"MIDI Merlin extends the capabilities of live performed monophonic instruments with the assistance Audio-to-MIDI conversion and the wireless control interface of the Nintendo Wii remote. It is a versatile tool for acoustic or electronic sources with many possible applications in the realm of audio/MIDI. In one configuration, it can be a creative tool for interacting with hardware and software MIDI devices. In another configuration, it can be utilized as an application for ear-training and improving relative pitch acuity. In another configuration, it can be a real-time audio to MIDI converter for use in live performance scenarios."