A system and method for automatically detecting and identifying a plurality of frequencies simultaneously present in an audio signal, as well as the duration, amplitude, and phase of those frequencies, then filtering out harmonic components to determine which frequencies are fundamentals. The system...http://www.google.fr/patents/US6140568?utm_source=gb-gplus-shareBrevet US6140568 - System and method for automatically detecting a set of fundamental frequencies simultaneously present in an audio signal
System and method for automatically detecting a set of fundamental ...
