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EE-548: Audio engineering

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Lectures in this course (88)

Absorbing Materials: Porous Layers and Panel Absorbers

Explores the absorption of sound by porous layers and panel absorbers, as well as the impact of audience and furniture on sound absorption.

Reverberated Level: Sound Intensity and Energy Conservation

Explains energy conservation in sound waves and the calculation of sound intensity and reverberated level in a diffuse field.

Sound Field Reconstruction at Low Frequencies

Explores sound field reconstruction at low frequencies in rooms, emphasizing room modes, modal decomposition, and numerical validation.

Room Acoustics: Resonance Frequencies and Modal Decay Time

Explores resonance frequencies, transfer functions, and modal decay times in room acoustics.

Electroacoustic Analogies

Covers electroacoustic analogies, acoustic systems representation, and acoustic losses principles.

Electrical-mechanical analogies

Explores analogies between mechanical, acoustical, and electrical systems, focusing on representing mechanical phenomena with analogue electrical schemes.

Analogues Electrical Schemes of Simple Mechanical Systems

Covers electroacoustic analogies, mechanical systems, and drawing schemes in direct analogy.

Electroacoustic Analogies: Acoustic Wave Propagation

Introduces electroacoustic analogies to represent acoustic wave propagation in small systems.

Analogue electrical schemes of small acoustic elements

Discusses modelling small acoustic systems using electric representations and deriving analogue electrical quadripoles for acoustic elements.

Analogue Circuit of a Simple Acoustic System

Explains the methodology to express a simple acoustic system's scheme.

Phased Linear Antenna: COMSOL Example 2

Showcases the simulation of a phased linear antenna and its directivity patterns.

Introduction to Transformers and Gyrators

Covers the basic principles of transformers and gyrators in electrical circuits.

Electrodynamic Transducers: Principles and Applications

Explores the principles of electrodynamic transducers, focusing on their behavior as actuators and sensors, and methods to enhance transduction efficiency.

Electrodynamic Transducer Equations and Schemes

Explores the coupling equations and analog schemes of electrodynamic transducers, highlighting their reversible nature as sensors.

Loudness and Sound Level

Explores loudness, sound level, perception, scaling, and integration in audio engineering.

Electrostatic Transduction: Capacitors and Transducers

Covers the physical phenomena of electrostatic transduction, including charge accumulation, capacitance, and electrostatic force, with practical examples of sensors and actuators.

Electrostatic Transduction Equations and Analogue Scheme

Explores electrostatic transduction principles, non-linear equations, and actuator/sensor coupling, with examples like electrostatic microphones.

Acoustic Simulation: Pulsating Sphere

Covers the simulation of acoustic waves in fluids using the Pressure Acoustics, Frequency Domain interface in COMSOL Multiphysics.

Acoustic Radiation of Vibrating Sphere

Explores the simulation of sound radiation from a pulsating sphere and the monopole using COMSOL Multiphysics.

The Pulsating Sphere: ComSol Example

Delves into simulating sound radiation from a pulsating sphere using ComSol software.

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