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This program calculates the stiffness and sound velocity of the material using the three resonant frequencies of the violin material.

This is a description of how to measure the speed of sound of a material using only earphones and a computer without a Lucchi meter.

This is a short introductory video on how to compare two sounds.

Learn how to determine the pitch (frequency) of each note and how to set up the smartphone tuner app for precise tuning.