Flute acoustics: measurement, modelling and design - School of ...

More documents

Recommendations

Info

260 APPENDIX B. PROGRAM LISTINGS 2.0*((sqrt((y0 + 3.0 - a)/c + (b/(2.0*c))*(b/(2.0*c))) - (b/(2.0*c))) - x0); } else { ext->type = MAXIMUM; /* determine analytical maximum from parabola fit */ x0 = -1.0*(b/(2.0*c)); y0 = a + b*x0 + c*x0*x0; if(weight) { /* find frequency of absolute maximum in data vector */ maxf = highest(points); numext = numExtrema(points, MAXIMUM); /* if only one maximum in set, heavily weight to absolute maximum */ if(numext == 1) { ext->f = (x0*maxf)/(0.95*x0 + 0.05*maxf); } /* otherwise, moderately weight towards absolute maximum */ else { ext->f = (x0*maxf)/(0.75*x0 + 0.25*maxf); } } /* if weight is false, use fit to determine f */ else ext->f = x0; /* construct maximum impedance is parabola maximum bandwidth and Q factor is 3dB span of parabola */ ext->Z = y0; ext->B = 2.0*((sqrt((y0 - 3.0 - a)/c + (b/(2.0*c))*(b/(2.0*c))) - (b/(2.0*c))) - x0); } } return ext; int progressPoints(Vector points, Vector allpoints, int index) { Point p = (Point)malloc(sizeof(*p)); /* read points if data still in file */ if(index < sizeVector(allpoints)) { *p = *((Point)elementAt(allpoints, index)); /* remove oldest point and add newly read point */ popFront(points); addElement(points, p); return 1; } /* otherwise end of data reached */ else return 0; } int numExtrema(Vector points, minmax type) {
APPENDIX B. PROGRAM LISTINGS 261 int i; int nmin = 0; int nmax = 0; int descent = 1; Point p1, p2; p1 = (Point)elementAt(points, 0); /* run through all points given */ for(i = 1; i < sizeVector(points); i++) { p2 = (Point)elementAt(points, i); /* if next point increases */ if(p2->y > p1->y && descent) { nmin++; descent = 0; } /* if next point decreases, indicate decrease */ if(p2->y < p1->y && !descent) { nmax++; descent = 1; } p1 = p2; } if(type == MINIMUM) return nmin; else return nmax; } double lowest(Vector points) { int i; Point p; double minf, minZ; /* minimum is set to first point */ p = (Point)elementAt(points, 0); minf = p->x; minZ = p->y; /* find lowest point in data vector and return it */ for(i = 1; i < sizeVector(points); i++) { p = (Point)elementAt(points, i); if(p->y < minZ) { minf = p->x; minZ = p->y; } } return minf; } double highest(Vector points) { int i; Point p; double maxf, maxZ; /* maximum is set to first point */ p = (Point)elementAt(points, 0); maxf = p->x; maxZ = p->y; /* find highest point in data vector and return it */ for(i = 1; i < sizeVector(points); i++) { p = (Point)elementAt(points, i); if(p->y > maxZ) {
Page 1 and 2:
Flute acoustics: measurement, model
Page 3:
To Renée iii
Page 6 and 7:
vi I am grateful to my parents, Ros
Page 8 and 9:
viii
Page 10 and 11:
x 4.4 Conclusions and further direc
Page 12 and 13:
2 CHAPTER 1. INTRODUCTION and the p
Page 14 and 15:
4 CHAPTER 1. INTRODUCTION Figure 1.
Page 16 and 17:
6 CHAPTER 1. INTRODUCTION 1.5 ACOUS
Page 18 and 19:
8 CHAPTER 1. INTRODUCTION ‘in-tun
Page 20 and 21:
10 CHAPTER 1. INTRODUCTION
Page 22 and 23:
12 CHAPTER 2. THEORY AND LITERATURE
Page 24 and 25:
Page 26 and 27:
k = ω c and pressure given by p(x,
Page 28 and 29:
Page 30 and 31:
Page 32 and 33:
Page 34 and 35:
Page 36 and 37:
Page 38 and 39:
Page 40 and 41:
Page 42 and 43:
32 CHAPTER 3. MEASURING ACOUSTIC IM
Page 44 and 45:
Page 46 and 47:
Page 48 and 49:
Page 50 and 51:
Page 52 and 53:
Page 54 and 55:
Page 56 and 57:
Page 58 and 59:
Page 60 and 61:
Page 62 and 63:
Page 64 and 65:
54 CHAPTER 4. FINGER HOLE IMPEDANCE
Page 66 and 67:
Page 68 and 69:
Page 70 and 71:
Page 72 and 73:
Page 74 and 75:
Page 76 and 77:
Page 78 and 79:
Page 80 and 81:
70 CHAPTER 5. IMPEDANCE SPECTRA OF
Page 82 and 83:
Page 84 and 85:
Page 86 and 87:
Page 88 and 89:
Page 90 and 91:
Page 92 and 93:
Page 94 and 95:
Page 96 and 97:
Page 98 and 99:
Page 100 and 101:
Page 102 and 103:
Page 104 and 105:
Page 106 and 107:
Page 108 and 109:
98 CHAPTER 6. MATERIAL AND SURFACE
Page 110 and 111:
Page 112 and 113:
Page 114 and 115:
