Method and device for recognizing anchor based on voiceprint features

Abstract

Embodiments of the present invention provide a method and device for recognizing an anchor based on voiceprint features, wherein the method includes: intercepting several frames of audio information from the live video of the anchor to be identified, and according to a pre-trained neural network model, from the several frames of audio information Extract the voiceprint feature of the host to be identified from the information; store the voiceprint feature in a pre-generated hash bucket according to the local sensitive hash method, and store at least one feature in the same hash bucket as the voiceprint feature As the voiceprint feature of the sample anchor to be matched; calculate the similarity between the voiceprint feature of the sample anchor and the voiceprint feature of the to-be-identified anchor, and use the sample anchor with the highest similarity as the to-be-identified anchor. The embodiment of the present invention adapts to the requirement of identifying the host under live broadcast conditions.

Description

technical field [0001] The present invention relates to the technical field of video surveillance, and more particularly, to a method and device for identifying an anchor based on voiceprint features. Background technique [0002] Webcasting, that is, Internet live broadcast service, is an anchor-led, brand-new Internet audio-visual program, usually in the form of video, audio, graphics and text, to broadcast various consultations or programs to the public in real time. As of June 2019, the number of online live broadcast users in my country reached 433 million, accounting for 50.7% of the total netizens. Among them, the number of users of reality show live broadcasts was 205 million, accounting for 24.0% of the total netizens. [0003] Online live broadcasts are attracting more and more users, and the temptation of economic interests and regulatory omissions have also led to various chaos in the live broadcast industry. Some anchors use unscrupulous means to attract the au...

AI Technical Summary

Problems solved by technology

These anchors are not unaware that the content of their live broadcasts does not comply with the rules and regulations, and more of them have the fluke mentality that even if they are banned by their platforms, they can change platforms and continue live broadcasts with their accounts, which leads to such behaviors being repeatedly banned.

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