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Voice silence detection method and device, computer equipment and storage medium

A silent detection and voice technology, applied in the computer field, can solve the problems of low noise immunity and high performance requirements

Pending Publication Date: 2017-11-24
TENCENT TECH (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional silence detection is often fixed on the terminal hardware that sends voice data, and has high requirements on the performance of the terminal hardware. Generally, the method based on short-term energy and zero-crossing rate in the time domain is used, which has low anti-interference to noise

Method used

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  • Voice silence detection method and device, computer equipment and storage medium
  • Voice silence detection method and device, computer equipment and storage medium
  • Voice silence detection method and device, computer equipment and storage medium

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Embodiment Construction

[0033] Such as figure 1 As shown, a speech silence detection system is provided, including a computer device 102 and at least one terminal 104, and the computer device 102 may be a server or another terminal. The computer device 102 is used to provide support for voice silence detection, and can be an independent physical server or terminal, or a server cluster composed of multiple physical servers, and can provide basic clouds such as cloud servers, cloud databases, cloud storage, and CDN. Cloud server for computing services.

[0034] The terminal 104 can be a smart phone, a tablet computer, a laptop computer, a desktop computer, a smart speaker, a smart watch, etc., but is not limited thereto. The terminal 104 can send voice data to the computer device 102 through the network, which can be a real-time voice data stream or non-real-time voice data. The computer device 102 receives the voice data packets sent by the terminal and identifies silent data according to the target ...

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Abstract

The invention relates to a voice silence detection method and device, computer equipment and a storage medium. The method comprises the following steps: a voice data packet sent from a terminal is received, original voice data is obtained based on the voice data packet, voice frames to be detected are obtained after the original voice data is framed, the voice frames to be detected are transformed and therefore corresponding frequency domain voice frames are obtained; a current frequency domain voice frame corresponding to a current voice frame to be detected is obtained, frequency domain voice frames neighboring the current frequency domain voice frame are obtained according to preset rules, an original input image is formed by the current frequency domain voice frame and the neighboring frequency domain voice frames in chronological order, the original input image is input into an object convolutional neutral network obtained via training operation, and a classification result is obtained; a silence detection result corresponding to the current voice frame to be detected can be obtained according to the classification result, reliability of the silence detection result can be improved, and requirements for performance of hardware environment of a voice data sending terminal can be alleviated.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a voice mute detection method, device, computer equipment and storage medium. Background technique [0002] With the development of computer technology, the application of the combination of network and multimedia technology is becoming more and more common in people's daily life. In many scenarios, there are application requirements for recognizing voice data and converting voice into text, such as generating control instructions through voice, and communicating through voice. [0003] Silence detection is to separate the speech signal and non-speech signal from the speech signal of various background noises, and determine the start point and end point of the speech signal. As the first step of speech recognition, silence detection is very important, especially in the complex noise environment. Its accuracy directly affects whether the subsequent recognition work can ...

Claims

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Application Information

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IPC IPC(8): G10L15/06G10L15/16G10L25/78
CPCG10L15/063G10L15/16G10L25/78
Inventor 王辉
Owner TENCENT TECH (SHENZHEN) CO LTD
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