| 发明名称 |
IMPROVED CORRECTION OF FRAME LOSS DURING SIGNAL DECODING |
| 摘要 |
A signal processing device, media, and method are provided, where a signal comprises a succession of samples distributed in successive frames. The processing is implemented during decoding of such a signal in order to replace at least one signal frame lost in decoding, and comprising in particular: a) searching, in a valid signal available to the decoder, for a signal segment of length corresponding to a period set as a function of the valid signal; b) analyzing a spectrum of the segment in order to determine spectral components of the segment; and c) synthesizing at least one replacement frame for the lost frame by construction of a synthesized signal from at least a portion of the spectral components. |
| 申请公布号 |
US2015371647(A1) |
申请公布日期 |
2015.12.24 |
| 申请号 |
US201414764422 |
申请日期 |
2014.01.30 |
| 申请人 |
ORANGE |
发明人 |
Faure Julien;Ragot Stephane |
| 分类号 |
G10L19/02;G10L19/12;G10L19/06;G10L19/005 |
主分类号 |
G10L19/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for processing a signal comprising a succession of samples distributed in successive frames, the method being implemented during a decoding of said signal in order to replace at least one signal frame lost in decoding, wherein the method comprises:
a) searching, in a valid signal available to the decoder, for a signal segment of a length corresponding to a period set as a function of said valid signal; b) analyzing a spectrum of the segment in order to determine spectral components of the segment; c) synthesizing at least one replacement frame for the lost frame, by construction of a synthesized signal from at least a portion of the spectral components. |
| 地址 |
Paris FR |
