Title:
FRAME ERASURE CONCEALMENT FOR A MULTI-RATE SPEECH AND AUDIO CODEC
Document Type and Number:
WIPO Patent Application WO/2012/141486
Kind Code:
A3
Abstract:
An audio coding terminal and method is provided. The terminal includes a coding mode setting unit to set a mode of operation, from plural modes of operation, for coding by a codec of input audio data, and the codec configured to code the input audio data based on the set mode of operation such that when the set mode of operation is a high frame erasure rate (FER) mode of operation the codec codes a current frame of the input audio data according to one frame erasure concealment (FEC) mode of one or more FEC modes. Upon the coding mode setting unit setting the mode of operation to be the High FER mode of operation, the coding mode setting unit selects the one FEC mode, from the one or more FEC modes predetermined for the High FER mode of operation, to control the codec based on an incorporating of redundancy within a coding of the input audio data or as separate redundancy information separate from the coded input audio according to the selected one FEC mode.
Inventors:
SUNG HO SANG (KR)
GREER STEVEN CRAIG (US)
GREER STEVEN CRAIG (US)
Application Number:
PCT/KR2012/002738
Publication Date:
March 14, 2013
Filing Date:
April 11, 2012
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
G10L19/00
Foreign References:
| US20110022924A1 | 2011-01-27 | |||
| US20050154584A1 | 2005-07-14 | |||
| US20060173687A1 | 2006-08-03 | |||
| US20070271101A1 | 2007-11-22 |
Other References:
See also references of EP 2684189A4
Attorney, Agent or Firm:
MUHANN PATENT & LAW FIRM (6th Floor Myeonglim Building,51-8 Nonhyeon-dong, Gangnam-gu, Seoul 135-814, KR)
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