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Speech synthesis method and device, equipment and storage medium

A speech synthesis and speech technology, applied in speech synthesis, speech analysis, instruments, etc., can solve problems such as poor synthesis effect, and achieve the effect of improving speech synthesis effect

Pending Publication Date: 2022-01-07
PING AN TECH (SHENZHEN) CO LTD
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AI Technical Summary

Problems solved by technology

[0004] However, the existing speech synthesis technology simply converts the words of the text into standard machine speech, which is quite different from the natural language spoken by real people, and the synthesis effect is poor

Method used

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  • Speech synthesis method and device, equipment and storage medium
  • Speech synthesis method and device, equipment and storage medium
  • Speech synthesis method and device, equipment and storage medium

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Embodiment Construction

[0045] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0046] The embodiments of the present application may acquire and process relevant data based on artificial intelligence technology. Among them, artificial intelligence (AI) is the theory, method, technology and application system that uses digital computers or machines controlled by digital computers to simulate, extend and expand human intelligence, perceive the environment, acquire knowledge and use knowledge to obtain the best results. .

[0047] Artificial intelligence basic technologies generally include technologies such as sensors, dedicated artificial intelligenc...

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Abstract

The invention relates to the technical field of speech synthesis of artificial intelligence, and provides a speech synthesis method and device, equipment and a storage medium. The method comprises the steps: recognizing a phoneme sequence contained in a text, and extracting context information from the phoneme sequence; carrying out length matching on the phoneme sequence and a preset Mel spectrum according to the context information, and judging whether the phoneme sequence needs to be expanded or not according to a matching result; if yes, preprocessing the text, determining alignment information corresponding to the text, and expanding the phoneme sequence based on the alignment information until the length of the phoneme sequence is consistent with the length of the preset Mel spectrum to obtain a target phoneme sequence; and synthesizing speech corresponding to the text according to the target phoneme sequence. According to the invention, the length of the phoneme sequence is expanded according to the context information of the phoneme sequence in the recognized text, so that the synthesized speech has a sense of reality of suppression and jerking, and the speech synthesis effect is improved.

Description

technical field [0001] The present application relates to the technical field of artificial intelligence speech synthesis, in particular, the present application relates to a speech synthesis method, device, equipment and storage medium. Background technique [0002] Speech is one of the most important tools for human communication, and speech signal processing has been an important research field for decades. Human speech not only contains text symbol information, but also contains changes in people's feelings and emotions. In modern speech signal processing, analyzing and processing the emotional features in speech signals, judging and simulating the speaker's emotions, etc. is a significant research topic. [0003] Among them, speech synthesis, as an important branch of natural language processing technology, has also entered a new stage of development with the gradual maturity of technology. Speech synthesis is widely used in scenarios such as robots and voice assistan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G10L13/08G10L13/02
CPCG10L13/08G10L13/02
Inventor 倪子凡王健宗
Owner PING AN TECH (SHENZHEN) CO LTD
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