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.
-
H2-01: FOCUSING OF SOUND WITH CONCAVE REFLECTORS
Demonstrate how sound waves can be focused by concave reflectors. Read More
-
H2-02: PARABOLIC MICROPHONE
Show what a parabolic microphone is and to demonstrate its sensitivity individually. Read More
-
H2-03: ACOUSTIC RADAR
Illustrate how RADAR and SONAR work Read More
-
H2-11: SOUND LENS
Demonstrate focusing of sound by refraction in a sound lens Read More
-
H2-21 AUDIBLE YOUNG'S EXPERIMENT - GROUP LISTENING
Demonstrates interference of sound waves with two coherent sources
Read More
-
H2-22: INTERFERENCE - TRANSPARENCIES
An optical analog to the interference pattern from two identical sound sources. Read More
-
H2-24: AUDIBLE YOUNG'S EXPERIMENT - MIC AND SCOPE
Demonstrate interference of sound with two coherent sound sources in a quantitative way. Read More
-
H2-25: QUINCKE'S INTERFERENCE TUBES
Demonstrate interference of sound waves in a perhaps surprising way. Read More
-
H2-26: PHASE REVERSAL BETWEEN STEREO SPEAKERS - MUSIC
Demonstrate interference of sound in a dramatic way. Read More
-
H2-27: PHASE REVERSAL BETWEEN STEREO SPEAKERS - OSCILLATOR
Dramatically demonstrate interference between two identical sources. Read More
-
H2-28: FOURIER SYNTHESIZER - ADDITION OF WAVES
Demonstrate addition of two sine waves with variable phase difference. Read More
-
H2-31: ACOUSTIC COLLIMATOR
Demonstrate the effect of frequency on diffraction of sound. Read More
-
H2-32: SPEAKER WITH BAFFLE
Demonstrates diffraction and interference of sound waves
Read More
-
H2-33: SPEAKER AND EXPONENTIAL HORN
Demonstrate the effect of an exponential horn enclosure. Read More
-
H2-41 DOPPLER BALL
Demonstrates Doppler effect
Read More
-
H2-42 DOPPLER EFFECT - TUNING FORK ON STRING
Demonstrates Doppler effect
Read More
-
H2-51 BEATS - AUDIO OSCILLATORS, SPEAKER & OSCILLOSCOPE
Hear audio beats and see their wave forms on an oscilloscope
Read More
-
H2-52: BEATS AND RESONANCE - TUNING BARS
Demonstrate beats, and to demonstrate resonance between two identical tuning bar resonators. Read More
-
H2-53 BEATS - AUDIO OSCILLATORS AND SPEAKERS
Hear beats
Read More
-
H2-54: BEATS - MOIRE PATTERN MODEL
Model for beats between mistuned audio oscillators. Read More
-
H2-55: BEATS AND RESONANCE - TUNING BOXES
Illustrate beats and resonance. Read More
- 1