Absorption (acoustics)

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Mechanical engineering
Acoustical engineering
Architectural acoustics

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Related lectures (32)

Effects of Reflections: Impulse Response and Reflectogram

Explores the impact of reflections on sound and how to measure them.

Can One Hear the Shape of a Room

Explores sound propagation in rooms, room impulse responses, and reconstructing room shapes.

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.

Radiation Impedance of Piston on Screen

Explores the radiation impedance of a piston on a screen using COMSOL Multiphysics, focusing on resistance, mass, and impedance expressions.

Electroacoustic Absorbers: Principles and Performance

Explores the principles and performance of electroacoustic absorbers in recording studios, covering bass traps, specific impedance, and tuning techniques.

Electroacoustic Absorbers: Control Design

Covers the design of electroacoustic absorbers, focusing on modal equalization, optimization, and performance evaluation.

Building Materials: Characteristics and Classification

Explores the characteristics and classification of building materials, including physical properties and absorption powers of different materials.

Acoustic Simulation: Pulsating Sphere

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

Room Acoustics Quality Criteria

Explores the impact of reflections on sound localization and the annoyance caused by echoes in room acoustics.

Human Body Measurement and Acoustics

Explores human body measurements, wave acoustics, and harmonics in sound.

Free Piston Simulation

Demonstrates the simulation of a free piston system using COMSOL Multiphysics software.

Analogue electrical schemes of small acoustic elements

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

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