EEtimes has an 8 part series ''Sound System Engineering'' by by Don Davis & Eugene Patronis
Starting
http://www.eetimes.com/design/audio-design/4015880/Using-the-Decibel--Part-1-Introduction-and-underlying-concepts
Through
http://www.eetimes.com/design/audio-design/4015871/Acoustics-and-Psychoacoustics-Introduction-to-sound--Part-8
Starting
http://www.eetimes.com/design/audio-design/4015880/Using-the-Decibel--Part-1-Introduction-and-underlying-concepts
Through
http://www.eetimes.com/design/audio-design/4015871/Acoustics-and-Psychoacoustics-Introduction-to-sound--Part-8