Voice processing method and device, equipment and storage medium

A voice processing and voice data technology, applied in the computer field, can solve problems such as misrecognition and false wake-up, and achieve the effect of improving accuracy and reducing false wake-up.

Active Publication Date: 2019-08-06
ALIBABA GRP HLDG LTD
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Problems solved by technology

[0005] The above-mentioned method has a good recall rate. However, some keywords are very similar in pronunciation,...

Method used

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  • Voice processing method and device, equipment and storage medium
  • Voice processing method and device, equipment and storage medium
  • Voice processing method and device, equipment and storage medium

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Embodiment Construction

[0054] In order to make the above objects, features and advantages of the present application more obvious and comprehensible, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0055] In the embodiment of the present application, aiming at the problem of false wake-up in voice wake-up, a multi-level verification voice processing method is proposed, and the parsed recognition keywords can be multi-level verified by multi-dimensional confidence classifiers, thereby outputting Through the final keyword of multi-level verification, the accuracy of keyword recognition is improved and the problem of false awakening is reduced. Wherein, a keyword (Keyword) refers to a word representing the main meaning of the voice data, and the keyword can be a single character or a word, which can be recognized from the voice data.

[0056] like figure 1 In the speech processing schematic diagram s...

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Abstract

The embodiment of the invention provides a voice processing method and device, equipment and a storage medium, and aims to reduce the problem of false awakening. The method comprises the following steps: analyzing voice data to obtain one or more recognition keywords and corresponding confidence information; performing multi-level confidence verification on the one or more recognition keywords byadopting a plurality of confidence classifiers; and outputting the final keyword passing the multi-level verification. Through multi-level confidence verification, the accuracy of keyword recognitioncan be effectively improved, and the problem of false awakening is reduced.

Description

technical field [0001] The present application relates to the field of computer technology, in particular to a voice processing method and device, an electronic device and a storage medium. Background technique [0002] With the development of terminal technology, voice wake-up technology has been widely applied, that is, users can wake up services such as applications they need by voice in the terminal, such as querying routes by voice, waking up various applications by voice, and so on. [0003] At present, voice wake-up usually uses a limited-scale deep neural network (Deep Neural Network, DNN) model to build a small automatic speech recognition (Automatic Speech Recognition, ASR) system, and the keyword recognition is performed through the ASR system, and ; At the same time, some systems train a confidence classifier for custom keywords to optimize. [0004] This solution is similar to the voice wake-up technology based on DNN acoustic model (AM), and the voice wake-up ...

Claims

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Application Information

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IPC IPC(8): G10L15/02G10L15/14G10L15/22G10L15/26
CPCG10L15/22G10L15/26G10L15/063G10L15/14G10L15/02G10L15/1822G10L25/24G10L2015/223G10L2015/0631G10L2015/025
Inventor 姚海涛
Owner ALIBABA GRP HLDG LTD
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