High-precision MIDI encoding method including decoder control for synthesizing vocal sounds

MIDI interface is originally designed for electronic musical instrument but we consider this music-note based coding concept can be extended for general acoustic signal description. We proposed applying the MIDI technology to coding of bio-medical auscultation sound signals such as heart sounds for medical records and tele-medicine. Then we have tried to extend our encoding algorithm in order to apply to vocal sounds. Currently, we are trying to improve the coding precision and also control a decoder device in order to make it generate half-tone sounds undefined on the standard musical chromatic-scale. In this paper. we present our newly proposed high-precision MIDI encoding method which can control standard GM tone generators and make them produce high-quality vocal sounds.