Automatic marking method for speaker

The invention belongs to the field of speech signal processing, specifically relates to an automatic marking method for a speaker, and aims at improving the marking accuracy of the speaker role. The method comprises the steps: carrying out the speech recognition of to-be-marked speech, obtaining text contents and the position of a silent segment, and dividing the speech into a plurality of short sentences according to the position of the silent segment; carrying out the role confidence scoring of each short sentence through a pre-configured role model based on contents and an above recognitionresult, and forming a corresponding role speech data set through the speech of the short sentences with the high scores; taking the speech in a current role set as the training data, and obtaining aspeaker recognition model of the role; scoring other short sentences through the speaker recognition model, marking the speech of sentences meeting the requirements as the corresponding role, adding the role to the role speech