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Intro to Acoustics (Part 1)

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  • Introduction
    • The description goes here
  • Vibration and Waves
    • You will going to learn basic concepts of vibration and waves for this week. From the vibration of string, you will be able to derive one dimensional wave equation. Then it will be explained with the concept of 'Impedance.'
  • Acoustic Wave Equation
    • Earlier part of this week, you will learn three fundamental physical measures that explain one dimensional wave equation. After that, you will briefly learn about basic concepts of acoustic intensity and energy.
  • Acoustic Wave Equation and its Basic Physical Measures
    • On this week, you will learn deeply into acoustic intensity and energy. Then you will get the concept of units of sound, or dB scale with listening to various sound. At the end, you will be able to derive the solutions of the wave equation.
  • Waves on a Flat Surface of Discontinuity 1
    • You will now learn when the waves meet on a flat surface of discontinuity. It will be explained with the mass law of wave phenomena.
  • Waves on a Flat Surface of Discontinuity 2
    • You will going to learn more about the waves on a discontinuity. With the Snell's Law, you will be able to find out the wave propagation after transmission and reflection on discontinuity.