How to alter a soundwave Explains the underlying concepts of sound manipulation
Synthesis types Overviews of subtractive, additive, FM, Granular, Phase Distortion, Physical Modeling etc
Polyphony & voices Keyboards and voices explained
Subtractive (analogue) synthesis
In depth explanation
Emulating real instruments with subtractive synthesis Test your knowledge.
So, you own an old monophonic analogue subtractive synth and you need to record your sound setups. Click here for a free subtractive synth patch sheet (pdf) which you can download and print out.
Synthesisers - Interface design and development Article by Paul Hazel which discusses and evaluates the design and implementation of synthesiser control and performance interfaces
A list of pros and cons to help you decide.