div>
210+ <div class="dim">wav peak 28.1 dBFS (soft-clipped)</div>
211211 </div>
212- <a href="../../?excitation=strike&contactStiffness=500000000&spacing=0.004">Open in simulator</a>
212+ <a href="../../?excitation=strike&contactStiffness=500000000">Open in simulator</a>
213213 </div>
214214 <div class="card">
215215 <div class="label">5000000000 N/m^1.5</div>
216216 <audio controls preload="none" src="clips/strike-stiffness-3.wav"></audio>
217217 <img src="clips/strike-stiffness-3.png" alt="spectrogram" width="640" height="200">
218218 <div class="metrics">
219- <div>peak 2.800 Pa (103 dB SPL)</div>
220- <div>RMS 10.3 mPa</div>
221- <div>centroid 463 Hz</div>
222- <div>T60 100-500 Hz 4.8 s, 2-8 kHz 4.1 s</div>
223- <div>contact force 354 N</div>
224- <div class="dim">wav peak 2.9 dBFS (soft-clipped)</div>
219+ <div>peak 3.469 Pa (105 dB SPL)</div>
220+ <div>RMS 15.5 mPa</div>
221+ <div>centroid 563 Hz</div>
222+ <div>T60 100-500 Hz 3.8 s, 2-8 kHz 4.5 s</div>
223+ <div>contact force 532 N</div>
224+ <div class="dim">wav peak 30.8 dBFS (soft-clipped)</div>
225225 </div>
226- <a href="../../?excitation=strike&contactStiffness=5000000000&spacing=0.004">Open in simulator</a>
226+ <a href="../../?excitation=strike&contactStiffness=5000000000">Open in simulator</a>
227227 </div></div>
228228 </section>
229229 <p class="dim">Generated by <code>steelsim gallery</code>; parameters not listed take the simulator defaults.</p>
docs/gallery/strike-stiffness.jsonmodified+81−85View file
@@ -15,43 +15,42 @@
1515 5000000000
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1919 "clips": [
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5756 {
@@ -59,36 +58,35 @@
5958 "label": "50000000 N/m^1.5",
6059 "overrides": {
6160 "excitation": "strike",
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63- "spacing": 0.004
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6462 },
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67+ "centroidHz": 677.3112252388133,
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7573 },
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78+ "2k-8k": -2.0785887087875885
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84- "peakDbfs": -5.294327554635715,
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8583 "run": {
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9290 }
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9492 {
@@ -96,36 +94,35 @@
9694 "label": "500000000 N/m^1.5",
9795 "overrides": {
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99- "contactStiffness": 500000000,
100- "spacing": 0.004
97+ "contactStiffness": 500000000
10198 },
10299 "metrics": {
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102+ "rmsPa": 0.010939866293578663,
103+ "centroidHz": 654.5269112833041,
107104 "t60": {
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109- "100-500": 4.5707678921683526,
110- "500-2k": 2.5907910666908407,
111- "2k-8k": 3.9744633879876843
105+ "20-100": 5.084050764268366,
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107+ "500-2k": 2.5109722913953734,
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115112 "100-500": 0,
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113+ "500-2k": 1.0910838167922776,
114+ "2k-8k": -0.46759244010335266
118115 }
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120- "gainDb": -6,
121- "peakDbfs": 0.8686355148534772,
117+ "gainDb": 20,
118+ "peakDbfs": 28.13784401187437,
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129126 }
130127 },
131128 {
@@ -133,36 +130,35 @@
133130 "label": "5000000000 N/m^1.5",
134131 "overrides": {
135132 "excitation": "strike",
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168164 ]