Sound Made Simple iPA is a training application that takes an 'academic' approach to teach the basic fundamentals of audio, acoustics and sound system equipment. Adapted from the highly acclaimed SMS iCD, iPA (portable application) enables iPhone and iPod touch users to enjoy the same learning approach while on the go!
Sound Made Simple iPA uses eye-catching animation paired with easy-to-understand narration that teaches the basic fundamentals of audio and acoustics using a unique, academic approach.

Signal Path & Gain Structure Chapter

Signal Path & Gain Structure addresses signal path, the different voltage levels and gain structure in a sound system. These are vital elements to grasp in order to understand the audio system as a whole. When you comprehend basic signal flow, how it travels from output to input, changes between acoustical and electrical energy, and the voltage levels used in the audio system, you will better understand multiple signal paths and how to control them.

SMS iPA - Professional includes Signal Path & Gain Structure and the other (9) chapters in one large application.