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:
May. 02, 2017
Filed:
Sep. 07, 2010
Riitta Elina Niemisto, Tampere, FI;
Robert Bregovic, Vinica, HR;
Bogdan Dumitrescu, Tampere, FI;
Ville Mikael Myllyla, Tampere, FI;
Riitta Elina Niemisto, Tampere, FI;
Robert Bregovic, Vinica, HR;
Bogdan Dumitrescu, Tampere, FI;
Ville Mikael Myllyla, Tampere, FI;
Nokia Technologies Oy, Espoo, FI;
Abstract
The invention relates to a method and an apparatus for processing an audio signal, wherein the method comprises the steps of: filtering an audio signal into at least two frequency band signals, generating for each frequency band signal a plurality of sub-band signals, wherein for at least one frequency band signal the plurality of sub-band signals are generated using a time to frequency domain transform and for the at least one other frequency band the plurality of sub-band signals for the other frequency band are generated using a sub-band filterbank, and the apparatus comprises at least one processor and at least one memory including computer program code, the at least one memory and the computer program code being configured to, with the at least one processor, cause the apparatus to perform the method.