The interpolation approaches to the shape recovery of a speech signal in transmission over packet switched communications networks are proposed. The samples of a signal fragments are mixed and transmitted in correspondence with standard procedure of packet-switched transmission. After reception a reverse permutation is made. In the case of packet losses missing samples are separated by several samples of the source signal. Correlation properties of the signal are used for the recovery samples due to the first- and second-order nonadaptive and adaptive interpolation. For the loss of 25% packets and second order adaptive interpolation are 2-4% error distribution range has been achieved.


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    Title :

    Speech signal reconstruction for real-time voice transmission over the Internet


    Contributors:


    Publication date :

    2003-01-01


    Size :

    268946 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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