NOC:Fundamentals of Acoustics


Lecture 1 - Lesson 1 - Course Overview


Lecture 2 - Lesson 2 - Introduction


Lecture 3 - Lesson 3 - Nature Of Sound


Lecture 4 - Lesson 4 - The Decibel scale


Lecture 5 - Lesson 5 - Key Terms In Acoustics


Lecture 6 - Lesson 6 - Adding Decibels


Lecture 7 - Lesson 1 - Important Mathematical Concepts-Complex Algebra


Lecture 8 - Lesson 2 - Important Mathematical Concepts-Complex Time Signals


Lecture 9 - Lesson 3 - Important Mathematical Concepts-Transfer Function


Lecture 10 - Lesson 4 - Important Mathematical Concepts-Pole Zero Plot


Lecture 11 - Lesson 5 - Important Mathematical Concepts - Bode Plot For Simple Pole


Lecture 12 - Lesson 6 - Important Mathematical Concepts - Bode Plot For Simple Zero


Lecture 13 - Lesson 1 - Bode Plots (Magnitude) for Complex Transfer Functions


Lecture 14 - Lesson 2 - Momentum Equation for 1-D Sound Propagation


Lecture 15 - Lesson 3 - Continuity Equation for 1-D Sound Propagation


Lecture 16 - Lesson 4 - Gas Law for 1-D Sound Propagation


Lecture 17 - Lesson 5 - 1-D Wave Equation


Lecture 18 - Lesson 6 - Solution for 1-D Wave Equation


Lecture 19 - Lesson 1 - Waveguide


Lecture 20 - Lesson 2 - Transmission Line Equations - Part I


Lecture 21 - Lesson 3 - Transmission Line Equations - Part II


Lecture 22 - Lesson 4 - Transmission Line Equations - Part III


Lecture 23 - Lesson 5 - Transmission Line Equations - Part IV


Lecture 24 - Lesson 6 - Transmission Line Equations - Part V


Lecture 25 - Lesson 1 - Instantaneous Power


Lecture 26 - Lesson 2 - Instantaneous Power in a L-R Circuit


Lecture 27 - Lesson 3 - Power Factor, and Acoustic Power


Lecture 28 - Lesson 4 - Power Flow into an Infinitely Long Tube


Lecture 29 - Lesson 5 - Point Sources of Sound


Lecture 30 - Lesson 6 - Relations for Outward Travelling Spherical Acoustic Wave


Lecture 31 - Lesson 1 - Specific Acoustic Impedance for a Closed Tube


Lecture 32 - Lesson 2 - Specific Acoustic Impedance for an Open Tube and an Infinitely Long Tube


Lecture 33 - Lesson 3 - Specific Acoustic Impedance for a Tube with Imperfect Termination


Lecture 34 - Lesson 4 - Kundt’s Tube


Lecture 35 - Lesson 5 - Volume Velocity


Lecture 36 - Lesson 6 - Comparison of Impedances for a Radially Propagating Wave and a Planar Wave


Lecture 37 - Lesson 1 - Interference of sound sources - Part I


Lecture 38 - Lesson 2 - Interference of sound sources - Part II


Lecture 39 - Lesson 3 - Interference of sound sources - Part III


Lecture 40 - Lesson 4 - Interference of sound sources - Part IV


Lecture 41 - Lesson 5 - Directivity


Lecture 42 - Lesson 6 - Complex power, pressure and velocity for a spherical source


Lecture 43 - Lesson 1 - Noise reduction - Mass Attenuation Method


Lecture 44 - Lesson 2 - Noise Reduction - Pressure Ratio


Lecture 45 - Lesson 3 - Noise Reduction - Velocity of Wall


Lecture 46 - Lesson 4 - 3 Media Problem - Introduction


Lecture 47 - Lesson 5 - 3 Media Problem - Apply Boundary Conditions


Lecture 48 - Lesson 6 - 3 Media Problem - Special cases


Lecture 49 - Lesson 1 - Mufflers


Lecture 50 - Lesson 2 - Designing of Reactive Mufflers


Lecture 51 - Lesson 3 - Designing of Dissipative Mufflers


Lecture 52 - Lesson 4 - Time and Frequency Domain Representation of a Signal


Lecture 53 - Lesson 5 - Fourier Series


Lecture 54 - Lesson 6 - Fourier Series


Lecture 55 - Lesson 1 - Fourier Transform


Lecture 56 - Lesson 2 - Fourier Transform


Lecture 57 - Lesson 3 - Fourier Transform


Lecture 58 - Lesson 4 - Discrete Fourier Transform (DFT)


Lecture 59 - Lesson 5 - Discrete Fourier Transform (DFT)


Lecture 60 - Lesson 6 - Discrete Fourier Transform (DFT)


Lecture 61 - Lesson 1 - Measuring Sound Signals


Lecture 62 - Lesson 2 - Microphones


Lecture 63 - Lesson 3 - Microphones


Lecture 64 - Lesson 4 - Weighting


Lecture 65 - Lesson 5 - Loudness


Lecture 66 - Lesson 6 - Loudness


Lecture 67 - Lesson 1 - Octave Band Analysis - Part I


Lecture 68 - Lesson 2 - Octave Band Analysis – Part II


Lecture 69 - Lesson 3 - Octave Band Analysis – Part III


Lecture 70 - Lesson 4 - Reverberation Time


Lecture 71 - Lesson 5 - Calculation of Reverberation Time and Sound Transmission Class (STC)


Lecture 72 - Lesson 6 - Noise Reduction Coefficient (NRC)