dB SPL Sound Source (with distance) - Brian K. Shepard

Recommendations

Info

Common db SPL values dB SPL Sound Source (with distance) 70 Busy traffic at 5 meters 60 Office or restaurant inside 50 Quiet restaurant inside 40 Residential area at night 30 Theater, no talking 20 Only rustling of leaves 10 Human breathing at 3 meters 0 Threshold of Hearing (human with good ears) MUEA 474a – 02 Sound and Acoustics
Common db SPL values dB SPL Sound Source (with distance) 180 Rocket engine at 30 meters 150 Jet engine at 30 meters 130 Threshold of pain 120 Rock concert; Jet aircraft taking off at 100 meters 110 Accelerating motorcycle at 5m; Chainsaw at 1meter 100 Pneumatic hammer at 2 meters; Inside disco 90 Loud factory; Heavy truck at 1meter 80 Vacuum cleaner at 1meter; Curbside of busy street MUEA 474a – 02 Sound and Acoustics
Page 1 and 2: Sound and Acoustics MUEA 474a • E
Page 3 and 4: What does sound look like? MUEA 474
Page 5 and 6: Speed of Sound � 343 meters per s
Page 7 and 8: Sound Wave Frequency 1 second � T
Page 9 and 10: Sound Wave Amplitude MUEA 474a - 02
Page 11 and 12: Hearing, Perception & Psychoacousti
Page 13 and 14: The Outer Ear � Flesh and cartila
Page 15 and 16: The Inner Ear � Cochlea has spira
Page 17 and 18: Hearing Frequencies Pitch Timbre or
Page 19 and 20: The Dyne � The amount of force re
Page 21 and 22: The Decibel � The Decibel is the
Page 23 and 24: The Decibel � Decibels always com
Page 25: dB SPL Meter MUEA 474a - 02 Sound a
Page 29 and 30: Hearing Amplitude Our ears do a nat
Page 31 and 32: Directional Perception MUEA 474a -
Page 33 and 34: Sound Localization Binaural Imaging
Page 35 and 36: Interaural Arrival-Time Difference
Page 37 and 38: Phantom Imaging � Depending on ho
Page 39 and 40: Perception of Space � Direct Soun
Page 41 and 42: Amplitude Masking Loud sounds make
Page 43 and 44: Temporal Masking Just as a bright f
Page 45: Sound Wavelength � Due to air mol
Page 48 and 49: Complex Sound Waves � Pure sine w
Page 50 and 51: Complex Sound Waves Wave 1 Wave 2 W
Page 52 and 53: Sound Wave Phase Position � Red w
Page 54 and 55: Sound Wavelength/Standing Waves �
Page 56 and 57: Standing Waves in Resonant Bodies
Page 58 and 59: Resonant Frequency MUEA 474a - 02 S
Page 60 and 61: Reflection of Sound � Incident so
Page 62 and 63: Diffraction of Sound MUEA 474a - 02
Page 64 and 65: Effects Processing � Alters the a
Page 66 and 67: Time-Based Effects � Delay � Ph
Page 68 and 69: Comb Filter When short delays are a
Page 70 and 71: Common Delay Effects � Slap (or T
Page 72 and 73: Delay Feedback � Sends some of th
Page 74 and 75: Reverb � Reverberation Effects Pr
Page 76 and 77:
Anechoic Chamber Effects Processing
Page 78 and 79:
Concert Hall Effects Processing
Page 80 and 81:
Chamber/Room Effects Processing
Page 82 and 83:
Stage Effects Processing
Page 84 and 85:
Plate Reverb Effects Processing
Page 86 and 87:
Common Reverb Controls � Pre-Dela
Page 88 and 89:
Dynamics Processors � Compressor
Page 90 and 91:
Threshold Above Threshold Below Thr
Page 92 and 93:
Ratio � Determines how much the i
Page 94 and 95:
Knee � Adjusts how smoothly or ab
Page 96 and 97:
Knee Effects Processing Hard Knee
Page 98 and 99:
Release Time � The time the compr
Page 100 and 101:
Special Compressors � Key Input a
Page 102 and 103:
Ducker � A Compressor whose actio
Page 104 and 105:
Limiter � A compressor whose outp
Page 106 and 107:
