Modular analyzer of digital signal traffic

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A modular traffic analyzer for one or more digital signal multipath transmission channels for the management of digital or analog telephone installations including a module for acquiring and storing samples and a module for processing the latter. A module including at least one dedicated discrimination circuit per signal type travelling over the channel is provided so as to perform, from spectral and power values of the digital signal, a compression of discriminated parameter signal and a distribution according to the signal type or in a temporal mode with respect to one or more channels.