Learning About Sound
- 1974
- 16m
This film presents the basics of sound beginning with its source - vibrations emitting sound waves. The film visualizes the sound waves with an oscilloscope showing amplitude and frequency. ... Read allThis film presents the basics of sound beginning with its source - vibrations emitting sound waves. The film visualizes the sound waves with an oscilloscope showing amplitude and frequency. Tapping on a stretch of steel rail, the film compares the speed sound travels in solid ste... Read allThis film presents the basics of sound beginning with its source - vibrations emitting sound waves. The film visualizes the sound waves with an oscilloscope showing amplitude and frequency. Tapping on a stretch of steel rail, the film compares the speed sound travels in solid steel to the speed of sounds in air. Scenes explore both electronically synthesized musical s... Read all