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Kaldi-based professional vocabulary speech recognition method

A professional vocabulary and speech recognition technology, applied in speech recognition, speech analysis, instruments, etc., can solve the problem of low speech recognition accuracy, and achieve the effect of improving the accuracy of speech recognition

Inactive Publication Date: 2021-08-24
SHANDONG INSPUR SCI RES INST CO LTD
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  • Abstract
  • Description
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Problems solved by technology

[0003] The purpose of the present invention is to provide a Kaldi-based professional vocabulary speech recognition method, which can effectively solve the problem of low accuracy of speech recognition of professional vocabulary in a specific field

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  • Kaldi-based professional vocabulary speech recognition method

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Embodiment Construction

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0018] A kind of professional vocabulary speech recognition method based on Kaldi, comprises the following steps:

[0019] S1. Training a speech recognition model in a professional field through transfer learning: collect speech recognition training corpus data in a specific field, based on a general speech recognition model, use Kaldi transfer learning to train a speech recognition model in a professional field, the speech recognition model Can recognize most...

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Abstract

The invention provides a Kaldi-based professional vocabulary speech recognition method, which can effectively solve the problem of low speech recognition accuracy of professional vocabularies in the specific field. According to the invention, the method comprises the following steps: S1, training a speech recognition model of a professional field through transfer learning; S2, collecting professional vocabularies and updating an L file of the finite state transcription machine; S3, updating a language model finite state transcription machine G file; S4, constructing a decoding space HCLG file; and S5, decoding and identifying by using the HCLG file.

Description

technical field [0001] The invention relates to a vocabulary speech recognition method, in particular to a Kaldi-based professional vocabulary speech recognition method, which belongs to the technical field of artificial intelligence. Background technique [0002] Benefiting from the development of digitalization and intelligence, as well as the general improvement in the accuracy of speech recognition, speech recognition applications have experienced explosive growth in recent years, and have played an important role in many aspects such as smart homes and smart vehicles. Kaldi is currently the most popular speech recognition tool. It integrates a large number of latest developments and optimal scripts, which greatly reduces the application threshold of speech recognition technology and promotes the implementation of speech recognition in the industry. Although speech recognition has made great progress in recent years, in specific industries, problems such as low accuracy ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L15/06G10L15/18
CPCG10L15/06G10L15/18G10L15/063
Inventor 陈其宾李锐王建华
Owner SHANDONG INSPUR SCI RES INST CO LTD
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