There is an abundance of resources available to assist you in learning more about the skill, craft, and art of live sound.  I’ve listed a number of resources below that I’ve found helpful in my journey and quest in learning.


Books & Guides

Yamaha Sound Reinforcement Handbook by Gary Davis & Ralph Jones, 1988
Yamaha Guide to Sound Systems for Worship by Jon Eiche, 1990
The Art of Mixing: A Visual Guide to Recording, Engineering, and Production by David Gibson, 2005
The Ultimate Live Sound Operators Handbook by Bill Gibson, 2011
The Mixing Engineers Handbook by Bobby Owsinski, 2013


Mobile Apps

hearEQ and Quiztones app – ear training for musicians, sound engineers, and audio lovers
FreeRTA and RTA Audio Analyzer app – Real Time Analyzer apps useful for visually finding frequencies
Great Sound app - includes a multi-track practice mixer, frequency analyzer, & tips


General Audio Education and Information

Great and simple interactive tutorials about sound

Overview of basic sound concepts, physics, and components

Introduction to acoustics, frequency, and audio transmission/reproduction.

Courses for professional audio training and seminars offered by SynAudCon

Beginner’s Guide to PA systems from Yamaha

Tutorial regarding signal-to-noise, microphone selection, etc. (tailored for video camera operators, but very useful information for the audio engineer): www.GreatLiveSound.com/videos


Virtual Soundcheck Tool

All-in-one multi-track recording and playback device for up to 32 channels: NDrive by NemoSyn


Wireless Microphone Information

A basic introduction to various wireless microphone system features and examples

FCC rules for wireless microphone frequency changes


Microphone Tips

The microphone 3:1 rule explained (especially useful for miking choirs): www.GreatLiveSound.com/videos


Compression

Great tutorial about Compression and techniques for how to use it effectively in your mix


Eliminating Buzz & Hum

Brief guide for assessing and eliminating buzz & hum problems in sound systems

Great post about What's That Noise? How do I Fix It!


Acoustics & Sound System Design

Why Churches Buy Three Sound Systems, and How You Can Buy Only One (by Jim Brown)
http://audiosystemsgroup.com/3Times.pdf

Acoustics and Sound Systems in the Contemporary Church (by Jim Brown)
http://audiosystemsgroup.com/ContempAcoustics.pdf


Terms, Definitions, Formulas

Glossary of Professional Audio Terms

Glossary of Theatre & Stagecraft Terms

Balanced vs Unbalanced cables & signals - two helpful video explanations:
www.GreatLiveSound.com/videos

Formula and calculator for loudspeaker impedance

Great analogy of Ohm’s law for sound

Explanation of loudspeaker impedance

The difference between analog and digital signal levels


Other sites you may find helpful & informative:

ProSoundWeb.com
MixMagazine.com
SynAudCon.com
LightingTrainer.com
Pyramid Audio Training
Shure Microphones Audio Docs
Down2EarthAudio.com