Friday, 19 04 2019

Electroacoustics I

General

 
Electroacoustics I
 
Lesson Code:  22Α7032
Level:  Undergraduate
Semester:  7ο
 eclass https://eclass.upatras.gr/courses/EE740/

Description

 

Introduction

Electroacoustics (specialization areas, applications, history). General features and structure of sound systems, types of distortions in such systems

Sound sources, waves and quantities

Acoustic waves and equations. Frequency analysis of signals, relevant acoustic quantities, sound sources, directivity. Sound pressure level, loudness and noise measurement

Electromechanical and electrocoustical analogies, transduces and circuits

The relationships of the elements and the transduction in electro-mechanical-acoustical systems. Equivalent (analogous) circuits, transducer sensitivity and frequency response

Microphones

Principles of operation, types, electrical and acoustical characteristics. Use of microphones in recording

Loudspeakers

Principles of operation, types and technology evolution. Electromechanical system response and acoustic radiation. Electromagnetic loudspeaker drivers, analysis and equivalent circuits. Loudspeaker cabinets, cross-over circuits. Measuring loudspeaker systems and principles of design and construction

Professor

 
Mourjopoulos Ioannis