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Physics behind musical instruments
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The acoustic guitar is the the most played instrument in the music world. Though, the guitar looks like a simple instrument to play there are a lot of physics regarding sound behind the creation of it, from the strings to the air inside, the anatomy, and the sound spectrum. Acoustic guitars are subtle and melodious but what makes it sound irresistibly good are the physics behind the instrument itself. Physics plays a huge part in acoustic guitars in many ways, including the structure of the guitar, the effect the physical structure has on sound, wavelengths, mathematical insight about guitars, and research that has been done to improve the sound.
The modern acoustic guitar is the descendent of stringed instruments dating back from some
Sound travels in the shape of a wave. There are two types of sound waves, longitudinal and transverse [9]. Longitudinal waves travel parallel to the source of the wave and transverse waves travel perpendicular to the source of the wave. Sound is produced from vibrations through a medium, and travels in the form of longitudinal waves [10]. Pitch is the general perception of the highness or lowness of a sound which depends on the frequency complexity, and loudness of the sound [11]; on the other hand, in music pitch related to notes that are being played. The vibrations caused from a disturbance such as a vibrating string create areas of compression and rarefaction of the molecules in the medium that the vibrations are traveling through. Sound is only produced when these vibrations are traveling through a medium. An observer is able to hear sounds because these areas of compression and rarefaction are picked up by the observer's ears, and translated to the brain from longitudinal sound waves. Figure 5 [12] (middle-left) shows the areas of compression and rarefaction in the air in a hollow tube caused by the vibrations from a tuning fork. Compressions are areas of with a high density of molecules; whilst, rarefactions are areas with a low density of
The purpose of this experiment was to determine whether if the sound is affected when it travels through different length pipes. The method used to do this experiment was created by using 5 different PVC pipes in the lengths of 10, 20, 30, 40, and 50 centimeters. Then, using a tuning fork, sound will be produced on one end of the PVC pipe and measured with a decimeter on the other end. This experiment was recorded using 5 trials for each independent level and the average decibels (dB) for each pipe length were recorded.
The theremin is an electronic musical instrument that is played using electrical fields. When it was first introduced, people were shocked to see this instrument that could be played without even touching it. The theremin unsually is tuned so that it has a range of three and a half octaves. The theremin's operation is based on the theory of beat frequencies. Two antennas stick out on each side. Usually a vertical antenna is located on the right which controls the pitch. The closer the players hand is, the higher the pitch. A horizontal loop antenna is located on the left and controls the volume. The closer the hand is, the louder the volume.
The inner workings of the turntable may seem complex at first but after reading this paper it should become clear that, like all things, the record player works on basic principals of physics. In fact, the turntable is remarkable in that the basic physical principles behind it are quite simple. Some of these will be explored here. Please enjoy your visit.
Wolfe, Joe. "How Do Woodwind Instruments Work?." Music Acoustics. 1994. 2014. Web. April 13, 2014. .
Aptly named the Rock & Roll Generation, the 1950's saw the birth and rise to prominence of rock-n-roll and rockabilly (an early style of rock-n-roll). However, this musical revolution would never have been possible without the invention of the electric guitar by Les Paul in 1952 (1). The solid-body electric guitar produced a distinct sound unlike any other instrument during that time; as a result, it was this unique sound that rock-n-roll music developed its entire foundation upon. Today, Les Paul’s guitar (now owned by the popular guitar company Gibson) remains one of the most famous electric guitars not just in the America, but also in the world, along with the Fender Stratocaster and Telecaster. With the advent of the electric guitar, Carl Perkins was a pioneer in the establishment of rock music, and his particular ...
Everything in the universe involves some type of physics. Even the universe itself does, but have you ever wondered about the physics of simpler items? Physics is vital for all musical instruments, if it wasn’t; they probably wouldn’t produce the beautiful sounds that they do. One of these instruments is acoustic guitar. By looking at the instrument, it doesn’t look very complicated, but if you delve deeper into its composition, you’ll find that it’s very complicated. Physics takes part in the making of acoustic guitars, all the way to how it produces its beautiful music.
Important parts of the guitar that you will need to know about: the bridge located underneath the sound hole, the neck of the guitar is located where the strings lie it is made up of frets (this is the majority of where you place your fingers while playing), and the head where the tuning posts (tuners) are located.
The guitar is a musical instrument that is played by the plucking or strumming of its strings. According to the records, this instrument was invented in Spain in the 15th century. The guitar’s appearance has changed since then. The body of the guitar was narrower than what it is now. Guitars were considered “lutes” at the time. In which lutes formed to be vihuelas then later became guitars. When the guitar was first invented, it only had four-strings so it was called a four-course guitar. However, it has a variety course of strings now. The guitar is one of the instruments that has a major role in music, today. The genres of music that
Ultrasound is sound waves that have a frequency above human audible. (Ultrasound Physics and Instrument 111). With a shorter wavelength than audible sound, these waves can be directed into a narrow beam that is used in imaging soft tissues. As with audible sound waves, ultrasound waves must have a medium in which to travel and are subject to interference. In addition, much like light rays, they can be reflected, refracted, and focused.
The electric guitar has greatly impacted how music was played in the past, the present, or the future. Players can be creative and achieve a great sound from the wide variety of guitars, pickups, pedals, or amps. Whatever type of music you enjoy, everyone should appreciate the importance of the electric guitar.
Sounds are produced by the vibrations of material objects, and travel as a result of
"The Physics of the Acoustic Guitar - Body." The Physics of the Acoustic Guitar - Body. N.p., n.d. Web. 26 May 2014. .
Wendkos, Zach. “The Evolution of the Electric Guitar”. 21 May 2010. Web. 30 Apr. 2014.
Each of the senses receives a different stimulus that allows us to perceive that specific type of information. For hearing the stimulus is sound waves. These are waves of pressure that are conducted through a medium (Martini, 2009). Often this medium is air but it can also be water or a solid object. Each wave consists of a region where the air molecules are gathered together and an opposite region where they are farther apart (Martini, 2009). A wavelength is the distance between either two wave peaks or two wave troughs. The number of waves that pass through a fixed reference point in a given time is the frequency. High pitch sounds have a high frequency where as low pitch sounds have a low frequency (Myers, 2010). The amplitude is the amount of energy, or intensity, in a sound wave. The more energy that a sound wave has, the louder it seems. For us to perceive any of the sound waves around us, they must pass through the external, middle, and inner ea...
Produced sound from speakers has become so common and integrated in our daily lives it is often taken for granted. Living with inventions such as televisions, phones and radios, chances are you rarely ever have days with nothing but natural sounds. Yet, few people know the physics involved in the technology that allows us to listen to music in our living room although the band is miles away. This article will investigate and explain the physics and mechanism behind loudspeakers – both electromagnetic and electrostatic.