Electrical Communication is a free textbook on the basics of communication technology. See the editorial for more information....

 
 

Editorial
Preface
Download and Release History
Copyright
Early History of
Electrical Communication
Fundamentals of Acoustics
Introduction
The Nature of Sound
The Transmission of Sound
Sound Insulation
Echoes, Interference, and Beats
Reverberation
Measurements of Reverberation
Time
Reverberation Time in
'Live' Rooms
Reverberation Time in
'Dead' Rooms
Acoustics of Auditoriums
Acoustics of Studios
The Production of
Speech Sounds
The Frequency Characteristics
of Speech
Speech Power
Music
Noise
Hearing
The Field of Audition
The Loudness of Sounds
Masking
Noise Measurements
Background-Noise Correction
Noise Reduction
Articulation and Intelligibility Tests
References
Review Questions
Problems
Electrical Fundamentals of
Communication
Electroacoustic Devices
Electric Networks
Transmission Lines
Cables and Wave Guides
Electronic Applications in
Communication
Telegraph Systems
Telephone Exchange Service and
Systems
Telephone Toll Service and
Systems
Radio Wave Propagation and
Antennas
Radio Systems
Interference and Noise

Last Update: 2011-06-06