Apparatus and method for modifying a digital signal in the coded domain

摘要

The present invention relates to a network unit, an internet access device or gateway, a computer program product and a method for modifying a coded digital signal being represented by a set of parameter values of a speech or audio synthesis model. The coded digital signal is modified in the coded domain by modifying at least one of the parameter values. An application is acoustic echo and / or noise reduction of the coded digital signal. <IMAGE>