SYSTEM AND METHOD OF CONTROLLING REDUNDANCY Russian patent published in 2011 - IPC G10L19/14 H04L1/00 

Abstract RU 2415482 C2

FIELD: information technology.

SUBSTANCE: method involves determination of available codec modes which were installed during the previous matching of the mode with the reception device, the codec mode is selected from the said available code modes and a packet is encapsulated for transmission with a specific level of frame redundancy in accordance with the selected code mode. In versions of the invention, the level of redundancy used during transmission is always optimum with respect to the selected code modes, and there is no need for re-matching the codec.

EFFECT: error tolerance when transmitting speech over a packet switched network.

22 cl, 4 dwg

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RU 2 415 482 C2

Authors

Ojala Pasi

Lakaniemi Ari

Dates

2011-03-27Published

2007-09-26Filed