zplane is a research-driven technology provider that offers state-of-the-art music processing/analysis technology and know-how to the music industry. It was founded in the year 2000. The focus lies on intelligent signal processing solutions like artifact-free time stretching and pitch shifting and on music analysis technology, dealing with the extraction of high-level musical information from the music signal like tempo, rhythm, melody and key. Technologies licensed from zplane are used by millions of end users world wide.