Doppler Effect Animated

A previous post described the Doppler effect in a simplified manner as it relates to movement and sound waves.  This post expands on this somewhat by providing a series of Doppler effect animated images to clarify the role of a moving object and its impact on the sound.  It has been said that a picture…

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Sound Quantification II

This post continues a series on the origins  of initial sound quantification.  Last week’s post related to how the speed of sound was measured.  This week continues with frequency analysis and amplitude. Frequency Analysis of Sound The Italian scientist Galileo (1564-1642) pulled a knife blade across the serrated edge of a coin and noted the…

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