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2.2 FACTORS AFFECTING PROPAGATION OF SOUND There are several important factors, which affect the propagation of sound: geometric spreading, atmospheric effects, and surface effects. These are discussed separately below. 2.2.1 Geometric Spreading This refers to the spreading of sound energy as a result of the expansion of the wave fronts.
Does temperature affect the sound of a musical instrument? Chris Rogers, a professor of mechanical engineering at Tufts University, and Jesse Jones, a musical instrument engineer, explain. Temperature can affect the sound of an instrument in a variety of ways, which are different for each instrument. It also influences the abilities of a player. In the case of the violin, for example, warmer weather changes the amount of friction between the bow and the strings, changing the way the bow pulls on each string.