Patents by Inventor Themis G. Katsianos

Themis G. Katsianos has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus for detecting the fundamental frequencies present in polyphonic music
    Publication number: 20010045153
    Abstract: A method for determining a fundamental frequency of a note in a musical signal comprising the steps of receiving the musical signal; determining a frequency of each of a plurality of tracks of the musical signal; generating a plurality of subharmonics for each track; and computing the fundamental frequency based on a frequency of at least one subharmonic selected from the plurality of subharmonics, the frequency of the at least one selected subharmonic being within a neighborhood of the frequency of the track having a lowest frequency.
    Type: Application
    Filed: March 2, 2001
    Publication date: November 29, 2001
    Applicant: Lyrrus Inc. d/b/a GVOX
    Inventors: John S. Alexander, Kristopher A. Daniel, Themis G. Katsianos