A wind controller, sometimes referred to as a "wind synth" or "wind synthesizer", can loosely be defined as an electronic wind instrument. Wind controllers are most commonly played and fingered like a saxophone, though models have been produced that play and finger like other acoustic instruments such as the trumpet, recorder, tin whistle and others. A wind controller might convert fingering, breath pressure, bite pressure, finger pressure, and other sensors into control signals which are then used to control internal or external devices such as analog synthesizers or MIDI compatible synthesizers, softsynths, sequencers, or lighting systems.