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Video recording method and display device for audio and video synchronization

A technology for display equipment and video recording, which is used in image communication, selective content distribution, electrical components, etc., and can solve problems such as asynchrony of audio and video

Active Publication Date: 2022-02-25
HISENSE VISUAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] This application provides a video recording method and a display device with audio and video synchronization, to solve the problem that the existing display devices are prone to audio and video out of sync during video recording

Method used

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  • Video recording method and display device for audio and video synchronization
  • Video recording method and display device for audio and video synchronization
  • Video recording method and display device for audio and video synchronization

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Embodiment Construction

[0074] In order to make the purpose, implementation and advantages of the application clearer, the following will clearly and completely describe the exemplary embodiments of the application in conjunction with the accompanying drawings in the exemplary embodiments of the application. Obviously, the described exemplary embodiments It is only a part of the embodiments of the present application, but not all the embodiments.

[0075] Based on the exemplary embodiments described in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the appended claims of this application. In addition, although the disclosures in this application are introduced as exemplary one or several examples, it should be understood that each aspect of these disclosures can also independently constitute a complete implementation.

[0076] It should be noted that the brief description of the terms in this...

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Abstract

This application discloses a video recording method and a display device with synchronous audio and video. The camera captures the action picture of the user following the demonstration action displayed on the display to present the corresponding action; the controller responds to the video recording start command and obtains the preset reaction time of human limbs. , preset image transmission time, image algorithm processing time and the optimal delay time of the camera recording the first frame of motion picture, and calculate the total length of video recording video delay; modify the time of each frame of motion picture according to the total length of video delay Play the timestamp value to get a new playback timestamp value; synthesize a video file with audio and video synchronization according to the background audio and the action picture corresponding to each new playback timestamp value. It can be seen that the method and display device provided by the present invention compensate the time difference between recording audio and video by modifying the playback time stamp value of each frame of the action picture, and synthesize the background audio and the action picture corresponding to the new playback time stamp value to obtain the audio Draw synchronized video files.

Description

technical field [0001] The present application relates to the technical field of smart TVs, in particular to a video recording method and a display device for synchronizing audio and video. Background technique [0002] With the continuous development of communication technology, terminal devices such as computers, smart phones, and display devices have become more and more popular. Display devices, such as smart TVs, have gradually entered people's lives and brought entertainment experience to people. In order to provide a rich functional experience, application programs that can implement various functions are installed in the display device. [0003] Currently, a display device may provide a video recording function. Specifically, a camera is configured in the display device, and images are collected by the camera, and a demonstration video is played on the display, and the demonstration video includes demonstration actions and background audio. During video recording, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/43H04N21/433H04N21/442H04N21/845H04N21/8547
CPCH04N21/44218H04N21/8547H04N21/4307H04N21/8456H04N21/4334
Inventor 王之奎于文钦李斌
Owner HISENSE VISUAL TECH CO LTD
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