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Chinese hot word detection method and device

A detection method and detection device technology, which are applied in speech analysis, speech recognition, instruments, etc., can solve problems such as the inability to guarantee the sequence, inappropriate analysis of Chinese language materials, and consistency.

Active Publication Date: 2020-01-17
出门问问创新科技有限公司 +1
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Problems solved by technology

Most of the existing hot word detection technologies are based on syllables to segment the target hot words. This syllable-based hot word segmentation is very suitable for the extraction of English words, but not suitable for the analysis of Chinese language materials
In addition, the current voice hot word detection method cannot guarantee that the detected hot words are in the same order as the words in the target Chinese hot words in Chinese hot word detection

Method used

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Embodiment Construction

[0011] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0012] figure 1 It is a flowchart of a Chinese hot word detection method 1 according to an embodiment of the present invention. The method of the present invention is mainly accomplished by a processor or an operating program on a computer device, and the processor or operating program is called a Chinese hot word detection device, hereinafter referred to as the detection device. The computer equipment includes but is not limited to computers, mobile phones, tablet computers, and smart wearable devices with the processor or operating program, such as smart bracelets, smart watches, and smart glasses.

[0013] Hot words refer to some special voice commands that are different from the conventional voice commands used to issue, and they are usually related to the overall status of applications or computer equipment without involving the user's specific voice co...

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Abstract

The invention provides a method and a device for detecting Chinese hot words. The method comprises steps: continuous multiple segments in user speech are collected; with a standard speech feature of each word in target Chinese hot words as a reference, the appearing possibility of each word in the target Chinese hot words in each segment is acquired; based on the appearing possibility of each word in the target Chinese hot words in each segment, the maximal possibility that the target Chinese hot words appear in the multiple segments on the premise of not violating the standard sequence of the word in the target Chinese hot words is acquired; and based on the maximal possibility, whether the target Chinese hot words appear in the user speech is detected. Chinese hot word detection with words as segment units can be supported, and the sequence of the detected hot words can be ensured to be consistent with that of words in the target Chinese hot words.

Description

technical field [0001] The invention relates to a speech detection technology, in particular to a Chinese speech hot word detection technology with a character as a division unit. Background technique [0002] Voice hot word detection technology is developing day by day, and has been widely used in voice search and hot word wake-up. Most of the existing hot word detection technologies segment target hot words based on syllables. This syllable-based hot word segmentation is very suitable for the extraction of English words, but not suitable for the analysis of Chinese language materials. In addition, the current voice hot word detection method cannot guarantee that the detected hot words are in the same order as the characters in the target Chinese hot words in the detection of Chinese hot words. Contents of the invention [0003] One of the technical problems solved by the present invention is to support the detection of Chinese hot words with characters as the segmentati...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G10L15/02G10L15/04G10L15/14G10L25/54
Inventor 雷欣李倩
Owner 出门问问创新科技有限公司
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