Learn · Fundamentals of Acoustics
Lecture 55 of 72Week 10: Reverb time and FFT
Lesson 1:Fourier Transform
Prof. Nachiketa Tiwari · IIT Kanpur
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- Fundamentals of Acoustics, IIT Kanpur (at NPTEL)
- Licence
- CC BY-NC-SA, as NPTEL states it. Non-commercial use only.
- Attribution
- NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge.
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All the lectures
- Lesson 1: Course Overview
- Lesson 2: Introduction
- Lesson 3: Nature Of Sound
- Lecture 4: The Decibel scale
- Lesson 5: Key Terms In Acoustics
- Lesson 6: Adding Decibels
- Lesson 1: Important Mathematical Concepts-Complex Algebra
- Lesson 2: Important Mathematical Concepts-Complex Time Signals
- Lesson 3: Important Mathematical Concepts-Transfer Function
- Lesson 4: Important Mathematical Concepts-Pole Zero Plot
- Lesson 5: Important Mathematical Concepts - Bode Plot For Simple Pole
- Lesson 6: Important Mathematical Concepts - Bode Plot For Simple Zero
- Lesson 1: Bode Plots (Magnitude) for Complex Transfer Functions
- Lesson 2: Momentum Equation for 1-D Sound Propagation
- Lesson 3: Continuity Equation for 1-D Sound Propagation
- Lesson 4: Gas Law for 1-D Sound Propagation
- Lesson 5: 1-D Wave Equation
- Lesson 6: Solution for 1-D Wave Equation
- Lesson 1: Waveguide
- Lesson 2: Transmission Line Equations -Part I
- Lesson 3: Transmission Line Equations - Part II
- Lesson 4: Transmission Line Equations - Part III
- Lesson 5: Transmission Line Equations - Part IV
- Lesson 6: Transmission Line Equations - Part V
- Lesson 1: Instantaneous Power
- Lesson 2: Instantaneous Power in a L-R Circuit
- Lesson 3: Power Factor, and Acoustic Power
- Lesson 4: Power Flow into an Infinitely Long Tube
- Lesson 5: Point Sources of Sound
- Lesson 6: Relations for Outward Travelling Spherical Acoustic Wave
- Lesson 1: Specific Acoustic Impedance for a Closed Tube
- Lesson 2: Specific Acoustic Impedance for an Open Tube and an Infinitely Long Tube
- Lesson 3: Specific Acoustic Impedance for a Tube with Imperfect Termination
- Lesson 4: Kundt’s Tube
- Lesson 5: Volume Velocity
- Lesson 6: Comparison of Impedances for a Radially Propagating Wave and a Planar Wave
- Lesson 1: Interference of sound sources- part I
- Lesson 2: Interference of sound sources- part II
- Lesson 3: Interference of sound sources- part III
- Lesson 4: Interference of sound sources- part IV
- Lesson 5: Directivity
- Lesson 6: Complex power, pressure and velocity for a spherical source
- Lesson 1: Noise reduction - Mass Attenuation Method
- Lesson 2: Noise Reduction - Pressure Ratio
- Lesson 3: Noise Reduction - Velocity of Wall
- Lesson 4: 3 Media Problem - Introduction
- Lesson 5: 3 Media Problem - Apply Boundary Conditions
- Lesson 6: 3 Media Problem - Special cases
- Lesson 1:Mufflers
- Lesson 2:Designing of Reactive Mufflers
- Lesson 3:Designing of Dissipative Mufflers
- Lesson 4:Time and Frequency Domain Representation of a Signal
- Lesson 5:Fourier Series
- Lesson 6:Fourier Series
- Lesson 1:Fourier Transform
- Lesson 2:Fourier Transform
- Lesson 3:Fourier Transform
- Lesson 4:Discrete Fourier Transform (DFT)
- Lesson 5:Discrete Fourier Transform (DFT)
- Lesson 6:Discrete Fourier Transform (DFT)
- Lesson 1: Measuring Sound Signals
- Lesson 2:Microphones
- Lesson 3:Microphones
- Lesson 4:Weighting
- Lesson 5: Loudness
- Lesson 6:Loudness
- Lesson 1: Octave Band Analysis - Part I
- Lesson 2: Octave Band Analysis – Part II
- Lesson 3: Octave Band Analysis – Part III
- Lesson 4: Reverberation Time
- Lesson 5: Calculation of Reverberation Time and Sound Transmission Class (STC)
- Lesson 6: Noise Reduction Coefficient (NRC)