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:
Mar. 22, 2011
Filed:
Mar. 27, 2007
Applicants:
Steven Leonardus Josephus Van DE Par, Goirle, NL;
Martin Franciscus Mckinney, Eindhoven, NL;
Inventors:
Steven Leonardus Josephus Van De Par, Goirle, NL;
Martin Franciscus McKinney, Eindhoven, NL;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63H 5/00 (2006.01); G04B 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An audio signal is processed to extract key information by selecting () tonal components from the audio signal. A mask is then applied () to the selected tonal components to discard at least one tonal component. Note values of the remaining tonal components are determined () and mapped () to a single octave to obtain chroma values. The chroma values are accumulated () into a chromagram and evaluated ().