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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Trimming the Sails: Part IV

Part IV of “Trimming the Sails” by Dr. Christopher Schweitzer is the last post in this series that discusses why hearing aid market penetration fails to meet desired goals.  Dr. Schweitzer is Director of HEAR 4-U International; Chief of Auditory Sciences at Able Planet, Inc.; and Senior Audiologist, Family Hearing Centers in Colorado.            …

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