Language recognition model training method, language recognition method and related equipment

A technology of language recognition and training methods, applied in speech recognition, speech analysis, instruments, etc., can solve problems such as poor accuracy and low efficiency, and achieve efficient and accurate classification

Pending Publication Date: 2021-03-12
CTRIP COMP TECH SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The current language discrimination work is often done by manually listening to the pitch and timbre of the voice, which is low in efficiency and poor in accuracy.

Method used

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  • Language recognition model training method, language recognition method and related equipment
  • Language recognition model training method, language recognition method and related equipment
  • Language recognition model training method, language recognition method and related equipment

Examples

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Embodiment Construction

[0034] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art.

[0035] Furthermore, the drawings are merely schematic illustrations of the invention and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus repeated descriptions thereof will be omitted. Some of the block diagrams shown in the drawings are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in software, or in one or more hardware modules or integrated circuits, or in different network and / or pr...

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Abstract

The invention relates to the technical field of voice processing, and provides a language recognition model training method, a language recognition method and related equipment. The language recognition model training method comprises the steps: acquiring sample data including an initial voice and a target language of the initial voice; preprocessing the initial voice to obtain a spectrogram; training a language recognition model, including: extracting spatial features of a spectrogram through a convolutional neural network; extracting time sequence features of the spatial features through a recurrent neural network; performing full-connection operation on the spatial features based on the time sequence features, and predicting a language probability through a classifier; and adjusting parameters of the language identification model according to the language probability and the target language until the language identification model converges. According to the method, the language of the voice can be efficiently and accurately classified, and data support is provided for subsequent voice recognition.

Description

technical field [0001] The invention relates to the technical field of speech processing, in particular to a training method for a language recognition model, a language recognition method and related equipment. Background technique [0002] With the development of artificial intelligence technology, speech recognition has landed in many industrial scenarios. [0003] However, some industrial scenarios have multiple languages, while the current speech recognition model only supports a single language. Therefore, in the case of multilingual data sources, before transcribing the speech, it is necessary to identify the language of the speech, and then select a speech recognition model corresponding to the language for speech recognition. [0004] The current language discrimination work is often done by manually listening to the pitch and timbre of the voice, which is inefficient and poor in accuracy. [0005] It should be noted that the information disclosed in the backgroun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L15/00G10L15/04G10L15/06G10L15/08G10L25/18G10L25/27G10L25/30G10L25/45G10L25/60G10L25/90
CPCG10L15/005G10L15/04G10L15/063G10L15/08G10L25/18G10L25/27G10L25/30G10L25/45G10L25/60G10L25/90
Inventor 邓艳江罗超胡泓李巍
Owner CTRIP COMP TECH SHANGHAI
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