Musical Greeting Cards

Most of (but not all) chip sounds are synthesised by simply dividing a clock square wave to get a square http://www.voice-express.com/ wave of desired frequency, and sometimes using a sawtooth/triangle wave from volume LFO or an (ADSR) envelope to get some kind of ring modulation. LFOs are used to control or influence a sound parameter such as pitch or filters in a repeating cycle.

A notable chiptune artist today is 8 Bit Weapon, who has completed chiptune music projects for Disney, Cartoon Network (Europe), Microsoft, Nokia, Kraftwerk, Information Society, Erasure and has even appeared live on national television via G4TV's Attack of the Show.