The paper presents an in-service nonintrusive technique for the measurement of the echo path delay and echo attenuation in telephone-type networks. The proposed method is based on a cross-correlation technique in conjunction with adaptive filtering of the observed transmitted signal. Experimental results show the high accuracy and robustness of the proposed measurement procedure
In-service nonintrusive measurement of echo parameters in telephone-type networks
BERTOCCO, MATTEO;
1998
Abstract
The paper presents an in-service nonintrusive technique for the measurement of the echo path delay and echo attenuation in telephone-type networks. The proposed method is based on a cross-correlation technique in conjunction with adaptive filtering of the observed transmitted signal. Experimental results show the high accuracy and robustness of the proposed measurement procedureFile in questo prodotto:
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