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Method and device for checking speech detection results

A technology for detection results and speech detection, applied in speech analysis, instruments, etc., to solve problems such as inability to apply preset thresholds, decline in speech recognition accuracy, and false detections.

Active Publication Date: 2021-05-18
深圳市雅今智慧科技有限公司
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Problems solved by technology

[0006] However, this method uses the calculated cepstrum distance to compare with the preset threshold. Although the thresholds at different distances are preset, due to the complexity of the actual environment, the preset threshold often cannot be applied in specific scenarios. lead to a decline in the accuracy of speech recognition
At the same time, this solution does not have a process of checking the voice detection results, which is prone to false detections

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  • Method and device for checking speech detection results
  • Method and device for checking speech detection results
  • Method and device for checking speech detection results

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Embodiment Construction

[0109] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0110] The sound signal referred to in the present invention refers to digital audio data, that is, the digital audio data obtained by first converting sound waves into analog audio signals through a sound wave conversion circuit, and then converting the above analog audio signals through an analog-to-digital converter.

[0111] refer to figure 1 , the present invention proposes a kind of method of checking speech detection result, comprises the following steps:

[0112] S10. The detection result of the current frame is voice activity, and the statistical value of the detection result in the detection result buffer of the current frame is calculated;

[0113] S20. Comparing the statistical value with a preset threshold to obtain a judgment result.

[0114] Before step S10, first obtain the detection result of the cu...

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Abstract

The method and device for checking the voice detection result proposed by the present invention, the method includes the following steps: if the current frame detection result is voice activity, then calculate the statistical value of the detection result in the detection result buffer; Set the threshold comparison to obtain the judgment result. A method and device for checking speech detection results proposed by the present invention considers that speech generally has coherence characteristics, after calculating the detection results of the current frame, combined with the detection results of the previous frames to obtain statistical values, and combining the statistical values ​​with the predicted Threshold comparison is set to judge whether the detection result of the current frame is misjudged, which improves the accuracy of speech detection.

Description

technical field [0001] The invention relates to the field of voice recognition, in particular to a method and device for checking voice detection results. Background technique [0002] In recent years, with the vigorous development of Internet technology and intelligent hardware, voice intelligent interactive technologies such as voice recognition, voiceprint recognition, and sound source detection have begun to move from laboratories to users. Because speech recognition technology is the core technology of human-computer interaction system based on speech. At present, the recognition rate has reached the usable accuracy rate under limited conditions. The so-called limited adjustment usually means that the distance between the user and the microphone is relatively close, and the noise interference is small. However, the condition that voice commands must be issued at close range limits the convenience of voice interaction. [0003] In the case of long-distance speaking, s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G10L25/78
CPCG10L25/78G10L2025/783
Inventor 蔡钢林
Owner 深圳市雅今智慧科技有限公司
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