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
Essential Elements
Power SupplyOscillatorResonatorAmplifier
Pitch Control
Power supply
• Bow• Pick• Mallet• Lungs• Hammer
Oscillator
StringLips
ReedsMembrane
Resonator
• StringBody
• Air Column• Membrane
Amplifier
• Body• Air column• Sound Board• Membrane
Pitch Control
• String mass, tension, length
• Valves, slide• Tone holes• Embouchure
• Examples of Structural Vibrations
Violin
Steel Pan
Triangle
Synthetic Materials
• Graphite• Steel
• Marimba bars
• Martin SchleskeMunich Luthier &Scientist
Layered Graphite sheetsCopy vibrational modes
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