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Speech feature extraction method and device based on artificial intelligence

A technology of speech features and artificial intelligence, applied in speech analysis, speech recognition, neural learning methods, etc., can solve the problem of lack of speech features and low accuracy of speech recognition

Active Publication Date: 2020-07-28
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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Problems solved by technology

[0005] For this reason, first object of the present invention is to propose a kind of artificial intelligence-based speech feature extraction method, to realize the extraction of speech feature, solve the problem of accurate speech recognition caused by the lack of effective extraction of speech feature in the prior art. minor technical issues

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  • Speech feature extraction method and device based on artificial intelligence
  • Speech feature extraction method and device based on artificial intelligence
  • Speech feature extraction method and device based on artificial intelligence

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Embodiment Construction

[0036] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0037] The method and device for extracting speech features based on artificial intelligence according to the embodiments of the present invention will be described below with reference to the accompanying drawings.

[0038] figure 1 It is a schematic flowchart of an artificial intelligence-based speech feature extraction method provided by an embodiment of the present invention.

[0039] Such as figure 1 Shown, this artificial intelligence-based speech feature extraction method comprises the following steps:

[0040] Step 101...

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Abstract

The present invention proposes a speech feature extraction method and device based on artificial intelligence, wherein the method includes: after obtaining the spectrogram of the speech to be recognized by performing spectrum analysis on the speech to be recognized, using the output gate convolutional neural network to analyze the spectrogram Perform feature extraction to obtain speech features. Since the spectrogram can describe the speech to be recognized in the form of an image, and the output gate convolutional neural network is an effective way to process the image, therefore, the speech features extracted in this way can be used for speech. properties are accurately described. When performing speech recognition based on the extracted speech features, it can solve the technical problem of low speech recognition accuracy in the prior art due to lack of effective extraction of speech features.

Description

technical field [0001] The invention relates to the technical field of speech recognition, in particular to a method and device for extracting speech features based on artificial intelligence. Background technique [0002] Artificial Intelligence (Artificial Intelligence), the English abbreviation is AI. It is a new technical science that studies and develops theories, methods, technologies and application systems for simulating, extending and expanding human intelligence. Artificial intelligence is a branch of computer science that attempts to understand the essence of intelligence and produce a new intelligent machine that responds in a manner similar to human intelligence. Research in this field includes robotics, speech recognition, image recognition, natural language processing and expert systems, etc. Among them, the most important aspect of artificial intelligence is speech recognition technology. [0003] In the existing speech recognition technology, a piece of s...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G10L15/02G10L15/16G10L25/18G10L25/30
CPCG10L15/02G10L15/16G10L25/18G10L25/30G06N3/045G06N3/08
Inventor 李超李先刚
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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