SYSTEM AND METHOD FOR PREDICTING MUSICAL KEYS FROM AN AUDIO SOURCE REPRESENTING A MUSICAL COMPOSITION

摘要

A system and method thereof for determining the musical key of a musical composition. The system includes a database (14) of reference musical works, defined by both a root musical key (24) and a note strength profile (26), and a musical key estimation system (12) that detects the musical key of the musical compositing based on relationships between the note strength profiles of the reference works and the note strength profile of the musical composition.