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Created with Fabric.js 1.4.5 By: Noor Tahir Basic Information:Instruments related to the guitar:veena, banjo, ukulele, lute, harp, mandolin, oud, and sitar Famous acoustic guitarists:Robert Johnson, John Hammond, and Brownie McGhee Acoustic Guitar The guitar is in the lute family and are made up of nylon or steel strings to get a better sound,the top plate is made up of either spruce or cedar trees yo make it vibrate more, and the sides and back are made up of Brazilian Rosewood. They use these items because it makes the guitar really light and since these woods are light but with a tight grain, they enhance the capacity of the top plate to vibrate and serve as a sound source that is much more efficient than the strings themselves. The pitch is determined by the length, mass and tension of the strings. The produced frequencies are resonant frequencies of the strings,which depend inversely on the length.The mass and tension together determine the speed of the wave in the string. Since it is desirable to have about the same tension in each of the strings to keep from putting any distorting torque on the instrument, a matched set of strings will have carefully adjusted masses so that the strings are tuned to the correct intervals when the tensions are the same. To make the sound louder, a person could put a miny electric amplifier or they could pluck or stroke the strings faster or harder double click to changethis text! Drag a cornerto scale proportionally. Pitch(Extra) Sound Waves Sources To hear the effect of this resonance is to play the open A string while slipping a piece of paper or cardboard back and forth across the soundhole. Because this stops the resonance or shifts it to a lower frequency, you will notice the loss of bass response when you close the hole. The coupled resonance of the front and back plates produces a resonance about an octave above the main air resonance. "Musical Instrument Acoustics." Musical Instrument Acoustics. R Nave, n.d. Web. 11 Feb. 2015.""'s Top 50 Acoustic Guitarists of All Time #10-1. N.p., n.d. Web. 11 Feb. 2015. "Musical Instrument Acoustics." Musical Instrument Acoustics. R Nave, n.d. Web. 11 Feb. 2015. "String Instrument." Wikipedia. Wikimedia Foundation, 4 Feb. 2015. Web. 11 Feb. 2015. The bridge transfers the vibrational energy of the strings to the top plate of the instrument - the strings alone can't effectively move air to produce sound, but the vibrating top plate can do that quite efficiently. The guitar is hollow for a reason and thereis a reason for there being a hole in the guitar is that the sound is louder when there is a exit point and the guitar is hollow becausetheir is more sound waves when the item is hollow.
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