PSYC56H3 Lecture Notes - Cochlea, Simple Harmonic Motion, Cor Anglais
Document Summary
All sounds are a result of a number of interesting and interacting processes. Sounds begin with the vibration of an object. Blowing through a mouth piece, expelling air through the vocal cords, pulling a string are all examples of producing a sound. The air vibrating within a tube or the vibrating string must transfer its sound energy to a medium, some sound body. This sound body amplifies vibrations and transfers the vibrations to the air. The air picks up these vibrations and the air moves vibrations, which is passed to our ear. This is the process through which all sound occurs. We can take any vibration and analyze vibration into component vibrations, each component vibration moves independently. The force that acts on that is proportional to the distance that we moved that object from its resting point. The distance is called the displacement, and this is how we produce most of the vibrating systems we are interested in.