Expander � Increases dynamic rang
Page 108 and 109:
Gate (Noise Gate) � An expander s
Page 110 and 111:
Microphones MUIN 277x • Introduct
Page 112 and 113:
Microphone Types - Dynamic � Dyna
Page 114 and 115:
Microphone Types - Dynamic MUIN 277
Page 116 and 117:
Microphone Types - Ribbon � Micro
Page 118 and 119:
Microphone Types - Condenser � Me
Page 120 and 121:
Microphone Types - Condenser MUIN 2
Page 122 and 123:
Microphone Types - Condenser � So
Page 124 and 125:
Diaphragm Size � Yes, size matter
Page 126 and 127:
Microphone Polar Patterns Response
Page 128 and 129:
Bidirectional or “Figure-8” Pat
Page 130 and 131:
Supercardioid Pattern The Supercard
Page 132 and 133:
Boundary Microphone The Boundary Mi
Page 134 and 135:
Microphone Preamp Controls � Trim
Page 136 and 137:
Phantom Power MUIN 277 - 08 Microph
Page 138 and 139:
Microphone Frequency Response Relat
Page 140 and 141:
Microphone Terminology � Self Noi
Page 142 and 143:
Microphone Shockmount Reduces Vibra
Page 144 and 145:
Microphone Techniques MUIN 277 - 08
Page 146 and 147:
Microphone Placement � Close Mic
Page 148 and 149:
Stereo Microphone Techniques A pair
Page 150 and 151:
Interaural Arrival-Time Difference
Page 152 and 153:
Stereophonic Imaging A Left Speaker
Page 154 and 155:
Stereophonic Imaging A Left Speaker
Page 156 and 157:
Microphone Elevation A B C D = A B
Page 158 and 159:
Spaced Pair Technique D MUIN 277 -
Page 160 and 161:
Coincident (X-Y) Technique MUIN 277
Page 162 and 163:
Blumlein (X-Y) Technique MUIN 277 -
Page 164 and 165:
Mid-Side Pair Technique M/S Microph
Page 166 and 167:
Near-Coincident (ORTF) Technique SC
Page 168 and 169:
Binaural Technique MUIN 277 - 08 Mi
Page 170 and 171:
Intellectual Property & Copyright M
Page 172 and 173:
Copyright © � The Congress shall
Page 174 and 175:
Copyright © � The five "pillars"
Page 176 and 177:
Copyright © � Copyright protecti
Page 178 and 179:
Copyright © � © Copyright Symbo
Page 180 and 181:
Fair Use � Under the fair use doc
Page 182 and 183:
Fair Use Consideration � Quotatio
Page 184 and 185:
Copy Protection � Until very rece
Page 186 and 187:
Copy Protection � Even with the p
Page 188 and 189:
Copy Protection � The cassette ta
Page 190 and 191:
Copy Protection � The Internet ha
Page 192 and 193:
Software License Agreement Cycling
Page 194 and 195:
Software License Agreement 1. Licen
Page 196 and 197:
Digital Rights Management (DRM) �
Page 198 and 199:
DMCA Compliance at USC � Institut
Page 200 and 201:
Please, Don’t Steal Music and Sof
Page 202 and 203:
Analog A continuous, and often grap
Page 204 and 205:
Acoustical to Electrical Conversion
Page 206 and 207:
Digital Audio In Digital recording,
Page 208 and 209:
Sampling Rate � In the Digital Au
Page 210 and 211:
Bit Depth � The measurement of th
Page 212 and 213:
Decimal (base 10) math � Counting
Page 214 and 215:
Counting in Binary Counting in bina
Page 216 and 217:
Digitization Electrical analog wave
Page 218 and 219:
Page 220 and 221:
Page 222 and 223:
Quantization Error The difference b
Page 224 and 225:
Common Sample Rates & Bit Depths
Page 226 and 227:
Aliasing If the sampling rate is to
Page 228 and 229:
Digital Levels � Levels in Digita
Page 230 and 231:
Normalizing Normalizing increases t
Page 232:
Word Clock In order to work correct
show all

dB SPL Sound Source (with distance) - Brian K. Shepard

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?