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:
Sep. 28, 2010
Filed:
May. 30, 2007
Jean-philippe Thomas, Trevou Treguignec, FR;
Marc Emerit, Guingamp, FR;
Jean-Philippe Thomas, Trevou Treguignec, FR;
Marc Emerit, Guingamp, FR;
France Telecom SA, Paris, FR;
Abstract
A method of comparison between pieces of information characterizing reference values and pieces of information characterizing current values of sound-reproducing systems of a system of (n) microphones mand (p) speakers hpfor the control of said sound-reproducing systems characterized in that: A: for each speaker hp, at least one sound signal S is sent on the speaker hp, for each microphone m, a piece of information hpmis retrieved, this piece of information characterizing the sound-reproducing system comprising the speaker hpand the microphone m, B: a reference matrix Qis saved, this reference matrix being constituted by all the pieces of reference information hpmobtained following the sending of the sound signal S, C: as soon as a comparison is to be made, the step A is run with a sound signal S' to obtain current information on a matrix Q, D: the matrices Q and Qare compared.