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:
Jul. 29, 2014
Filed:
Jul. 11, 2005
Dirk Jeroen Breebaart, Eindhoven, NL;
Erik Gosuinus Petrus Schuijers, Eindhoven, NL;
Heiko Purnhagen, Sundbyberg, SE;
Karl Jonas Rödén, Solna, SE;
Dirk Jeroen Breebaart, Eindhoven, NL;
Erik Gosuinus Petrus Schuijers, Eindhoven, NL;
Heiko Purnhagen, Sundbyberg, SE;
Karl Jonas Rödén, Solna, SE;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Coding Technologies AB, Stockholm, SE;
Abstract
A device () for converting a first number (M) of input audio channels into a second, larger number (N) of output audio channels comprises: decorrelation units () for decomposing the input audio channels into a set of decorrelated auxiliary channels, at least one upmix unit () for combining the decorrelated auxiliary channels into the output audio channels, and at least one pre-processing unit () for pre-processing the input audio channels and feeding the pre-processed input audio channels to the decorrelation units (). The pre-processing unit () and the upmix unit () are preferably controlled by audio parameters.