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:
Dec. 16, 2014
Filed:
Feb. 27, 2013
Nokia Corporation, Espoo, FI;
Jussi Virolainen, Espoo, FI;
Ville Myllyla, Tampere, FI;
Nokia Corporation, Espoo, FI;
Abstract
A method, apparatus computer program product provide acoustical echo control for distributed voice conferencing including distributed voice conferencing that utilizes spatial audio processing. In the context of a method, a reference signal and one or more other reference signals may be received by a mobile terminal. The reference signal is associated with downlink audio to be reproduced by the mobile terminal and the one or more other reference signals are associated with downlink audio to be reproduced by one or more other mobile terminals. The method also includes processing an echo signal from uplink audio due to the downlink audio reproduced by the audio transducer of the mobile terminal based upon the reference signal. The method also processes an echo signal from uplink audio due to the downlink audio reproduced by respective audio transducers of the one or more other mobile terminals based upon the one or more other reference signals.