Fundamentals of Acoustics. Instructor: Prof. Nachiketa Tiwari, Department of Mechanical Engineering, IIT Kanpur.

FREE
This course includes
Hours of videos

1999 years, 9 months

Units & Quizzes

72

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Certificate of Completion

This course provides the basics of acoustics, and covers topics in the field: the nature of sound, sound terminology, overview of some important mathematical concepts like complex algebra and complex time signals, wave equation, sound propagation in a tube, acoustic power, spherical waves, interference of sound sources, noise reduction by mass attenuation, designing mufflers, Fourier series and (Fast) Fourier Transforms, microphones, weighting, loudness, octave band analysis, reverberation time, sound transmission class, and noise reduction coefficient. (from nptel.ac.in)

Course Currilcum

    • Lecture 01 – Course Overview Unlimited
    • Lecture 02 – Introduction Unlimited
    • Lecture 03 – Nature of Sound Unlimited
    • Lecture 04 – The Decibel Scale Unlimited
    • Lecture 05 – Key Terms in Acoustics Unlimited
    • Lecture 06 – Adding Decibels Unlimited
    • Lecture 07 – Important Mathematical Concepts – Complex Algebra Unlimited
    • Lecture 08 – Important Mathematical Concepts – Complex Time Signals Unlimited
    • Lecture 09 – Important Mathematical Concepts – Transfer Function Unlimited
    • Lecture 10 – Important Mathematical Concepts – Pole Zero Plot Unlimited
    • Lecture 11 – Important Mathematical Concepts – Bode Plot for Simple Pole Unlimited
    • Lecture 12 – Important Mathematical Concepts – Bode Plot for Simple Zero Unlimited
    • Lecture 13 – Bode Plots (Magnitude) for Complex Transfer Functions Unlimited
    • Lecture 14 – Momentum Equation for 1-D Sound Propagation Unlimited
    • Lecture 15 – Continuity Equation for 1-D Sound Propagation Unlimited
    • Lecture 16 – Gas Law for 1-D Sound Propagation Unlimited
    • Lecture 17 – 1-D Sound Wave Equation Unlimited
    • Lecture 18 – Solution for 1-D Sound Wave Equation Unlimited
    • Lecture 19 – Waveguide Unlimited
    • Lecture 20 – Sound Propagation in a Semi-Infinite Tube Unlimited
    • Lecture 21 – Transmission Line Equations for Pressure and Velocity Unlimited
    • Lecture 22 – Sound Propagation in a Closed Tube Unlimited
    • Lecture 23 – Sound Propagation in Closed Tubes Unlimited
    • Lecture 24 – Sound Propagation in a Open Tube Unlimited
    • Lecture 25 – Instantaneous Power Unlimited
    • Lecture 26 – Instantaneous Power in a L-R Circuit Unlimited
    • Lecture 27 – Power Factor, and Acoustic Power Unlimited
    • Lecture 28 – Power Flow into an Infinitely Long Tube Unlimited
    • Lecture 29 – Point Sources of Sound Unlimited
    • Lecture 30 – Relations for Outward Travelling Spherical Acoustic Wave Unlimited
    • Lecture 31 – Specific Acoustic Impedance for a Closed Tube Unlimited
    • Lecture 32 – Specific Acoustic Impedance for an Open Tube and an Infinitely Long Tube Unlimited
    • Lecture 33 – Specific Acoustic Impedance for a Tube with Imperfect Termination Unlimited
    • Lecture 34 – Kundt’s Tube Unlimited
    • Lecture 35 – Volume Velocity Unlimited
    • Lecture 36 – Comparison of Impedances for a Radially Propagating Wave and a Planar Wave Unlimited
    • Lecture 37 – Interference of Two Sound Sources Unlimited
    • Lecture 38 – Interference of Two Sound Sources with Zero Phase Difference Unlimited
    • Lecture 39 – Interference of Four Sound Sources with Zero Phase Difference Unlimited
    • Lecture 40 – Interference of n-Sound Sources with Zero Phase Difference Unlimited
    • Lecture 41 – Directivity Pattern, Directivity Factor, Directivity Index Unlimited
    • Lecture 42 – Complex Power, Pressure and Velocity for a Spherical Source Unlimited
    • Lecture 43 – Noise Reduction by Mass Attenuation Unlimited
    • Lecture 44 – Noise Reduction – Pressure Ratio Unlimited
    • Lecture 45 – Noise Reduction – Velocity of Wall Unlimited
    • Lecture 46 – 3 Media Problem – Introduction Unlimited
    • Lecture 47 – 3 Media Problem – Applying Boundary Conditions Unlimited
    • Lecture 48 – 3 Media Problem – Special Cases Unlimited
    • Lecture 49 – Mufflers Unlimited
    • Lecture 50 – Designing of Reactive Mufflers Unlimited
    • Lecture 51 – Designing of Dissipative Mufflers Unlimited
    • Lecture 52 – Time and Frequency Domain Representation of a Signal Unlimited
    • Lecture 53 – Fourier Series Unlimited
    • Lecture 54 – Fourier Series (cont.) Unlimited
    • Lecture 55 – Fourier Transform Unlimited
    • Lecture 56 – Fourier Transform (cont.) Unlimited
    • Lecture 57 – Fourier Transform (cont.) Unlimited
    • Lecture 58 – Discrete Fourier Transform (DFT) Unlimited
    • Lecture 59 – Discrete Fourier Transform (cont.) Unlimited
    • Lecture 60 – Discrete Fourier Transform (cont.) Unlimited
    • Lecture 61 – Measuring Sound Signals Unlimited
    • Lecture 62 – Microphones Unlimited
    • Lecture 63 – Classification of Microphones based on Application Unlimited
    • Lecture 64 – Weighting Unlimited
    • Lecture 65 – Loudness Unlimited
    • Lecture 66 – Loudness (cont.) Unlimited
    • Lecture 67 – Octave Band Analysis, Part I Unlimited
    • Lecture 68 – Octave Band Analysis, Part II Unlimited
    • Lecture 69 – Octave Band Analysis: Plotting Octave Band Plots Unlimited
    • Lecture 70 – Reverberation Time Unlimited
    • Lecture 71 – Calculation of Reverberation Time and Sound Transmission Class (STC) Unlimited
    • Lecture 72 – Noise Reduction Coefficient (NRC) Unlimited