The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 30, 2011
Filed:
Sep. 10, 2009
John Q. Walker, Ii, Raleigh, NC (US);
Peter J. Schwaller, Raleigh, NC (US);
Andrew H. Gross, Sunnyvale, CA (US);
John Q. Walker, II, Raleigh, NC (US);
Peter J. Schwaller, Raleigh, NC (US);
Andrew H. Gross, Sunnyvale, CA (US);
Zenph Sound Innovations Inc., Raleigh, NC (US);
Abstract
Methods, system and/or computer program products for detection of a note include receiving an audio signal and generating a plurality of frequency domain representations of the audio signal over time. A time domain representation is generated from the plurality of frequency domain representations. A plurality of edges are detected in the time domain representation and the note is detected by selecting one of the plurality of edges as corresponding to the note based on characteristics of the time domain representation.