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Subtitle synchronization device and subtitle synchronization method based on speech recognition

A voice recognition and synchronization device technology, applied in the field of subtitle devices, can solve the problems of limited subtitle language support and inability to satisfy different groups of people at the same time

Active Publication Date: 2014-09-10
SAMSUNG ELECTRONICS CHINA R&D CENT +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, the number of supported subtitle languages ​​in the digital TV signal stream is limited, which cannot meet the needs of different groups of people at the same time

Method used

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  • Subtitle synchronization device and subtitle synchronization method based on speech recognition
  • Subtitle synchronization device and subtitle synchronization method based on speech recognition
  • Subtitle synchronization device and subtitle synchronization method based on speech recognition

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Embodiment Construction

[0021] The following description with reference to the accompanying drawings is provided to assist in a comprehensive understanding of exemplary embodiments of the invention as defined by the claims and their equivalents. The description includes various specific details to facilitate understanding and these descriptions are to be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

[0022] The terms and words used in the following description and claims are not limited to the bibliographical meanings, but, are merely used by the inventor to enable a clear and consistent understanding of the invention. Accordingly, it should be apparent to those skilled in the art that description of exemplary embodiments o...

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Abstract

Provided are a subtitle synchronization device and a subtitle synchronization method based on speech recognition. The subtitle synchronization device comprises a speech recognition module, a dynamic sampling adjustment module, a subtitle semantic comparison module, a subtitle synchronization module and a subtitle display module. The speech recognition module is used for extracting speech in foreground voice from an audio stream, and sampling and recognizing the extracted speech to generate corresponding text information; the dynamic sampling adjustment module is used for evaluating the degree of semantic recognition of the generated text information, and controlling the speech recognition module to adjust the sampling frequency according to an evaluation result to obtain text information with high degree of semantic recognition; the subtitle semantic comparison module is used for carrying out semantic matching on the text information with high degree of semantic recognition and texts of additional subtitles in multiple languages of a broadcasted video; the subtitle synchronization module is used for adjusting time information of a subtitle file according to time information of the speech if the subtitle semantic comparison module finds out a sentence corresponding to the text information of the recognized speech in the subtitle file; and the subtitle display module is used for displaying subtitles according to the time information of the adjusted subtitle file.

Description

technical field [0001] The invention relates to the technical fields of voice recognition and subtitle synchronization. More specifically, it relates to a device and method for automatically synchronizing subtitles corresponding to videos by using speech recognition when playing TV programs. Background technique [0002] At present, the number of supported subtitle languages ​​in the digital TV signal stream is limited, which cannot meet the needs of different groups of people at the same time. Especially in places like hotels and hotels, there will be many people from different language countries staying, and these people have their special needs when watching digital TV subtitles. Therefore, there is a demand for displaying additional multi-language subtitles when playing digital TV videos. At the same time, because TV programs may contain information such as advertisements and emergency notifications, the additional multi-national subtitle display requires a jump functi...

Claims

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Application Information

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IPC IPC(8): H04N21/431H04N21/435H04N21/472G10L15/01
Inventor 徐明范炜谭皓
Owner SAMSUNG ELECTRONICS CHINA R&D CENT
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