Voice activation detecting system used for video conference system
A technology for voice activity detection and video conference system, which is applied in video conference system, voice analysis, two-way work system, etc., can solve the problem of inaccurate voice activity detection effect, and achieve good detection effect, easy implementation, and robust signal-to-noise ratio. great effect
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[0048] In this embodiment, a voice activity detection system for a video conferencing system is disclosed, such as figure 1 and figure 2 shown. It should be noted that the voice activity detection method in the present invention can also be applied to other scenarios. For example, the application scenarios of the education recording and broadcasting system, the application scenarios of the interrogation system, etc. The application of the invention can effectively distinguish the voice signal and the noise signal in the audio signal.
[0049] A voice activity detection system for a video conferencing system, comprising a voice signal acquisition module, a transient impact noise detection module, a voiced sound unvoiced classification module, a signal-to-noise ratio detection module, a voice presence probability detection module, and a noisy voice signal energy detection module and the final judgment module;
[0050] The voice signal acquisition module is...
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