Acoustics
H6-21: BIRD CALLS - AUDIOTAPE, SLIDES, AND SPECTROGRAMS
Category: H6 The Voice
Purpose:
Correlate the sounds of bird songs with their audio spectrograms.
H6-16: COMPACT DISC - COALESCENCE
Category: H6 The Voice
Purpose:
Illustrate manipulation of vocal formants and harmonics in the voice.
H6-15: AUDIOTAPE 5 MIN - VOCAL FORMANTS
Category: H6 The Voice
Purpose:
Illustrate vocal formants in the singing voice.
H6-14: AUDIOTAPE 5 MIN - SYNTHETIC SPEECH
Category: H6 The Voice
Purpose:
Illustrate development of speech patterns.
H6-13: COMPACT DISC - HUUN-HUUR-TU
Category: H6 The Voice
Purpose:
Illustrate manipulation of vocal formants and harmonics in the voice.
H6-12: AUDIOTAPE 60 MIN - THE HARMONIC CHOIR
Category: H6 The Voice
Purpose:
Illustrate manipulation of vocal formants and harmonics in the voice.
H6-11: AUDIOTAPE 60 MIN - MUSIC OF TIBET
Category: H6 The Voice
Purpose:
Illustrate manipulation of vocal formants.
H6-04: HELIUM VOICE
Category: H6 The Voice
Purpose:
Demonstrate the rise in frequency of vocal formants due to the increase in the speed of sound in a light gas.
H6-02: VOCAL FORMANTS
Category: H6 The Voice
Purpose:
Demonstrate the formant structure of different vocal sounds.
H6-01: FOURIER ANALYSIS OF VOICE
Category: H6 The Voice
Purpose:
Determine the Fourier spectrum of various steady-state spoken and sung vocal (vowel) sounds.
H4-96: ELECTRONIC MUSIC WITH SPECTROGRAM
Category: H4 Music
Purpose:
Show spectrograms of electronic music
H4-94: AUDIOTAPE - VOICE OF THE COMPUTER
Category: H4 Music
Purpose:
First full recording of computer-generated music, including the original Shepard's tones.
H4-92: AUDIO RECORDING - DIGITAL DOMAIN DEMONSTRATION CD
Category: H4 Music
Purpose:
Examples of early digital sound reproduction.
H4-91: COMPACT DISC - MULTIMEDIA SOUND
Category: H4 Music
Purpose:
Demonstration of a number of audio effects and source of a variety of musical instrument and other sounds.
H4-71: AUDIOTAPE 20 MIN - ACOUSTICS FOR THE MUSIC EDUCATOR
Category: H4 Music
Purpose:
Illustrate some principles of room acoustics as applied to music rehearsal rooms and concert halls.
H4-58: MODULATION - AM RADIO
Category: H4 Music
Purpose:
Show amplitude modulation in in AM radio signals.
H4-52: SPECTRUM ANALYSIS OF MODULATION
Category: H4 Music
Purpose:
Compare and analyze the frequency spectra of various modulated sounds such as tremolo, vibrato, and beats.
H4-51: MODULATION - AM AND FM
Category: H4 Music
Purpose:
Demonstrate AM and FM signal modulation as an introduction to vibrato and tremolo.
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H1-01 BELL IN VACUUM
Demonstrates sound wave requirement for a medium
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H1-02 SPEAKER AND CANDLE
Demonstrates longitudinal behavior of sound waves
Read More
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H1-03: BELLS
Use bells as a sound source Read More
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H1-04: BELL IN VACUUM - PORTABLE
Small version of the standard bell in vacuum demonstration Read More
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H1-11: MICROPHONE AND OSCILLOSCOPE
Show the wave shape of various sounds Read More
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H1-12: VISIBLE WAVEFORMS ON LARGE SPEAKER
Show the loudspeaker motion produced by waves of various shapes Read More
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H1-13 WAVEFORM GENERATOR, SPEAKER AND OSCILLOSCOPE
Demonstrates waveform and sound of standard waves
Read More
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H1-21: SPEED OF SOUND - PHASE CHANGE
Determine the speed of sound Read More
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H1-22: SPEED OF SOUND - USING PULSES
Determine the speed of sound in air Read More
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H1-24: SPEED OF SOUND IN HELIUM
Determine the speed of sound as a function of gas density Read More
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H1-25: SPEED OF SOUND BETWEEN TWO MICROPHONES
Measure the speed of sound by determining the travel time of a pulse between two microphones Read More
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H1-26: SPEED OF SOUND IN GARDEN HOSE
Direct measurement of the speed of sound in air Read More
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H1-27: SPEED OF SOUND - LISSAJOUS FIGURES
Measurement of the speed of sound in air using Lissajous figures Read More
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H1-31: SOUND LEVEL METER
Demonstrate use of a sound level meter Read More
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H1-32: WAVETEK AND AUDIO CART - EQUAL SOUND LEVEL STEPS
Illustrate the effect on the ear of successive changes of exactly 10 dB Read More
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H1-41: ULTRASONIC MOTION DETECTOR
Demonstrate how an ultrasonic motion detector works Read More
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H1-43: ULTRASONICS AND HEARING
Demonstrate that there exist ultrasonic waves with frequencies above the range of human hearing Read More
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H1-44: ULTRASONIC MOTION DETECTOR WAVE FORM
Show the wave form of the ultrasonic signal created by the ultrasonic motion detector Read More
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H1-51: AUDIOTAPE 42 MIN - SCIENCE OF SOUND - SHORT VERSION
Illustrate various audio phenomena Read More
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H1-52: AUDIOTAPE 82 MIN - SCIENCE OF SOUND - LONG VERSION
Illustrate various audio phenomena Read More
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H1-53: AUDIOTAPE 8 MIN - WOMB SOUNDS
Hear heartbeats Read More
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