DigiTech
DigiTech is an American company that manufactures digital guitar effects.
The company is known especially for its DigiTech Whammy, first manufactured in ****, which made foot-controlled pitch shifting effects possible and the Time Machine digital delay series and IPS33/IPS33B Smart Shift harmonizers. Since then, the company has expanded into making numerous multi-effects and guitar and amp modeling equipment, some of which, such as the iStomp, working in collaboration with iPhones and such; the iStomp is an effects pedal which allows users to download effects through their iPhone and make them playable via the effects pedal.