Video multi-speed playing method and system based on voice

A double-speed playback and voice technology, which is applied in the voice-based video double-speed playback method and system field, can solve the problems that the player has no automatic double-speed support, cannot achieve automatic double-speed or intelligent double-speed playback, and achieves good user experience.

Active Publication Date: 2019-08-27
HUNAN HAPPLY SUNSHINE INTERACTIVE ENTERTAINMENT MEDIA CO LTD
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AI Technical Summary

Problems solved by technology

[0003] At present, the existing video playback terminals on the market provide fixed speed support, but all players do not have automatic speed support, so users need to switch the playback speed according to the voice playback speed in the video, that is, manual judgment and selection of the appropriate speed are required. playback, but cannot achieve automatic speed or smart speed playback

Method used

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  • Video multi-speed playing method and system based on voice

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Embodiment Construction

[0027] Such as figure 1 Shown, in the voice-based video double-speed playback method of the present invention, when video file preprocessing, comprise the following steps:

[0028] Step A, read the voice information in the video file;

[0029] Step B, analyzing the voice information, decomposing the video file into corresponding multi-segment sub-videos according to the speed of the voice information, and obtaining the multi-speed rate of each sub-video segment based on the corresponding voice information; thus obtaining the multi-speed suitable for each sub-video playback rate.

[0030] There are many ways to determine the double speed rate of each sub-video segment based on the voice information. In one method, the speed of speaking is calculated according to the recognition result of the voice information, and compared with the fastest that most people (such as more than 90% of the population) can understand Speech speed, calculate the double speed rate of each sub-video ...

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Abstract

The invention discloses a video multi-speed playing method and system based on voice. When a video file is preprocessed, the method comprises the steps that A, voice information in the video file is read; B, analyzing the voice information, decomposing the video file into a plurality of sub-videos according to the speed of the voice information, and obtaining the speed multiplication rate of eachsub-video segment based on the corresponding voice information; C, forming a speed multiplication description file by utilizing the speed multiplication rate corresponding to each sub video segment; when the video file is played, the method comprises the following steps: step D, loading and analyzing a speed multiplication description file; and step E, when the video file is played to a certain sub-video segment, playing the video file according to the speed rate corresponding to the sub-video segment in the speed description file. According to the method, the speed multiplication rate can beautomatically calculated through the voice in the video, so that a user can watch the complete video at the most appropriate speed multiplication rate which is intelligently changed, the speed multiplication rate can be automatically and intelligently adjusted in the video speed multiplication playing process, manual adjustment of the user is not needed, and the user experience is good.

Description

technical field [0001] The invention belongs to the technical field of double-speed video playback, and in particular relates to a voice-based double-speed video playback method and system. Background technique [0002] When watching a video, especially when watching an online video, if a video needs to be finished as soon as possible, the user usually chooses to play it at double speed. [0003] At present, the existing video playback terminals on the market provide fixed speed support, but all players do not have automatic speed support, so users need to switch the playback speed according to the voice playback speed in the video, that is, manual judgment and selection of the appropriate speed are required. playback, but cannot achieve automatic double speed or smart double speed playback. Contents of the invention [0004] The object of the present invention is to address the deficiencies in the prior art above, to provide a voice-based video multi-speed playback metho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/439H04N21/44H04N21/462H04N21/845
CPCH04N21/4394H04N21/44H04N21/462H04N21/8456
Inventor 唐文滔李兴平曹问刘维
Owner HUNAN HAPPLY SUNSHINE INTERACTIVE ENTERTAINMENT MEDIA CO LTD
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