Patent ID: 8538755

Claim:
An automated emotional recognition system for determining emotional states of a speaker based on analysis of a speech signal, comprising: at least one server function; at least one client function in communication with and receiving assistance in determining the emotional states of the speaker from the at least one server function, wherein the at least one client function comprises an emotional features calculator adapted to receive the speech signal and to extract therefrom a set of speech features indicative of an emotional state of the speaker; and at least one of either the client function or server function comprising at least one emotional state decider adapted to determine the emotional state of the speaker exploiting the set of speech features based on a decision model, the server function comprising at least a decision model trainer adapted to update the decision model according to the speech features, and one of a plurality of decision models to be used by the emotional state decider being selected based on a user selecting a predefined scenario from a user telecommunications terminal, wherein the extracted set of speech features, extracted from the speech signal by the emotional features calculator, to be used by the emotional state decider for determining the emotional state are configurable based on user-generated configuration data related to context of use and adapted to define at least one among: type of features to be extracted; and precision of the extracted features, wherein the emotional features calculator comprises at least one of: a speech features extractor adapted to extract from the speech signal a plurality of preliminary sets of emotional features; a super-frame speech features extractor adapted to process the plurality of preliminary sets of emotional features and obtain a super-frame set of emotional features based on the processing of the plurality of preliminary sets of emotional features; and a speech feature filter adapted to select, by filtering from the super-frame set of emotional features, a subset of emotional features.