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NOC:Basics of Noise and Its Me..
Lecture# 7
'Modeling Sound Propagation' Video Lecture
Modeling Sound Propagation
Course
:
NOC:Basics of Noise and Its Measurements
Discipline
:
Mechanical Engineering
Faculty
: Prof. Nachiketa Tiwari
Institute
:
IIT Kanpur
Modeling Sound Propagation
- Browse through
NOC:Basics of Noise and Its Measurements (Mechanical Engineering)
Video Lectures by
Prof. Nachiketa Tiwari
from
IIT Kanpur
through NPTEL.
Course
:
NOC:Basics of Noise and Its Measurements
Discipline
:
Mechanical Engineering
Faculty
: Prof. Nachiketa Tiwari
Institute
:
IIT Kanpur
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The Momentum Equation
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Course Video Lectures
Introduction
Vibration versus Waves
Nature of Sound
The Decibel Scale
Some Key Terms
Adding Decibels
Modeling Sound Propagation
The Momentum Equation
The Continuity Equation & The Gas Law
1-D Wave Equation
General Solution for 1-D Wave Equation
Complex Time Signal & Transfer Functions
Transmission line equations
Planar Waves in Closed Tubes
Planar Waves in 1-D Open Tubes
A Semi-Infinite Tube and Overall Summary
1-D Tubes with Imperfect Terminations
Measuring Impedance Through Kundts Apparatu..
Classification of Microphones
Classification of Microphones- Continuation
Classification of Microphones by Application
Microphone Sensitivity
Microphone Sensitivity- Continuation
Selecting the Right Microphone
Fourier Series Expansion
Fourier Series Expansion - Continuation
Fourier Integral
Fourier Integral - Continuation
Fourier Transform
Fourier Transform - Continuation
Discrete Fourier Transform (DFT)
Discrete Fourier Transform (DFT)- Continuatio..
DFT: Calculating Frequencies and Padding
DFT: Influence of Duration and Sampling freq..
FFT and Inverse FFT
Considerations while deciding instrumentation
Considerations while selecting instruments fo..
Measuring impedance through two microphone me..
Designing an impedance measurement tube
Octave band analysis
Calculating results in octave bands
Weighting
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