Subtractive synthesis is a method of sound creation that was popularized by synthesizers from the 60’s and 70’s. Today, this method is by far the most popular method for sound creation in synthesizers and is an important process to learn and understand when creating sound on any synthesizer. The basic principal of subtractive synthesis is to begin with a raw complex sound wave like a sawtooth or square wave. Next, the sound is crafted to be a more detailed and polished sound by removing (or subtracting) frequencies from that raw sound. Learn more at SonicMix.com