Musical Instrument Blog #1- S.Kabanga

Posted by Samuel Kabangai in Physics - Echols on



http://www.youtube.com/watch?v=MphdRo5_7Us
http://en.wikipedia.org/wiki/File:Violinconsruction3.JPG

I am interested in playing the violent, to me its a very interesting instrument and its beautiful to me.  I am interested in learning the physics behind the instrument and i want to make my own violin after i research about the instrument.

The video is above is a video that shows people playing the violin. The use little guitar shaped instruments and use a stick with a soft edge that the rub against the strings of the instruments to produce the sound. They notes are changed by using your hands to make different keys like a guitar and also where and how the “stick” is moved. The violin is shaped like a mini guitar with more curves and cuts. The instrument looks beautiful and sounds beautiful.
When i look at the instrument i think if the curves and the way its shaped have anything to do with the sound, and i also think about why it has to be healed a certain way between the neck, why couldn't it be held like a guitar, and also does the length of the stick matter?

BLOG #2
Instrument- Trumpet
1. How is sound produced by this instrument (now that you know more about sound, please try to refer specifically to the energy transfer and vibrations)?
- The player makes a buzzing sound with his lips into the mouth piece, this sound travels through the horn.


2. Based on your understanding, how are you changing the pitch? What physical characteristics are important in this instrument?
 -The pitch can be changed by pressing different combinations of valves.


3. What materials will you actually be using for your instrument and why? How will you play your instrument? What is your plan for constructing the instrument?
-  pipe, because when you blow air in it it creates a sound that can be changed and controlled.

4. What outstanding questions do you still have?
What can i use to control the different pitch that a trumpet make on a pipe??

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