Acoustical & Musical Instruments
H3-15: TWIRL-A-TUNE AND VACUUM CLEANER
Category: H3 Standing Sound Waves
Purpose:
Demonstrate standing wave resonances in an open tube.
H3-12: ROARING TUBE - 4 FT
Category: H3 Standing Sound Waves
Purpose:
Demonstrate standing sound waves in air excited by convection currents.
H3-13: ROARING TUBE - 8 FT
Category: H3 Standing Sound Waves
Purpose:
Demonstrate standing sound waves in air excited by convection currents.
H3-11: TUNING FORKS AND RESONANT TUBE
Category: H3 Standing Sound Waves
Purpose:
Illustrate resonance in an air column.
H3-04: KUNDT'S TUBE - STROKED ROD
Category: H3 Standing Sound Waves
Purpose:
Demonstrate standing waves in an air column.
G4-22: CHLADNI FIGURES - OSCILLATOR DRIVEN
Category: G4 Mechanical Waves - Two Dimensional
Purpose:
Show two-dimensional standing waves in a metal plate
G4-21: CHLADNI FIGURES - BOWED
Category: G4 Mechanical Waves - Two Dimensional
Purpose:
Show two-dimensional standing waves in a metal plate
G4-14: SPOUTING BOWL
Category: G4 Mechanical Waves - Two Dimensional
Purpose:
Demonstrate resonance in a dramatic way
G4-13: DRUM HEAD STANDING WAVES
Category: G4 Mechanical Waves - Two Dimensional
Purpose:
Demonstrate standing waves in a circular membrane.
H2-52: BEATS AND RESONANCE - TUNING BARS
Category: H2 Wave Properties of Sound
Purpose:
To demonstrate beats, and to demonstrate resonance between two identical tuning bar resonators.
H4-53: MOOG ROGUE SYNTHESIZER
Category: H4 Music
Purpose:
Illustrates a simple analog music synthesizer
H3-71 STROKED ALUMINUM ROD
Category: H3 Standing Sound Waves
Purpose:
Illustrates longitudinal standing waves in an aluminum rod.
H3-24 OPEN AND CLOSED PIPES
Category: H3 Standing Sound Waves
Purpose:
Demonstrates open and closed tube standing resonances
H3-14 TWIRL-A-TUNE
Category: H3 Standing Sound Waves
Purpose:
Demonstrates standing wave resonances in an open tube
H2-42 DOPPLER EFFECT - TUNING FORK ON STRING
Category: H2 Wave Properties of Sound
Purpose:
Demonstrates Doppler effect
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H4-01: FOURIER SYNTHESIS
Demonstrate Fourier synthesis of complex wave shapes Read More
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H4-04 FOURIER ANALYSIS - DIGITAL OSCILLOSCOPE
Demonstrates the Fourier spectrum of complex waves Read More
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H4-11 SAVART'S DISCS
Demonstrates the relationship of pitch and musical intervals to mechanical vibration frequency Read More
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H4-12: LISSAJOUS FREQUENCY MEASUREMENT
Show how frequencies can be matched using Lissajous figures Read More
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H4-13: PLAYING IN JUST INTONATION
Show musical intervals in just intonation Read More
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H4-14: LISSAJOUS FIGURES - VOICE
Provide a Lissajous type display from a single vocal source Read More
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H4-16: TUNER - KORG
Demonstrate use of an electronic tuner Read More
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H4-17: AUDIOTAPE 16 MIN - MUSICAL TEMPERAMENT
Demonstrate use of an electronic tuner Read More
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H4-18: LISSAJOUS FIGURES WITH SOUND
Demonstrate use of an electronic tuner Read More
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H4-21: EDGE TONES
Illustrate edge tones and the factors that effect their sound Read More
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H4-22: BOTTLE BAND
Demonstrate how edge tones and Helmholtz resonators can be used to create a bottle band Read More
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H4-23: SOUND BOARD - TUNING FORK AND LECTURE TABLE
Demonstrate the effect of a sounding board Read More
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H4-31: VIOLIN
Demonstrate some acoustical features of the violin Read More
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H4-32: VIBRAPHONE
Illustrate how a vibraphone works Read More
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H4-33: ORGAN PIPE
Illustrate how an organ pipe works Read More
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H4-34: GUITAR AND OSCILLOSCOPE
Illustrate how a guitar works Read More
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H4-35: FRENCH HORN
Show what a French horn and other similar instruments, such as the French horn, look like Read More
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H4-36: LIP-BLOWN TUBE
Determine the frequencies and harmonic numbers of the resonances in a plastic tube blown like a trumpet Read More
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H4-37: FLEXIBLE TRUMPET
Demonstrate some acoustical features of the trumpet Read More
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H4-38: CORNET
Demonstrate the features of a cornet Read More
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H4-39: PLASTIC TUBE FLUTE
Show basic features of a very simple flute Read More
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H4-40: PLASTIC TUBE CLARINET
Demonstrate how the clarinet overblows at a musical twelfth Read More
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H4-41: DRUM
Demonstrate a pretty drum Read More
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H4-42 RECORDER
Can hear the sounds of a recorder Read More
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H4-43: UKELELE
Experiment with the increasingly-popular ukelele Read More
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H4-51: MODULATION - AM AND FM
Demonstrate AM and FM signal modulation as an introduction to vibrato and tremolo Read More
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H4-52: SPECTRUM ANALYSIS OF MODULATION
Compare and analyze the frequency spectra of various modulated sounds such as tremolo, vibrato, and beats Read More
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H4-53: MOOG ROGUE SYNTHESIZER
Illustrates a simple analog music synthesizer Read More
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H4-55: YAMAHA DX7S DIGITAL SYNTHESIZER
Demonstrate features of a modern digital synthesizer Read More
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H4-56: SYNTHESIZER INTRODUCTION - VOLTAGE CONTROL OF FREQUENCY
Illustrate a voltage-controlled frequency device Read More
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H4-58: MODULATION - AM RADIO
Show amplitude modulation in in AM radio signals Read More
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H4-64: DISTORTION IN AUDIO AMPLIFIER
Demonstrate distortion due to over-driving an audio amplifier Read More
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H4-65: CROSSOVER NETWORK FOR SPEAKERS
Demonstrate the operation af a crossover network. Read More
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H4-66: CROSSOVER NETWORK - LARGE ADVENT
Show circuit and components of a passive crossover network and how the crossover network functions Read More
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H4-67: CD WITH HOLE
See if a compact disc will play even if it has a small hole drilled through it Read More
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H4-68: MP3 COMPRESSION
Play and compare various MP3 compressions of a short musical CD excerpt Read More
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H4-71: AUDIOTAPE 20 MIN - ACOUSTICS FOR THE MUSIC EDUCATOR
Illustrate some principles of room acoustics as applied to music rehearsal rooms and concert halls Read More
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H4-81: AUDIO CART - COMPLETE AUDIO SYSTEM
Show the various components of a reasonably modern audio system Read More
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H4-91: COMPACT DISC - MULTIMEDIA SOUND
Demonstration of a number of audio effects and source of a variety of musical instrument and other sounds Read More
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H4-92: AUDIO RECORDING - DIGITAL DOMAIN DEMONSTRATION CD
Examples of early digital sound reproduction Read More
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