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. 10, 2013
Filed:
Sep. 19, 2008
Balazs Kovesi, Lannion, FR;
Stéphane Ragot, Lannion, FR;
Balazs Kovesi, Lannion, FR;
Stéphane Ragot, Lannion, FR;
France Telecom, Paris, FR;
Abstract
The present invention relates to a method of transmission error concealment in a digital signal split up into a plurality of successive frames associated with different time intervals in which, on reception, the signal might comprise erased frames and valid frames and in order to replace at least the first erased frame (N) after a valid frame, at least two steps are performed, a first step (E) of preparation not producing any missing sample and comprising at least one analysis of a valid decoded signal and a second step (E) of concealment producing the missing samples of the signal corresponding to said erased frame. The first step and the second step are executed in different time intervals. The invention relates also to a device of concealment implementing the method according to the invention as well as a decoder comprising such a device. The invention allows the distribution of the error concealment complexity on different time intervals.