104 CHAPTER 7. THE EMBOUCHURE HOLE
Page 116 and 117:
Page 118 and 119:
Page 120 and 121:
Page 122 and 123:
112 CHAPTER 8. SOFTWARE IMPLEMENTAT
Page 124 and 125:
Page 126 and 127:
Page 128 and 129:
Page 130 and 131:
Page 132 and 133:
Page 134 and 135:
Page 136 and 137:
Page 138 and 139:
128 CHAPTER 9. APPLICATIONS AND FUR
Page 140 and 141:
Page 142 and 143:
Page 144 and 145:
Page 146 and 147:
Page 148 and 149:
Page 150 and 151:
Page 152 and 153:
142 APPENDIX A. IMPEDANCE SPECTRA C
Page 154 and 155:
144 APPENDIX A. IMPEDANCE SPECTRA F
Page 156 and 157:
146 APPENDIX A. IMPEDANCE SPECTRA A
Page 158 and 159:
Page 160 and 161:
150 APPENDIX A. IMPEDANCE SPECTRA D
Page 162 and 163:
Page 164 and 165:
Page 166 and 167:
Page 168 and 169:
Page 170 and 171:
Page 172 and 173:
Page 174 and 175:
Page 176 and 177:
166 APPENDIX A. IMPEDANCE SPECTRA E
Page 178 and 179:
Page 180 and 181:
Page 182 and 183:
Page 184 and 185:
Page 186 and 187:
Page 188 and 189:
Page 190 and 191:
Page 192 and 193:
Page 194 and 195:
Page 196 and 197:
Page 198 and 199:
Page 200 and 201:
Page 202 and 203:
Page 204 and 205:
194 APPENDIX A. IMPEDANCE SPECTRA
Page 206 and 207:
196 APPENDIX B. PROGRAM LISTINGS /*
Page 208 and 209:
198 APPENDIX B. PROGRAM LISTINGS f:
Page 210 and 211:
200 APPENDIX B. PROGRAM LISTINGS Ca
Page 212 and 213:
202 APPENDIX B. PROGRAM LISTINGS 1.
Page 214 and 215:
204 APPENDIX B. PROGRAM LISTINGS Z_
Page 216 and 217:
Page 218 and 219:
208 APPENDIX B. PROGRAM LISTINGS co
Page 220 and 221: 210 APPENDIX B. PROGRAM LISTINGS */
Page 222 and 223: 212 APPENDIX B. PROGRAM LISTINGS nu
Page 224 and 225: 214 APPENDIX B. PROGRAM LISTINGS pr
Page 226 and 227: 216 APPENDIX B. PROGRAM LISTINGS +
Page 228 and 229: 218 APPENDIX B. PROGRAM LISTINGS el
Page 230 and 231: 220 APPENDIX B. PROGRAM LISTINGS }
Page 234 and 235: 224 APPENDIX B. PROGRAM LISTINGS
Page 236 and 237: 226 APPENDIX B. PROGRAM LISTINGS 7
Page 238 and 239: 228 APPENDIX B. PROGRAM LISTINGS 7.
Page 240 and 241: 230 APPENDIX B. PROGRAM LISTINGS 11
Page 244 and 245: 234 APPENDIX B. PROGRAM LISTINGS
Page 246 and 247: 236 APPENDIX B. PROGRAM LISTINGS Re
Page 248 and 249: 238 APPENDIX B. PROGRAM LISTINGS Re
Page 250 and 251: 240 APPENDIX B. PROGRAM LISTINGS co
Page 252 and 253: 242 APPENDIX B. PROGRAM LISTINGS /*
Page 264 and 265: 254 APPENDIX B. PROGRAM LISTINGS */
Page 266 and 267: 256 APPENDIX B. PROGRAM LISTINGS Mi
Page 272 and 273: 262 APPENDIX B. PROGRAM LISTINGS ma
Page 274 and 275: 264 APPENDIX B. PROGRAM LISTINGS if
Page 276 and 277: 266 APPENDIX B. PROGRAM LISTINGS x
Page 278 and 279: 268 APPENDIX B. PROGRAM LISTINGS Li
Page 288 and 289: 278 APPENDIX B. PROGRAM LISTINGS if
Page 292 and 293: 282 APPENDIX B. PROGRAM LISTINGS Li
Page 294 and 295: 284 APPENDIX B. PROGRAM LISTINGS in
Page 296 and 297: 286 APPENDIX B. PROGRAM LISTINGS do
Page 302 and 303: 292 APPENDIX B. PROGRAM LISTINGS re
Page 304 and 305: 294 APPENDIX B. PROGRAM LISTINGS fp
Page 310 and 311: 300 APPENDIX B. PROGRAM LISTINGS #e
Page 312 and 313: 302 APPENDIX B. PROGRAM LISTINGS p2
Page 314 and 315: 304 APPENDIX B. PROGRAM LISTINGS po
Page 320 and 321:
310 APPENDIX B. PROGRAM LISTINGS re
Page 322 and 323:
Page 324 and 325:
314 APPENDIX B. PROGRAM LISTINGS Un
Page 326 and 327:
316 APPENDIX B. PROGRAM LISTINGS */
Page 328 and 329:
Page 330 and 331:
320 APPENDIX B. PROGRAM LISTINGS em
Page 332 and 333:
Page 334 and 335:
324 APPENDIX B. PROGRAM LISTINGS s
Page 336 and 337:
326 APPENDIX B. PROGRAM LISTINGS le
Page 338 and 339:
328 APPENDIX B. PROGRAM LISTINGS in
Page 340 and 341:
330 APPENDIX B. PROGRAM LISTINGS if
Page 342 and 343:
Page 344 and 345:
334 APPENDIX B. PROGRAM LISTINGS co
Page 346 and 347:
336 APPENDIX B. PROGRAM LISTINGS Li
Page 348 and 349:
338 APPENDIX C. QUANTIFYING MUSIC s
Page 350 and 351:
340 REFERENCES Botros, A., Smith, J
Page 352 and 353:
342 REFERENCES Kob, M. & Neuschaefe
show all

Flute acoustics: measurement, modelling and design - School of ...

Create successful ePaper yourself

Delete template?

Save as template?