materials in musical instruments uwe j. hansen dept of chemistry & physics indiana state...
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Materials in Musical Instruments
Uwe J. HansenDept of Chemistry &
PhysicsIndiana State University
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Essential Elements
Power SupplyOscillatorResonatorAmplifier
Pitch Control
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Power supply
• Bow• Pick• Mallet• Lungs• Hammer
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Oscillator
StringLips
ReedsMembrane
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Resonator
• StringBody
• Air Column• Membrane
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Amplifier
• Body• Air column• Sound Board• Membrane
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Pitch Control
• String mass, tension, length
• Valves, slide• Tone holes• Embouchure
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• Examples of Structural Vibrations
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Violin
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Steel Pan
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Triangle
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Synthetic Materials
• Graphite• Steel
• Marimba bars
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• Martin SchleskeMunich Luthier &Scientist
Layered Graphite sheetsCopy vibrational modes