And as stated before, or maybe not, the string produces lots of vibrational energy which is created by the energy of the hammer. It creates very little sound energy. The string does have the ability to transmit or transduce that energy to other vibrating things. Since energy is neither created nor destroyed, it only changes type, it is the vibrational energy that creates the energy in the sound board and not the sound energy. If you stop the bridge from vibrating, is the sound energy amplified? The thing that confuses people is that the frequency of the energy is the same for the sound energy of the string as well as the vibrational energy that drives the soundboard. The vibrational energy is contained in the steel wire and is a product of its tension, length and mass and how much energy moves it. Just because this vibrational energy produces a small amount of energy in the form of sound, coincidently the same frenquency as the sound produced by the board, it does not mean the sound energy you hear from the string is the energy that is creating the sound from the board. The sound energy created by the string, dissapates into the air, adding almost nothing to the overall sound and zero to the energy of the board. If the sound energy adds no energy to the board, then how can the sound be considered to be amplified by the board? As long as this post is, it's about time for Ric to jump in with pages of individual replies to every point made throughout the whole thing and really compost this topic. Keith Roberts -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/caut.php/attachments/20090510/02649fa0/attachment-0001.htm>
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