Music Interfaces Based on Automatic Music Signal Analysis: New Ways to Create and Listen to Music

Music analysis based on signal processing offers new ways of creating and listening to music. This article focuses on applications and interfaces that are enabled by advances in automatic music analysis. By using signal processing, some of these applications provide nonexperts the chance to enjoy music in their daily lives, while other applications apply signal processing to enhance professional music production and create new opportunities for composers and performers. Described in this article are the history and state of the art of music interfaces as well as its future directions that emphasize interactive music applications based on automatic music signal analysis.